0.0.27

feat: enhance caching strategies for Google Fonts
- Added caching configurations for Google Fonts stylesheets and webfonts. - Implemented 'StaleWhileRevalidate' for stylesheets and 'CacheFirst' for font files to optimize loading and improve performance.
2025-10-29 14:49:15 +08:00 · 2025-10-29 14:49:06 +08:00 · 2025-10-29 14:45:03 +08:00 · 2025-10-29 14:43:59 +08:00 · 2025-10-29 14:44:30 +08:00 · 2025-10-29 10:05:58 +08:00
21 changed files with 3832 additions and 130 deletions
--- a/.gitea/workflows/build.yaml
+++ b/.gitea/workflows/build.yaml
@@ -43,8 +43,8 @@ jobs:
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=registry,ref=${{ secrets.REGISTRY_ENDPOINT }}/${{ github.repository_owner }}/litek:buildcache
-          cache-to: type=registry,ref=${{ secrets.REGISTRY_ENDPOINT }}/${{ github.repository_owner }}/litek:buildcache,mode=max
+          # cache-from: type=registry,ref=${{ secrets.REGISTRY_ENDPOINT }}/${{ github.repository_owner }}/litek:buildcache
+          # cache-to: type=registry,ref=${{ secrets.REGISTRY_ENDPOINT }}/${{ github.repository_owner }}/litek:buildcache,mode=max
          # platforms: linux/amd64,linux/arm64
          platforms: linux/amd64
      
--- a/index.html
+++ b/index.html
@@ -2,12 +2,71 @@
 <html lang="en">
  <head>
    <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/lite.svg" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Lite Kit</title>
+    
+    <!-- Primary Meta Tags -->
+    <title>Lite Kit - Lightweight Online Tools</title>
+    <meta name="description" content="Free online tools including UUID generator, JSON formatter, Base64 encoder/decoder, network testing tools and more. Fast, secure, and easy to use." />
+    <meta name="keywords" content="online tools,UUID generator,JSON formatter,Base64 encoder,network tools,DNS lookup,Ping test,TCPing,speed test,IP query" />
+    <meta name="author" content="Lite Kit" />
+    <meta name="theme-color" content="#000000" />
+    
+    <!-- Favicon -->
+    <link rel="icon" type="image/svg+xml" href="/lite.svg" />
+    
+    <!-- DNS Prefetch & Preconnect for external APIs -->
+    <link rel="dns-prefetch" href="https://ipinfo.io">
+    <link rel="preconnect" href="https://ipinfo.io" crossorigin>
+    
+    <!-- Google Fonts -->
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;500&family=Noto+Sans+SC:wght@400;500&display=swap" rel="stylesheet">
+    
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website" />
+    <meta property="og:url" content="https://litek.typist.cc/" />
+    <meta property="og:title" content="Lite Kit - Lightweight Online Tools" />
+    <meta property="og:description" content="Free online tools including UUID generator, JSON formatter, Base64 encoder/decoder, network testing tools and more." />
+    <meta property="og:image" content="https://litek.typist.cc/lite.svg" />
+    <meta property="og:site_name" content="Lite Kit" />
+    
+    <!-- Twitter Card -->
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:title" content="Lite Kit - Lightweight Online Tools" />
+    <meta name="twitter:description" content="Free online tools including UUID generator, JSON formatter, Base64 encoder/decoder, network testing tools and more." />
+    <meta name="twitter:image" content="https://litek.typist.cc/lite.svg" />
+    
+    <!-- PWA Manifest -->
+    <link rel="manifest" href="/manifest.json" />
+    
+    <!-- Structured Data (JSON-LD) -->
+    <script type="application/ld+json">
+    {
+      "@context": "https://schema.org",
+      "@type": "WebSite",
+      "name": "Lite Kit",
+      "description": "Free online tools including UUID generator, JSON formatter, Base64 encoder/decoder, network testing tools and more",
+      "url": "https://litek.typist.cc/",
+      "author": {
+        "@type": "Organization",
+        "name": "Lite Kit"
+      },
+      "applicationCategory": "UtilitiesApplication",
+      "offers": {
+        "@type": "Offer",
+        "price": "0",
+        "priceCurrency": "USD"
+      }
+    }
+    </script>
  </head>
  <body>
    <div id="root"></div>
    <script type="module" src="/src/main.tsx"></script>
+
+    <!-- Cloudflare Web Analytics -->
+    <script defer src='https://static.cloudflareinsights.com/beacon.min.js' data-cf-beacon='{"token": "2aecdc025eb043bc89ce931b54a80054"}'></script>
+    <!-- End Cloudflare Web Analytics -->
  </body>
 </html>
--- a/package.json
+++ b/package.json
@@ -1,11 +1,12 @@
 {
  "name": "litek",
  "private": true,
-  "version": "0.0.11",
+  "version": "0.0.27",
  "type": "module",
  "scripts": {
    "dev": "vite",
    "build": "tsc -b && vite build",
+    "generate:sitemap": "tsx scripts/generate-sitemap.ts",
    "lint": "eslint .",
    "preview": "vite preview",
    "release:patch": "npm version patch && git push --follow-tags",
@@ -43,17 +44,22 @@
    "eslint-plugin-react-hooks": "^5.2.0",
    "eslint-plugin-react-refresh": "^0.4.22",
    "globals": "^16.4.0",
+    "terser": "^5.44.0",
+    "tsx": "^4.19.2",
    "tw-animate-css": "^1.4.0",
    "typescript": "~5.9.3",
    "typescript-eslint": "^8.45.0",
-    "vite": "npm:rolldown-vite@7.1.14"
+    "vite": "npm:rolldown-vite@7.1.14",
+    "vite-plugin-pwa": "^1.1.0",
+    "workbox-window": "^7.3.0"
  },
  "pnpm": {
    "overrides": {
      "vite": "npm:rolldown-vite@7.1.14"
    },
    "onlyBuiltDependencies": [
-      "@swc/core"
+      "@swc/core",
+      "esbuild"
    ]
  }
 }
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
--- a/public/lite.svg
+++ b/public/lite.svg
@@ -1,7 +1,19 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-
+<!-- Uploaded to: SVG Repo, www.svgrepo.com, Transformed by: SVG Repo Mixer Tools -->
 <svg width="800px" height="800px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
-<svg width="800px" height="800px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
-
-<g id="SVGRepo_bgCarrier" stroke-width="0"/>
-
+<style>
+  /* 默认浅色模式使用黑色 */
+  path {
+    fill: #000000;
+  }
+  /* 暗色模式使用白色 */
+  @media (prefers-color-scheme: dark) {
+    path {
+      fill: #ffffff;
+    }
+  }
+</style>
+<g id="SVGRepo_bgCarrier" stroke-width="0"/>
+<g id="SVGRepo_tracerCarrier" stroke-linecap="round" stroke-linejoin="round"/>
+<g id="SVGRepo_iconCarrier"> <path d="M12.6089 6.12601C12.6785 5.85878 12.5183 5.58573 12.251 5.51614C11.9838 5.44655 11.7108 5.60676 11.6412 5.87399L10.0842 11.8528L7.85646 12.5211C7.59196 12.6005 7.44187 12.8792 7.52122 13.1437C7.60057 13.4082 7.87931 13.5583 8.14381 13.479L9.78926 12.9853L8.51617 17.874C8.47715 18.0238 8.50974 18.1833 8.60443 18.3058C8.69911 18.4283 8.8452 18.5 9.00003 18.5H16C16.2762 18.5 16.5 18.2761 16.5 18C16.5 17.7239 16.2762 17.5 16 17.5H9.64691L10.9102 12.6491L13.1438 11.979C13.4083 11.8996 13.5584 11.6209 13.479 11.3564C13.3997 11.0919 13.121 10.9418 12.8565 11.0211L11.2051 11.5165L12.6089 6.12601Z"/> </g>
+</svg>
--- a/public/manifest.json
+++ b/public/manifest.json
@@ -0,0 +1,21 @@
+{
+  "name": "Lite Kit - Lightweight Online Tools",
+  "short_name": "Lite Kit",
+  "description": "Free online tools including UUID generator, JSON formatter, Base64 encoder/decoder, network testing tools and more",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#000000",
+  "theme_color": "#000000",
+  "orientation": "portrait-primary",
+  "icons": [
+    {
+      "src": "/lite.svg",
+      "type": "image/svg+xml",
+      "sizes": "any"
+    }
+  ],
+  "categories": ["utilities", "productivity"],
+  "lang": "en",
+  "dir": "ltr"
+}
+
--- a/public/robots.txt
+++ b/public/robots.txt
@@ -0,0 +1,21 @@
+# Allow all crawlers
+User-agent: *
+Allow: /
+
+# Sitemaps
+Sitemap: https://litek.typist.cc/sitemap.xml
+
+# Common bots
+User-agent: Googlebot
+Allow: /
+
+User-agent: Bingbot
+Allow: /
+
+User-agent: Baiduspider
+Allow: /
+
+# Crawl-delay for less aggressive bots
+User-agent: *
+Crawl-delay: 1
+
--- a/public/sitemap.xml
+++ b/public/sitemap.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>https://litek.typist.cc</loc>
+    <lastmod>2025-10-29</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>1.0</priority>
+  </url>
+  <url>
+    <loc>https://litek.typist.cc/tool</loc>
+    <lastmod>2025-10-29</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>0.9</priority>
+  </url>
+  <url>
+    <loc>https://litek.typist.cc/tool/uuid</loc>
+    <lastmod>2025-10-29</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.9</priority>
+  </url>
+  <url>
+    <loc>https://litek.typist.cc/tool/json</loc>
+    <lastmod>2025-10-29</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.9</priority>
+  </url>
+  <url>
+    <loc>https://litek.typist.cc/tool/base64</loc>
+    <lastmod>2025-10-29</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.9</priority>
+  </url>
+  <url>
+    <loc>https://litek.typist.cc/tool/network/dns</loc>
+    <lastmod>2025-10-29</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://litek.typist.cc/tool/network/ping</loc>
+    <lastmod>2025-10-29</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://litek.typist.cc/tool/network/tcping</loc>
+    <lastmod>2025-10-29</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://litek.typist.cc/tool/network/speedtest</loc>
+    <lastmod>2025-10-29</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://litek.typist.cc/tool/network/ipquery</loc>
+    <lastmod>2025-10-29</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+</urlset>
--- a/scripts/generate-sitemap.ts
+++ b/scripts/generate-sitemap.ts
@@ -0,0 +1,83 @@
+import * as fs from 'fs';
+import * as path from 'path';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+interface SitemapUrl {
+  loc: string;
+  lastmod: string;
+  changefreq: string;
+  priority: string;
+}
+
+const BASE_URL = 'https://litek.typist.cc';
+const currentDate = new Date().toISOString().split('T')[0];
+
+const tools = [
+  { path: '/tool/uuid', priority: '0.9' },
+  { path: '/tool/json', priority: '0.9' },
+  { path: '/tool/base64', priority: '0.9' },
+  { path: '/tool/network/dns', priority: '0.8' },
+  { path: '/tool/network/ping', priority: '0.8' },
+  { path: '/tool/network/tcping', priority: '0.8' },
+  { path: '/tool/network/speedtest', priority: '0.8' },
+  { path: '/tool/network/ipquery', priority: '0.8' },
+];
+
+const urls: SitemapUrl[] = [
+  {
+    loc: BASE_URL,
+    lastmod: currentDate,
+    changefreq: 'weekly',
+    priority: '1.0',
+  },
+  {
+    loc: `${BASE_URL}/tool`,
+    lastmod: currentDate,
+    changefreq: 'weekly',
+    priority: '0.9',
+  },
+];
+
+// Add all tool pages
+tools.forEach((tool) => {
+  urls.push({
+    loc: `${BASE_URL}${tool.path}`,
+    lastmod: currentDate,
+    changefreq: 'monthly',
+    priority: tool.priority,
+  });
+});
+
+function generateSitemap(): string {
+  let xml = '<?xml version="1.0" encoding="UTF-8"?>\n';
+  xml += '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">\n';
+
+  urls.forEach((url) => {
+    xml += '  <url>\n';
+    xml += `    <loc>${url.loc}</loc>\n`;
+    xml += `    <lastmod>${url.lastmod}</lastmod>\n`;
+    xml += `    <changefreq>${url.changefreq}</changefreq>\n`;
+    xml += `    <priority>${url.priority}</priority>\n`;
+    xml += '  </url>\n';
+  });
+
+  xml += '</urlset>\n';
+  return xml;
+}
+
+// Generate and write sitemap
+const sitemap = generateSitemap();
+const publicDir = path.resolve(__dirname, '../public');
+const sitemapPath = path.join(publicDir, 'sitemap.xml');
+
+// Ensure public directory exists
+if (!fs.existsSync(publicDir)) {
+  fs.mkdirSync(publicDir, { recursive: true });
+}
+
+fs.writeFileSync(sitemapPath, sitemap, 'utf-8');
+console.log(`✅ Sitemap generated successfully at ${sitemapPath}`);
+
--- a/src/components/sidebar/index.tsx
+++ b/src/components/sidebar/index.tsx
@@ -1,11 +1,11 @@
 import type { ReactNode } from "react";
+import { Link } from "react-router-dom";
+import { ChevronRight } from "lucide-react";
+
 import { Sidebar, SidebarContent, SidebarFooter, SidebarGroup, SidebarGroupContent, SidebarGroupLabel, SidebarHeader, SidebarMenuButton, SidebarMenuItem, SidebarMenu, SidebarMenuSub, SidebarMenuSubItem, SidebarMenuSubButton } from "@/components/ui/sidebar";
 import { Collapsible, CollapsibleTrigger, CollapsibleContent } from "@/components/ui/collapsible";
 import { tools, type Tool } from "@/components/tool";
-import { Link } from "react-router-dom";
-import { ModeToggle } from "@/components/theme/toggle";
-import { Button } from "../ui/button";
-import { ChevronRight } from "lucide-react";
+

 export const AppSidebar = () => {
  // 递归构建完整路径
@@ -13,6 +13,46 @@ export const AppSidebar = () => {
    return `/tool/${pathSegments.join("/")}`;
  };

+  // 递归渲染子菜单内容
+  const renderSubMenuContent = (child: Tool, currentPaths: string[]): ReactNode => {
+    if (child.children) {
+      // 子菜单内的可折叠项
+      return (
+        <Collapsible defaultOpen={false} className="group/collapsible">
+          <CollapsibleTrigger asChild>
+            <SidebarMenuSubButton>
+              {child.icon}
+              <span>{child.name}</span>
+              <ChevronRight className="ml-auto transition-transform duration-200 group-data-[state=open]/collapsible:rotate-90" />
+            </SidebarMenuSubButton>
+          </CollapsibleTrigger>
+          <CollapsibleContent>
+            <SidebarMenuSub>
+              {child.children.map((subChild) => (
+                <SidebarMenuSubItem key={subChild.name}>
+                  {renderSubMenuContent(subChild, [...currentPaths, child.path])}
+                </SidebarMenuSubItem>
+              ))}
+            </SidebarMenuSub>
+          </CollapsibleContent>
+        </Collapsible>
+      );
+    }
+
+    // 叶子节点
+    return (
+      <SidebarMenuSubButton asChild>
+        <Link
+          to={buildFullPath([...currentPaths, child.path])}
+          title={child.description}
+        >
+          {child.icon}
+          <span>{child.name}</span>
+        </Link>
+      </SidebarMenuSubButton>
+    );
+  };
+
  // 递归渲染菜单项
  const renderMenuItem = (tool: Tool, parentPaths: string[] = []): ReactNode => {
    const currentPaths = [...parentPaths, tool.path];
@@ -20,12 +60,11 @@ export const AppSidebar = () => {
    if (tool.children) {
      // 有子菜单的项目
      return (
-        <Collapsible
-          key={tool.name}
-          defaultOpen={false}
-          className="group/collapsible"
-        >
-          <SidebarMenuItem>
+        <SidebarMenuItem key={tool.name}>
+          <Collapsible
+            defaultOpen={false}
+            className="group/collapsible"
+          >
            <CollapsibleTrigger asChild>
              <SidebarMenuButton tooltip={tool.description}>
                {tool.icon}
@@ -37,25 +76,13 @@ export const AppSidebar = () => {
              <SidebarMenuSub>
                {tool.children.map((child) => (
                  <SidebarMenuSubItem key={child.name}>
-                    {child.children ? (
-                      renderMenuItem(child, currentPaths)
-                    ) : (
-                      <SidebarMenuSubButton asChild>
-                        <Link
-                          to={buildFullPath([...currentPaths, child.path])}
-                          title={child.description}
-                        >
-                          {child.icon}
-                          <span>{child.name}</span>
-                        </Link>
-                      </SidebarMenuSubButton>
-                    )}
+                    {renderSubMenuContent(child, currentPaths)}
                  </SidebarMenuSubItem>
                ))}
              </SidebarMenuSub>
            </CollapsibleContent>
-          </SidebarMenuItem>
-        </Collapsible>
+          </Collapsible>
+        </SidebarMenuItem>
      );
    }

@@ -88,10 +115,9 @@ export const AppSidebar = () => {
        </SidebarGroup>
      </SidebarContent>
      <SidebarFooter className="flex flex-row justify-between items-center gap-2">
-        <Button variant="link">
+        <SidebarMenuButton variant="outline" asChild>
          <a href="mailto:litek@mail.typist.cc">need more tools?</a>
-        </Button>
-        <ModeToggle />
+        </SidebarMenuButton>
      </SidebarFooter>
    </Sidebar>
  );
--- a/src/components/tool/index.tsx
+++ b/src/components/tool/index.tsx
@@ -1,17 +1,22 @@
-import type { ReactNode } from 'react';
+import { lazy, type ReactNode, type ComponentType } from 'react';
 import { FileJson, Hash, Binary, Network, Globe, Activity, Gauge, Wifi, MapPin } from 'lucide-react'

-import UUID from './uuid'
-import JSON from './json'
-import Base64 from './base64'
-import { DNS, Ping, TCPing, SpeedTest, IPQuery } from './network'
+// 懒加载工具组件
+const UUID = lazy(() => import('./uuid'))
+const JSON = lazy(() => import('./json'))
+const Base64 = lazy(() => import('./base64'))
+const DNS = lazy(() => import('./network/dns'))
+const Ping = lazy(() => import('./network/ping'))
+const TCPing = lazy(() => import('./network/tcping'))
+const SpeedTest = lazy(() => import('./network/speedtest'))
+const IPQuery = lazy(() => import('./network/ipquery'))

 export interface Tool {
  path: string;
  name: string;
  icon: ReactNode;
  description: string;
-  component?: ReactNode;
+  component?: ComponentType;
  children?: Tool[];
 }

@@ -21,21 +26,21 @@ export const tools: Tool[] = [
    name: "UUID Generator",
    description: "Generate a UUID",
    icon: <Hash />,
-    component: <UUID />,
+    component: UUID,
  },
  {
    path: "json",
    name: "JSON Formatter",
    description: "Format and validate JSON",
    icon: <FileJson />,
-    component: <JSON />,
+    component: JSON,
  },
  {
    path: "base64",
    name: "Base64 Encoder/Decoder",
    description: "Encode and decode Base64",
    icon: <Binary />,
-    component: <Base64 />,
+    component: Base64,
  },
  {
    path: "network",
@@ -48,35 +53,35 @@ export const tools: Tool[] = [
        name: "DNS Lookup",
        description: "DNS query tool",
        icon: <Globe />,
-        component: <DNS />,
+        component: DNS,
      },
      {
        path: "ping",
        name: "Ping",
        description: "Ping test tool",
        icon: <Activity />,
-        component: <Ping />,
+        component: Ping,
      },
      {
        path: "tcping",
        name: "TCPing",
        description: "TCP port connectivity test",
        icon: <Wifi />,
-        component: <TCPing />,
+        component: TCPing,
      },
      {
        path: "speedtest",
        name: "Speed Test",
        description: "Website speed test",
        icon: <Gauge />,
-        component: <SpeedTest />,
+        component: SpeedTest,
      },
      {
        path: "ipquery",
        name: "IP Query",
        description: "Query IP location, quality and risk info",
        icon: <MapPin />,
-        component: <IPQuery />,
+        component: IPQuery,
      },
    ],
  },
--- a/src/components/tool/network/index.tsx
+++ b/src/components/tool/network/index.tsx
@@ -1,6 +0,0 @@
-export { default as DNS } from './dns';
-export { default as Ping } from './ping';
-export { default as TCPing } from './tcping';
-export { default as SpeedTest } from './speedtest';
-export { default as IPQuery } from './ipquery';
-
--- a/src/components/tool/network/ipquery.tsx
+++ b/src/components/tool/network/ipquery.tsx
@@ -91,8 +91,8 @@ const Tool: FC = () => {
    const startTime = performance.now();

    try {
-      // 使用 ip-api.com (免费，功能较全)
-      const response = await fetch(`http://ip-api.com/json/${encodeURIComponent(ip.trim())}?fields=status,message,country,countryCode,region,city,lat,lon,timezone,isp,org,as,proxy,hosting,query`);
+      // 使用 ipinfo.io (免费，稳定可靠)
+      const response = await fetch(`https://ipinfo.io/${encodeURIComponent(ip.trim())}/json`);
      
      if (!response.ok) {
        throw new Error(`HTTP error! status: ${response.status}`);
@@ -103,28 +103,8 @@ const Tool: FC = () => {
      
      setQueryTime(endTime - startTime);

-      if (data.status === "fail") {
-        toast.error(data.message || "Query failed");
-        return;
-      }
-
-      // 转换为统一格式
-      const ipData: IPInfo = {
-        ip: data.query,
-        city: data.city,
-        region: data.region,
-        country: data.country,
-        countryCode: data.countryCode,
-        loc: data.lat && data.lon ? `${data.lat},${data.lon}` : undefined,
-        timezone: data.timezone,
-        isp: data.isp,
-        org: data.org,
-        as: data.as,
-        proxy: data.proxy,
-        hosting: data.hosting,
-      };
-
-      setIpInfo(ipData);
+      // ipinfo.io 返回格式已经符合 IPInfo 接口
+      setIpInfo(data);
      toast.success("Query successful");
    } catch (error) {
      if (error instanceof Error) {
@@ -146,14 +126,18 @@ const Tool: FC = () => {
  const getRiskLevel = () => {
    if (!ipInfo) return null;
    
-    if (ipInfo.proxy || ipInfo.hosting) {
+    // ipinfo.io 通过 org 字段可以简单判断是否为托管IP
+    const orgLower = ipInfo.org?.toLowerCase() || "";
+    const isHosting = orgLower.includes("hosting") || 
+                     orgLower.includes("datacenter") || 
+                     orgLower.includes("cloud") ||
+                     orgLower.includes("server");
+    
+    if (isHosting) {
      return {
-        level: "High",
-        color: "text-red-500",
-        reasons: [
-          ipInfo.proxy && "Proxy/VPN detected",
-          ipInfo.hosting && "Hosting/Datacenter IP",
-        ].filter(Boolean),
+        level: "Medium",
+        color: "text-yellow-500",
+        reasons: ["Possible Hosting/Datacenter IP"],
      };
    }
    
--- a/src/components/tool/uuid.tsx
+++ b/src/components/tool/uuid.tsx
@@ -1,22 +1,94 @@
-import { type FC } from "react";
-
+import { type FC, useState } from "react";
+import { RefreshCw, Copy } from "lucide-react";
 import * as uuid from 'uuid'
 import { nanoid } from 'nanoid'
+import { Button } from "@/components/ui/button";
+import { toast } from "sonner";
+
+interface IDGeneratorProps {
+  label: string;
+  value: string;
+  onRegenerate: () => void;
+}
+
+const IDGenerator: FC<IDGeneratorProps> = ({ label, value, onRegenerate }) => {
+  const copyToClipboard = async () => {
+    try {
+      await navigator.clipboard.writeText(value);
+      toast(`${label} has been copied to clipboard`);
+    } catch (err) {
+      toast.error("Copy failed");
+    }
+  };
+
+  return (
+    <div className="flex flex-col gap-2">
+      <label className="font-medium">{label}</label>
+      <div className="flex items-center gap-2">
+        <span className="flex-1 px-3 py-2 bg-muted rounded-md font-mono text-sm break-all max-w-[400px]">
+          {value}
+        </span>
+        <Button
+          size="icon"
+          variant="outline"
+          onClick={onRegenerate}
+          title="Regenerate"
+        >
+          <RefreshCw className="h-4 w-4" />
+        </Button>
+        <Button
+          size="icon"
+          variant="outline"
+          onClick={copyToClipboard}
+          title="Copy"
+        >
+          <Copy className="h-4 w-4" />
+        </Button>
+      </div>
+    </div>
+  );
+};

 const Tool: FC = () => {
+  const [uuidV1, setUuidV1] = useState(() => uuid.v1());
+  const [uuidV4, setUuidV4] = useState(() => uuid.v4());
+  const [uuidV6, setUuidV6] = useState(() => uuid.v6());
+  const [uuidV7, setUuidV7] = useState(() => uuid.v7());
+  const [nanoId, setNanoId] = useState(() => nanoid());
+
  return (
    <div className="flex flex-col gap-4">
-      <span className="text-sm text-muted-foreground">Refresh the page to generate new UUID</span>
-      <label>UUID Version 1</label>
-      <span>{uuid.v1()}</span>
-      <label>UUID Version 4</label>
-      <span>{uuid.v4()}</span>
-      <label>UUID Version 6</label>
-      <span>{uuid.v6()}</span>
-      <label>UUID Version 7</label>
-      <span>{uuid.v7()}</span>
-      <label>Nano ID</label>
-      <span>{nanoid()}</span>
+      <span className="text-sm text-muted-foreground">Click the refresh button to regenerate the corresponding ID</span>
+      
+      <IDGenerator 
+        label="UUID Version 1" 
+        value={uuidV1} 
+        onRegenerate={() => setUuidV1(uuid.v1())} 
+      />
+      
+      <IDGenerator 
+        label="UUID Version 4" 
+        value={uuidV4} 
+        onRegenerate={() => setUuidV4(uuid.v4())} 
+      />
+      
+      <IDGenerator 
+        label="UUID Version 6" 
+        value={uuidV6} 
+        onRegenerate={() => setUuidV6(uuid.v6())} 
+      />
+      
+      <IDGenerator 
+        label="UUID Version 7" 
+        value={uuidV7} 
+        onRegenerate={() => setUuidV7(uuid.v7())} 
+      />
+      
+      <IDGenerator 
+        label="Nano ID" 
+        value={nanoId} 
+        onRegenerate={() => setNanoId(nanoid())} 
+      />
    </div>
  );
 };
--- a/src/hooks/use-seo.ts
+++ b/src/hooks/use-seo.ts
@@ -0,0 +1,96 @@
+import { useEffect } from 'react';
+import { useLocation } from 'react-router-dom';
+
+interface UseSEOOptions {
+  title?: string;
+  description?: string;
+  baseUrl?: string;
+}
+
+/**
+ * SEO Hook - 动态更新页面 SEO 元数据
+ * 
+ * @param options - SEO 配置选项
+ * @param options.title - 页面标题（可选）
+ * @param options.description - 页面描述（可选）
+ * @param options.baseUrl - 网站基础 URL，默认为 https://litek.typist.cc
+ * 
+ * @example
+ * ```tsx
+ * // 在组件中使用
+ * useSEO({
+ *   title: 'UUID Generator',
+ *   description: 'Free online UUID generator tool'
+ * });
+ * ```
+ */
+export const useSEO = (options: UseSEOOptions = {}) => {
+  const location = useLocation();
+  const { 
+    title, 
+    description, 
+    baseUrl = 'https://litek.typist.cc' 
+  } = options;
+
+  useEffect(() => {
+    // 构建当前页面的完整 URL
+    const canonicalUrl = `${baseUrl}${location.pathname}`;
+    
+    // 更新或创建 canonical 链接
+    let canonical = document.querySelector('link[rel="canonical"]') as HTMLLinkElement;
+    if (!canonical) {
+      canonical = document.createElement('link');
+      canonical.setAttribute('rel', 'canonical');
+      document.head.appendChild(canonical);
+    }
+    canonical.setAttribute('href', canonicalUrl);
+
+    // 更新页面标题
+    if (title) {
+      document.title = `${title} - Lite Kit`;
+    }
+
+    // 更新 meta description
+    if (description) {
+      let metaDescription = document.querySelector('meta[name="description"]') as HTMLMetaElement;
+      if (metaDescription) {
+        metaDescription.setAttribute('content', description);
+      }
+    }
+
+    // 更新 Open Graph URL
+    let ogUrl = document.querySelector('meta[property="og:url"]') as HTMLMetaElement;
+    if (ogUrl) {
+      ogUrl.setAttribute('content', canonicalUrl);
+    }
+
+    // 更新 Open Graph Title
+    if (title) {
+      let ogTitle = document.querySelector('meta[property="og:title"]') as HTMLMetaElement;
+      if (ogTitle) {
+        ogTitle.setAttribute('content', `${title} - Lite Kit`);
+      }
+
+      // 更新 Twitter Card Title
+      let twitterTitle = document.querySelector('meta[name="twitter:title"]') as HTMLMetaElement;
+      if (twitterTitle) {
+        twitterTitle.setAttribute('content', `${title} - Lite Kit`);
+      }
+    }
+
+    // 更新 Open Graph Description
+    if (description) {
+      let ogDescription = document.querySelector('meta[property="og:description"]') as HTMLMetaElement;
+      if (ogDescription) {
+        ogDescription.setAttribute('content', description);
+      }
+
+      // 更新 Twitter Card Description
+      let twitterDescription = document.querySelector('meta[name="twitter:description"]') as HTMLMetaElement;
+      if (twitterDescription) {
+        twitterDescription.setAttribute('content', description);
+      }
+    }
+  }, [location.pathname, title, description, baseUrl]);
+};
+
--- a/src/index.css
+++ b/src/index.css
@@ -116,6 +116,7 @@
  }
  body {
    @apply bg-background text-foreground;
+    font-family: 'Roboto Mono', 'Noto Sans SC', 'SF Mono', Consolas, monospace;
  }
 }

--- a/src/layout.tsx
+++ b/src/layout.tsx
@@ -4,20 +4,28 @@ import { Outlet } from "react-router-dom";
 import { ThemeProvider } from "@/components/theme/provider"
 import { SidebarProvider, SidebarTrigger } from "@/components/ui/sidebar"
 import { AppSidebar } from "@/components/sidebar";
+import { ModeToggle } from "@/components/theme/toggle";

-export const Layout: FC = () => (
-  <ThemeProvider defaultTheme="dark" storageKey="vite-ui-theme">
-    <SidebarProvider>
-      <AppSidebar />
-      <div className="p-4 flex flex-col w-full h-[100vh] overflow-hidden">
-        <nav className="flex items-center justify-between">
-          <SidebarTrigger className="size-10" />
-          <div role="actions" />
-        </nav>
-        <main className="flex-1 overflow-auto p-4 overflow-hidden">
-          <Outlet />
-        </main>
-      </div>
-    </SidebarProvider>
-  </ThemeProvider>
-);
+import { useSEO } from "@/hooks/use-seo";
+
+export const Layout: FC = () => {
+  // 使用 SEO hook 自动更新 canonical URL 和其他 SEO 元数据
+  useSEO();
+
+  return (
+    <ThemeProvider defaultTheme="dark" storageKey="vite-ui-theme">
+      <SidebarProvider>
+        <AppSidebar />
+        <div className="p-4 flex flex-col w-full h-[100vh] overflow-hidden">
+          <nav className="flex items-center justify-between">
+            <SidebarTrigger className="size-10" />
+            <ModeToggle />
+          </nav>
+          <main className="flex-1 overflow-auto p-4 overflow-hidden">
+            <Outlet />
+          </main>
+        </div>
+      </SidebarProvider>
+    </ThemeProvider>
+  );
+};
--- a/src/main.tsx
+++ b/src/main.tsx
@@ -13,3 +13,21 @@ createRoot(document.getElementById('root')!).render(
    <Toaster />
  </StrictMode>
 )
+
+// 注册 Service Worker
+if ('serviceWorker' in navigator && import.meta.env.PROD) {
+  import('workbox-window').then(({ Workbox }) => {
+    const wb = new Workbox('/sw.js')
+    
+    wb.addEventListener('installed', (event) => {
+      if (event.isUpdate) {
+        console.log('New service worker installed, reloading page...')
+        window.location.reload()
+      }
+    })
+
+    wb.register()
+  }).catch((error) => {
+    console.error('Failed to register service worker:', error)
+  })
+}
--- a/src/router.tsx
+++ b/src/router.tsx
@@ -1,3 +1,4 @@
+import { Suspense, createElement } from "react";
 import {
  createBrowserRouter,
  redirect,
@@ -8,6 +9,19 @@ import {
 import { tools, type Tool } from "@/components/tool";
 import { Layout } from "./layout";

+// 加载中的占位组件
+const LoadingFallback = () => (
+  <div className="flex items-center justify-center h-full">
+    <div className="text-center flex flex-col items-center gap-3">
+      <div className="relative">
+        <div className="h-12 w-12 rounded-full border-4 border-muted"></div>
+        <div className="absolute top-0 left-0 h-12 w-12 rounded-full border-4 border-primary border-t-transparent animate-spin"></div>
+      </div>
+      <p className="text-sm text-muted-foreground font-medium">Loading...</p>
+    </div>
+  </div>
+);
+
 const buildToolRoutes = (tools: Tool[]): RouteObject[] => {
  return tools.map((tool) => {
    const route: RouteObject = {
@@ -15,7 +29,12 @@ const buildToolRoutes = (tools: Tool[]): RouteObject[] => {
    };

    if (tool.component) {
-      route.element = tool.component;
+      // 使用 Suspense 包裹懒加载组件
+      route.element = (
+        <Suspense fallback={<LoadingFallback />}>
+          {createElement(tool.component)}
+        </Suspense>
+      );
    }

    if (tool.children && tool.children.length > 0) {
--- a/src/vite-env.d.ts
+++ b/src/vite-env.d.ts
@@ -0,0 +1,3 @@
+/// <reference types="vite/client" />
+/// <reference types="vite-plugin-pwa/client" />
+
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -2,13 +2,132 @@ import path from "path"
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 import tailwindcss from "@tailwindcss/vite"
+import { VitePWA } from 'vite-plugin-pwa'

 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [react(), tailwindcss()],
+  plugins: [
+    react(), 
+    tailwindcss(),
+    VitePWA({
+      registerType: 'autoUpdate',
+      includeAssets: ['lite.svg', 'robots.txt', 'sitemap.xml'],
+      manifest: {
+        name: 'Lite Kit - Lightweight Online Tools',
+        short_name: 'Lite Kit',
+        description: 'Free online tools including UUID generator, JSON formatter, Base64 encoder/decoder, network testing tools and more',
+        theme_color: '#000000',
+        background_color: '#000000',
+        display: 'standalone',
+        icons: [
+          {
+            src: '/lite.svg',
+            type: 'image/svg+xml',
+            sizes: 'any'
+          }
+        ]
+      },
+      workbox: {
+        globPatterns: ['**/*.{js,css,html,svg,png,ico,woff2}'],
+        runtimeCaching: [
+          {
+            urlPattern: /^https:\/\/ipinfo\.io\/.*/i,
+            handler: "NetworkFirst",
+            options: {
+              cacheName: 'ipinfo-cache',
+              expiration: {
+                maxEntries: 10,
+                maxAgeSeconds: 60 * 60 // 延长到 1 小时
+              },
+              cacheableResponse: {
+                statuses: [0, 200]
+              }
+            }
+          },
+          {
+            // Google Fonts 样式表缓存
+            urlPattern: /^https:\/\/fonts\.googleapis\.com\/.*/i,
+            handler: 'StaleWhileRevalidate',
+            options: {
+              cacheName: 'google-fonts-stylesheets',
+              expiration: {
+                maxEntries: 10,
+                maxAgeSeconds: 60 * 60 * 24 * 365 // 1 年
+              },
+              cacheableResponse: {
+                statuses: [0, 200]
+              }
+            }
+          },
+          {
+            // Google Fonts 字体文件缓存
+            urlPattern: /^https:\/\/fonts\.gstatic\.com\/.*/i,
+            handler: 'CacheFirst',
+            options: {
+              cacheName: 'google-fonts-webfonts',
+              expiration: {
+                maxEntries: 30,
+                maxAgeSeconds: 60 * 60 * 24 * 365 // 1 年
+              },
+              cacheableResponse: {
+                statuses: [0, 200]
+              }
+            }
+          }
+        ],
+        cleanupOutdatedCaches: true,
+        clientsClaim: true,
+        skipWaiting: true
+      }
+    })
+  ],
  resolve: {
    alias: {
      "@": path.resolve(__dirname, "./src"),
    },
  },
+  build: {
+    rollupOptions: {
+      output: {
+        manualChunks: (id) => {
+          // React 核心拆分得更细
+          if (id.includes('node_modules/react/') && !id.includes('node_modules/react-dom')) {
+            return 'react-core';
+          }
+          if (id.includes('node_modules/react-dom/')) {
+            return 'react-dom';
+          }
+          if (id.includes('node_modules/react-router-dom')) {
+            return 'react-router';
+          }
+          // Radix UI组件
+          if (id.includes('node_modules/@radix-ui')) {
+            return 'ui-vendor';
+          }
+          // 图标库
+          if (id.includes('node_modules/lucide-react')) {
+            return 'icons';
+          }
+          // 其他工具库
+          if (id.includes('node_modules/')) {
+            return 'vendor';
+          }
+        },
+      },
+    },
+    // 启用更激进的压缩
+    minify: 'terser',
+    terserOptions: {
+      compress: {
+        drop_console: true,
+        drop_debugger: true,
+        pure_funcs: ['console.log'],
+        // 移除未使用的代码
+        unused: true,
+        // 移除死代码
+        dead_code: true,
+      },
+    },
+    chunkSizeWarningLimit: 500,
+  },
 })
Author	SHA1	Message	Date
typist	9c2799f7d5	0.0.27 All checks were successful Build and Push Docker Image / build (push) Successful in 1m14s Details	2025-10-29 14:49:15 +08:00
typist	dd70f9d886	feat: enhance caching strategies for Google Fonts - Added caching configurations for Google Fonts stylesheets and webfonts. - Implemented 'StaleWhileRevalidate' for stylesheets and 'CacheFirst' for font files to optimize loading and improve performance.	2025-10-29 14:49:06 +08:00
typist	35cccf6a8f	0.0.26 All checks were successful Build and Push Docker Image / build (push) Successful in 1m29s Details	2025-10-29 14:45:03 +08:00
typist	c5616600fa	Merge pull request 'feat: add Google Fonts for improved typography' (#11 ) from feat/update-fonts into main Reviewed-on: #11	2025-10-29 14:43:59 +08:00
typist	986708fbb4	feat: add Google Fonts for improved typography - Included preconnect links for Google Fonts to optimize loading. - Added 'Roboto Mono' and 'Noto Sans SC' font families to enhance text presentation in the application.	2025-10-29 14:44:30 +08:00
typist	6a1b68ed2c	0.0.25 All checks were successful Build and Push Docker Image / build (push) Successful in 1m32s Details	2025-10-29 10:05:58 +08:00
typist	32970acf32	chore: support Cloudflare Web Analytics	2025-10-29 10:05:43 +08:00
typist	812bb8c248	0.0.24 All checks were successful Build and Push Docker Image / build (push) Successful in 1m21s Details	2025-10-29 09:35:10 +08:00
typist	09f9e6588f	fix: update caching strategy for ipinfo API in Vite config - Changed caching handler from 'CacheFirst' to 'NetworkFirst' to prioritize network responses. - This adjustment aims to improve data freshness while still utilizing caching effectively.	2025-10-29 09:34:59 +08:00
typist	10a167febd	chore: remove SEO-README.md as part of project restructuring - Deleted the SEO-README.md file which contained outdated SEO optimization details and instructions. - This change is part of a broader effort to streamline project documentation and improve clarity.	2025-10-29 09:27:54 +08:00
typist	91c0686a46	0.0.23 All checks were successful Build and Push Docker Image / build (push) Successful in 1m11s Details	2025-10-29 09:24:17 +08:00
typist	40bfde8e57	feat: implement ID generator component for UUIDs and Nano ID - Added IDGenerator component to handle the display and regeneration of UUIDs and Nano ID. - Integrated clipboard functionality to copy generated IDs with user feedback via toast notifications. - Refactored the Tool component to utilize the new IDGenerator for improved user interaction and code organization.	2025-10-29 09:24:01 +08:00
typist	b4ba7a2219	0.0.22 All checks were successful Build and Push Docker Image / build (push) Successful in 1m52s Details	2025-10-29 09:11:11 +08:00
typist	25e42e3af5	fix: update caching strategy for ipinfo API in Vite config - Changed caching handler from 'NetworkFirst' to 'CacheFirst' for improved performance. - Extended cache expiration time from 5 minutes to 1 hour to enhance data availability.	2025-10-29 09:10:59 +08:00
typist	4398b53ea7	0.0.21 All checks were successful Build and Push Docker Image / build (push) Successful in 1m14s Details	2025-10-29 09:07:27 +08:00
typist	3e14bc652f	feat: add terser for advanced minification and improve React chunking - Added terser as a dependency for enhanced code minification. - Updated Vite configuration to enable aggressive minification using terser with options to drop console logs and unused code. - Refined manual chunking for React libraries to improve code splitting and loading efficiency.	2025-10-29 09:06:56 +08:00
typist	aca7e11835	0.0.20 All checks were successful Build and Push Docker Image / build (push) Successful in 1m10s Details	2025-10-29 08:58:11 +08:00
typist	782de6e38a	feat: integrate PWA support and service worker registration - Added vite-plugin-pwa for Progressive Web App capabilities. - Configured service worker with caching strategies for improved offline support. - Registered service worker in main.tsx to handle updates and caching. - Updated package.json to include new dependencies for PWA functionality.	2025-10-29 08:58:02 +08:00
typist	7646830194	0.0.19 All checks were successful Build and Push Docker Image / build (push) Successful in 1m6s Details	2025-10-29 08:50:18 +08:00
typist	59f998e8e3	feat: enhance tool loading and performance optimization - Added DNS prefetch and preconnect links in index.html for improved API loading times. - Implemented lazy loading for tool components to optimize performance and reduce initial load time. - Wrapped tool components in Suspense with a loading fallback to enhance user experience during loading. - Refactored Vite configuration to create manual chunks for better code splitting of React and UI libraries.	2025-10-29 08:49:25 +08:00
typist	55207beff5	0.0.18 All checks were successful Build and Push Docker Image / build (push) Successful in 1m39s Details	2025-10-29 08:33:42 +08:00
typist	e98a344b95	feat: enhance sidebar component with recursive submenu rendering - Implemented recursive rendering of submenu items in the sidebar for better navigation. - Added support for collapsible submenus, improving user experience with nested tools. - Refactored menu item rendering logic to utilize a new renderSubMenuContent function for cleaner code.	2025-10-29 08:33:22 +08:00
typist	d553c3e04c	0.0.17 All checks were successful Build and Push Docker Image / build (push) Successful in 1m1s Details	2025-10-29 08:27:15 +08:00
typist	e2da2758cc	chore: simplify build script in package.json - Removed sitemap generation step from the build script for a more streamlined build process.	2025-10-29 08:27:00 +08:00
typist	3ab70498e6	feat: add ModeToggle component to layout and sidebar - Integrated ModeToggle component into the layout for theme switching. - Replaced the existing button in the sidebar footer with SidebarMenuButton for improved styling and functionality.	2025-10-29 08:26:26 +08:00
typist	a5ef1a1e70	0.0.16 All checks were successful Build and Push Docker Image / build (push) Successful in 1m7s Details	2025-10-29 08:16:17 +08:00
typist	297000f208	feat: integrate SEO hook for dynamic metadata management - Removed hardcoded canonical link from index.html. - Implemented useSEO hook in layout.tsx to dynamically update SEO metadata including title, description, and canonical URL based on the current route. - Added new use-seo.ts file containing the SEO hook logic for improved search engine optimization.	2025-10-29 08:15:53 +08:00
typist	04fbf12e07	0.0.15 All checks were successful Build and Push Docker Image / build (push) Successful in 1m6s Details	2025-10-29 08:06:21 +08:00
typist	a9a6354b2d	Merge pull request 'feat: implement SEO enhancements and sitemap generation' (#10 ) from feat/seo into main Reviewed-on: #10	2025-10-29 08:05:18 +08:00
typist	109139a42e	feat: implement SEO enhancements and sitemap generation - Added comprehensive SEO meta tags in index.html for improved search engine visibility, including Open Graph and Twitter Card tags. - Created a sitemap.xml for better indexing of site tools, generated automatically via a new script (generate-sitemap.ts). - Introduced robots.txt to manage crawler access and specified sitemap location. - Updated package.json to include a build step for sitemap generation and added tsx as a dependency. - Documented SEO optimizations and usage instructions in a new SEO-README.md file.	2025-10-29 08:05:37 +08:00
typist	b5a811e5ee	0.0.14 All checks were successful Build and Push Docker Image / build (push) Successful in 1m0s Details	2025-10-29 07:28:46 +08:00
typist	b3adfe5c8f	refactor: update IP query API and response handling - Switched from ip-api.com to ipinfo.io for IP information retrieval, ensuring more reliable service. - Simplified response handling by directly using the data returned from ipinfo.io, eliminating unnecessary data transformation. - Adjusted risk level determination logic to utilize the 'org' field for identifying potential hosting or datacenter IPs.	2025-10-29 07:28:21 +08:00
typist	8eda2eae99	0.0.13 All checks were successful Build and Push Docker Image / build (push) Successful in 1m1s Details	2025-10-29 07:18:09 +08:00
typist	99673913a6	chore: comment out cache settings in build workflow - Temporarily disabled cache-from and cache-to settings in the build workflow to prevent potential issues with the build process. - Retained platform specification for compatibility.	2025-10-29 07:18:02 +08:00
typist	83e48e3485	0.0.12 All checks were successful Build and Push Docker Image / build (push) Successful in 1m40s Details	2025-10-29 07:10:25 +08:00
typist	8607591871	feat: enhance SVG for dark mode support - Added CSS styles to the SVG for dark mode compatibility, allowing the icon to switch colors based on the user's color scheme preference. - Cleaned up the SVG structure for better readability and maintainability.	2025-10-29 07:10:15 +08:00