[ ] WebP 格式转换
<picture> 元素提供 fallback[ ] 响应式图片
<picture>
<source srcset="image-400w.webp 400w, image-800w.webp 800w" type="image/webp">
<img src="image.jpg" srcset="image-400w.jpg 400w, image-800w.jpg 800w" sizes="(max-width: 600px) 400px, 800px">
</picture>
[ ] 图片压缩
[ ] 字体预加载
<link rel="preload" href="/fonts/main.woff2" as="font" type="font/woff2" crossorigin>
[ ] 字体子集化
<script defer src="non-critical.js"></script>
[ ] 关键 CSS 内联
<head>[ ] PurgeCSS
[ ] 产品 Schema
{
"@type": "Product",
"name": "Nice SMILO Compatible Remote",
"image": "...",
"description": "...",
"brand": {
"@type": "Brand",
"name": "GateRemoteSource"
},
"offers": {
"@type": "Offer",
"availability": "https://schema.org/InStock"
}
}
[ ] 面包屑导航 Schema
[ ] FAQ Schema - 增强搜索结果展示
[ ] Open Graph 完善
<meta property="og:locale" content="en_US">
<meta property="og:locale:alternate" content="es_ES">
<meta property="og:locale:alternate" content="de_DE">
[ ] Twitter Cards
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:site" content="@GateRemoteSource">
[ ] 导航 ARIA
<nav aria-label="Main navigation">
<ul role="menubar">
<li role="none">
<a role="menuitem" href="/">Home</a>
</li>
</ul>
</nav>
[ ] 表单 ARIA
<input aria-required="true" aria-invalid="false" aria-describedby="email-error">
<span id="email-error" role="alert">Please enter a valid email</span>
[ ] 焦点指示器
:focus-visible {
outline: 3px solid var(--color-accent);
outline-offset: 2px;
}
[ ] 跳过链接
<a href="#main-content" class="skip-link">Skip to main content</a>
[x] 触摸目标大小 - 至少 44x44px
[ ] 双击缩放消除
touch-action: manipulation;
[ ] 视口优化
<meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover">
[ ] Web App Manifest
{
"name": "GateRemoteSource",
"short_name": "GRS",
"start_url": "/",
"display": "standalone",
"background_color": "#ffffff",
"theme_color": "#0071E3"
}
[ ] Service Worker
Content-Security-Policy:
default-src 'self';
script-src 'self' 'unsafe-inline' https://www.googletagmanager.com;
style-src 'self' 'unsafe-inline';
img-src 'self' data: https:;
font-src 'self';
connect-src 'self' https://api.example.com;
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
Referrer-Policy: strict-origin-when-cross-origin
Permissions-Policy: geolocation=(), microphone=(), camera=()
[ ] Core Web Vitals
[ ] 错误监控
window.addEventListener('error', (e) => {
// Send to error tracking service
});
[ ] 阅读时间估算
const readingTime = Math.ceil(wordCount / 200);
[ ] 目录导航 (TOC)
[ ] 代码高亮
[ ] 社交分享
[ ] hreflang 标签
<link rel="alternate" hreflang="en" href="https://.../en/">
<link rel="alternate" hreflang="es" href="https://.../es/">
<link rel="alternate" hreflang="x-default" href="https://.../">
[ ] 语言切换器
[ ] RTL 支持 (如果需要阿拉伯语等)
| 指标 | 当前 | 目标 |
|---|---|---|
| LCP | ~3s | < 2.5s |
| FID | ~150ms | < 100ms |
| CLS | ~0.15 | < 0.1 |
| PageSpeed | ~70 | > 90 |
| SEO 评分 | ~75 | > 90 |
| 无障碍评分 | ~60 | > 90 |
| 用途 | 工具 |
|---|---|
| 图片优化 | ImageOptim, Squoosh, TinyPNG |
| 性能测试 | Lighthouse, PageSpeed Insights, WebPageTest |
| SEO 分析 | Screaming Frog, Ahrefs, SEMrush |
| 无障碍检查 | axe DevTools, WAVE, Lighthouse |
| CSS 优化 | PurgeCSS, UnCSS |
| 构建优化 | Rollup, Webpack |
需要我帮你实施其中哪些优化?建议先从高优先级的开始!