<!-- 字符编码 -->
<meta charset="UTF-8">
<!-- 视口设置,响应式必备 -->
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- IE兼容模式 -->
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<!-- 页面描述 -->
<meta name="description" content="不超过150个字符的页面描述">
<!-- 页面关键词 -->
<meta name="keywords" content="关键词1,关键词2,关键词3">
<!-- 禁止搜索引擎索引(如需) -->
<meta name="robots" content="noindex,nofollow">
<!-- 作者信息 -->
<meta name="author" content="作者名">
<!-- 版权信息 -->
<meta name="copyright" content="版权信息">
<meta property="og:title" content="页面标题">
<meta property="og:description" content="页面描述">
<meta property="og:type" content="website">
<meta property="og:url" content="页面URL">
<meta property="og:image" content="分享时显示的图片URL">
<!-- 放置在head标签内 -->
<link rel="icon" href="/favicon.ico" type="image/x-icon">
<!-- PNG格式(推荐) -->
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
<!-- Apple设备 -->
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
<!-- Safari标签页颜色 -->
<meta name="theme-color" content="#ffffff">
<!-- Windows磁贴 -->
<meta name="msapplication-TileColor" content="#ffffff">
<meta name="msapplication-TileImage" content="/mstile-144x144.png">
<!-- 异步加载,不阻塞渲染 -->
<script src="script.js" async></script>
<!-- 延迟加载,文档解析完成后执行 -->
<script src="script.js" defer></script>
<!-- 关键JS内联,非关键JS延迟 -->
<script>
// 关键代码直接内联
</script>
<script src="non-critical.js" defer></script>
// 动态导入(ES模块)
if (featureNeeded) {
import('./module.js')
.then(module => {
module.init();
});
}
// Intersection Observer懒加载
const observer = new IntersectionObserver((entries) => {
entries.forEach(entry => {
if (entry.isIntersecting) {
const script = document.createElement('script');
script.src = entry.target.dataset.src;
document.body.appendChild(script);
observer.unobserve(entry.target);
}
});
});
document.querySelectorAll('[data-lazy-src]').forEach(el => {
observer.observe(el);
});
// 使用Performance API监控资源加载
window.addEventListener('load', () => {
const [entry] = performance.getEntriesByType('navigation');
console.log('页面加载时间:', entry.loadEventEnd - entry.startTime);
});
<!-- 使用正确的HTML5语义标签 -->
<header>, <nav>, <main>, <article>, <section>, <aside>, <footer>
<!-- 标题层级清晰 -->
<h1>主标题</h1>
<h2>次级标题</h2>
<h3>小标题</h3>
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "WebSite",
"name": "网站名称",
"url": "https://www.example.com",
"potentialAction": {
"@type": "SearchAction",
"target": "https://www.example.com/search?q={search_term_string}",
"query-input": "required name=search_term_string"
}
}
</script>
URL优化:
内容优化:
技术SEO:
<!-- 规范URL -->
<link rel="canonical" href="https://www.example.com/page" />
<!-- 多语言支持 -->
<link rel="alternate" hreflang="en" href="https://www.example.com/en" />
性能优化:
移动端友好:
通过以上细节处理,可以显著提升网页的用户体验和搜索引擎可见性。