速度
资源数量
为何重要
Every file a page loads adds network overhead. Pages with very many requests load slower, especially on mobile.
如何修复
- Remove unused scripts, styles and third-party widgets.
- Combine small files and use SVG sprites or icon fonts where sensible.
使用以下工具检查
- Page Speed Test – Lighthouse performance score, lab metrics and real-user Core Web Vitals for any page.
评分：通过的检查获得全部权重，警告获得一半，错误则不得分。 SEO 评分如何运作