# 网站性能资源
- PageSpeed Insights: https://pagespeed.web.dev/
- Lighthouse: https://developer.chrome.com/docs/lighthouse/
- WebPageTest: https://www.webpagetest.org/
- web.dev Performance: https://web.dev/performance/
- Can I Use: https://caniuse.com/

先记录同一页面、同一环境的基线，再对单一瓶颈做修改并复测。