Web Vitals 检测工具
测量您网站的核心 Web Vitals。检查 LCP、FID、CLS 等性能指标。
Web Vitals 检测工具
此工具测量当前页面的核心 Web 指标。重新加载页面并等待几秒钟以获得准确的测量结果。
LCP (Largest Contentful Paint)
FID (First Input Delay)
CLS (Cumulative Layout Shift)
FCP (First Contentful Paint)
TTFB (Time to First Byte)
功能介绍
The Web Vitals Checker tool measures Core Web Vitals metrics like LCP, FID, and CLS for your pages. It helps you understand real‑world performance and prioritize optimizations.
什么时候用这个工具？
Use this tool whenever you optimize page speed or UX: after design changes, before launches, or when investigating slow user experiences.
使用步骤
Open the target page in the tool
Load or reference the page you want to test so the tool can measure its performance metrics.
Collect Web Vitals metrics
Observe key values such as Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift.
Interpret the results
Compare metrics against recommended thresholds to decide whether your page needs optimization.
使用示例
Validating a new homepage design
Measure Web Vitals after redesigning your homepage to ensure animations and images do not hurt performance.