FastOS 工具
FastOS 工具

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結果。

LCP (Largest Contentful Paint)

N/AN/A
加载性能

FID (First Input Delay)

N/AN/A
交互性

CLS (Cumulative Layout Shift)

N/AN/A
视觉稳定性

FCP (First Contentful Paint)

N/AN/A
加载性能

TTFB (Time to First Byte)

N/AN/A
服务器响应時間

功能介紹

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.

什麼時候用這個工具?

Use this tool whenever you optimize page speed or UX: after design changes, before launches, or when investigating slow user experiences.

使用步驟

1

Open the target page in the tool

Load or reference the page you want to test so the tool can measure its performance metrics.

2

Collect Web Vitals metrics

Observe key values such as Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift.

3

Interpret the results

Compare metrics against recommended thresholds to decide whether your page needs optimization.

使用範例

Validating a new homepage design

Measure Web Vitals after redesigning your homepage to ensure animations and images do not hurt performance.

常見問題

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