Speed & performance tools
Page speed, Core Web Vitals, server response, compression and minification.
Speed & performance8
- Page Speed TestLighthouse performance score, lab metrics and real-user Core Web Vitals for any page.
- Core Web Vitals CheckerCheck real-user LCP, INP and CLS from the Chrome UX Report for a page and its whole site.
- Server Response Time (TTFB) TestMeasure DNS, connection, TLS and time to first byte over three requests.
- Page Size CheckerFind the total weight of a page and which images, scripts and styles are heaviest.
- Gzip & Brotli Compression TestCheck whether a page is served with Gzip or Brotli and how much it saves.
- HTTP/2 & HTTP/3 CheckerCheck whether a server supports HTTP/2 and advertises HTTP/3.
- CSS MinifierMinify CSS to reduce file size by removing whitespace and comments.
- JavaScript MinifierMinify and compress JavaScript safely with Terser.