Development · Web app
PageSpeed Insights
Google's web performance testing tool analyzing Core Web Vitals and load speed.
PageSpeed Insights evaluates the performance of web pages on mobile and desktop devices. It generates 0-100 performance scores based on Core Web Vitals and lab data from Lighthouse. The tool provides actionable diagnostics and opportunities to fix asset bottlenecks and reduce load times.
What it's for
- Test Core Web Vitals for mobile and desktop versions of a website
- Identify render-blocking assets and oversized images slowing down page loads
- Audit technical SEO and site performance before launching updates
Features
- Separate mobile and desktop performance reports
- Real-world field data from the Chrome User Experience Report (CrUX)
- Lab-based diagnostics powered by Lighthouse
- Core Web Vitals assessment including LCP, INP, and CLS
- Actionable optimization suggestions and estimated time savings
Pricing
Free to use with no account required
Details
- Type
- Web app
- Category
- Development
- Topic
- Performance Testing
- Open source
- No
- Platforms
- Web, API
- For
- Web developers, SEO specialists, and site owners
- Alternative to
- GTmetrix, Pingdom Website Speed Test, WebPageTest
- Tags
- seo, web performance, core web vitals, auditing, google
Why it was saved
- @heytony.agency: Quickly pinpoints bottlenecks slowing down a website and recommends actionable optimizations like serving next-gen image formats.
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Updated