PageSpeed Insights is a web performance analysis tool by Google. It analyzes the content of a web page, then generates suggestions to make that page faster. Key features include:
- Performance scoring: Provides a score for both mobile and desktop versions of a site.
- Lab data: Displays diagnostic information about the page, such as First Contentful Paint (FCP) and Largest Contentful Paint (LCP).
- Opportunities: Highlights specific areas for improvement, like optimizing images, deferring offscreen images, eliminating render-blocking resources, and more.
- Diagnostics: Offers additional insights into factors affecting page speed, such as server response times and JavaScript execution.
- Passed audits: Shows a list of audits that the page already passes.
Use cases include:
- Website optimization: Identifying and addressing performance bottlenecks.
- SEO improvement: Faster pages tend to rank higher in search results.
- User experience enhancement: Reducing bounce rates and increasing engagement.
- Mobile optimization: Ensuring fast loading times on mobile devices.
