// Agent category
Speed, Core Web Vitals, page weight, image optimization, broken links, and web app health
Investigate different parts of website delivery with the right measurement for each question. Run Google PageSpeed Insights for one URL, compare crawler response-completion timing across pages, estimate HTML document size, inspect image markup, trace redirects, find unreachable links, or review web app metadata. These measurements are diagnostic inputs, not observed revenue, ranking impact, or a complete real-user performance profile.
7 agents
Report unreachable links and redirect responses found in the crawl
Trace the entered URL and public scheme/www variants, then compare those HTTP responses with redirect and link evidence retained by the crawl
Run one desktop Lighthouse performance analysis through Google PageSpeed Insights
Review image alt attributes, URL extensions, inline data, and page counts
Compare crawl response-completion times across public pages
Compare the encoded size of crawl-captured HTML or text and review pages with high image counts
Review first-page icon, manifest, theme, viewport, charset, and language tags
Use the Performance Agent for a Google PageSpeed Insights lab analysis of one URL. Use Page Speed to compare crawler response-completion times across crawled pages, and Page Weight to estimate HTML document size. The image, redirect, broken-link, and web app tools answer narrower implementation questions.
Not necessarily. Lab diagnostics run in a controlled environment, while field Core Web Vitals summarize eligible real-user experiences over time. Check the field-data section in PageSpeed Insights or your own monitoring before drawing conclusions about visitor experience.
No. Enter a public URL and review results in your browser. Re-test under representative devices, networks, locations, and authenticated states when performance decisions depend on conditions a public scan cannot reproduce.