System Genai
Free tool
Speed, Core Web Vitals, accessibility and search checks in one pass, measured on Google's own infrastructure, explained in plain language, and downloadable as a PDF report. No signup.
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Why this one
3 differences
Most free checkers show you a lab score and stop. We put the controlled test next to 28 days of real Chrome visitor data, and tell you which one to believe when they disagree.
Raw audit output is a wall of warnings. We rank the fixes by measured impact, state the effort honestly, and explain each one in language a non-engineer can act on.
One click produces a clean PDF: scores, vitals, the ordered fix list and the search checks. Hand it to your developer, your agency, or us.
Common questions
5 answers
Yes. No signup, no email gate, no watered-down teaser version. The measurements come from Google's PageSpeed Insights infrastructure, the same engine behind Lighthouse, and the analysis layer on top is ours.
Each score is out of 100. Ninety and above is strong, fifty to eighty-nine needs work, below fifty is costing you visitors. Performance measures speed, Accessibility measures usability for everyone, Best Practices covers security and modern standards, and SEO covers how well search engines can read the page.
Mobile runs are throttled to mid-range phone hardware on a slow connection, because that is what much of the real world uses. A page that feels fast on your office machine can be painful on a phone, and search rankings use the mobile experience.
Three numbers Google uses as ranking signals: how fast the main content appears (LCP), how quickly the page responds to interaction (INP), and how much the layout jumps around while loading (CLS). When enough Chrome users visit a site, we show the real measured values, not just a lab estimate.
Start at the top of the fix list; it is ordered by impact. Most sites recover the majority of their score from two or three fixes, usually images, unused JavaScript, or caching. If you would rather hand it off, that is what we do all day.
Measurements run on Google PageSpeed Insights. Your URL is sent to Google to run the analysis and nowhere else; we store nothing. Questions about a result: info@systemgenai.com.
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