IsItReady vs PageSpeed Insights
PageSpeed Insights is the right tool for performance diagnostics. isitready.dev is the broader pre-launch verdict that includes performance as one surface.
- Surface
- Comparison
- Scope
- Public web evidence
- Auth
- None required
- Schema
- WebPage
Answer first
What PageSpeed does
PageSpeed focuses on Lighthouse lab diagnostics, Core Web Vitals field data when available, opportunities, and performance-related quality signals.
Detail 01
What IsItReady adds
IsItReady checks AI readiness, technical SEO, security headers, production hygiene, public evidence rows, and copyable remediation prompts.
Detail 02
When to use both
Run PageSpeed when performance is the question. Run IsItReady when launch confidence, crawlability, headers, and AI discovery also matter.
FAQ
Common questions
- Is IsItReady a PageSpeed replacement?
- No. It consumes performance evidence where available and puts it beside other launch-readiness checks.
- Why can PageSpeed pass while IsItReady fails?
- A fast site can still have blocked robots, missing metadata, no CSP, broken canonicals, or poor AI discovery signals.