Google PageSpeed Insights

Google PageSpeed Insights is a free performance testing tool that measures website speed, Core Web Vitals, and user experience signals using real-world and simulated data.

Strengths
Official Google tool used for measuring factors that influence search performance and visitor experience.

Limitations
Recommendations can be technical and improving scores does not always translate directly into a better website.

Best for
Website owners, SEO users, and developers checking whether hosting and site optimisation are affecting performance.

Verdict: 🟢 Recommended