GradeMySpeed – Free website speed test with Core Web Vitals analysis

Summary: GradeMySpeed provides instant website speed testing and Core Web Vitals analysis with simple A-F grades, actionable tips, and side-by-side mobile and desktop comparisons without requiring signup.

What it does

It wraps the official Google API to deliver performance and structure scores as letter grades, offering instant analysis and mobile-first comparisons.

Who it's for

Web developers and site owners seeking straightforward speed assessments and easy-to-understand grading for client communication.

Why it matters

It simplifies complex speed metrics into clear grades, addressing the need for accessible, fast website performance insights.