Google’s Mobile‑Friendly Test helps you see how easily a visitor can use your page on a mobile device. Below are 20 free (or freemium) SEO tools that also provide mobile‑friendliness analysis, responsive design checks, and performance insights.
Get targeted exposure with custom position pinning and highlighted placement.
Analyzes page performance on both mobile and desktop, offering Core Web Vitals, suggestions, and a mobile‑friendliness score.
Built‑in Chrome audit tool that evaluates mobile usability, performance, accessibility, and SEO with detailed reports.
Runs real‑world tests from multiple locations and devices, providing mobile waterfall charts, filmstrips, and optimization tips.
Free tier includes mobile analysis (via Lighthouse) with PageSpeed and YSlow scores, plus visual recommendations.
Microsoft’s counterpart to Google’s test, checking mobile rendering, viewport, and usability issues.
Simple online tool that renders your URL on several popular device screens and flags mobile‑friendliness problems.
Quick visual preview of how a site looks on a range of device sizes, helping spot layout break‑points.
Free Chrome extension that runs a mobile‑focused PageSpeed Insights audit directly from the browser.
Shows crawl‑detected mobile usability issues (e.g., clickable elements too close, content wider than screen).
Free site audit includes a mobile‑friendliness check, page speed, and SEO health metrics.
Offers a limited‑free site audit with mobile‑friendliness analysis, on‑page SEO, and visual screenshots.
Free SEO crawler that evaluates mobile usability, broken links, and technical SEO issues.
Limited free crawl that flags mobile‑friendliness problems alongside other technical SEO issues.
Free account provides up to 100 pages per crawl, including mobile usability warnings.
Desktop crawler (up to 500 URLs) that reports mobile‑friendly issues via the “Mobile Usability” tab.
30‑day free trial includes mobile‑friendliness checks, crawl errors, and SEO recommendations.
Provides a quick mobile‑friendliness score, page speed data, and actionable SEO tips.
Free analysis (limited daily) includes mobile performance, usability, and visual comparison screenshots.
Online tool that checks mobile responsiveness, page speed, and SEO health with a simple URL input.
Live testing platform offering free trial access to real mobile devices for manual mobile‑friendliness checks.