Curated list of the best free tools to analyze, audit, and improve mobile site performance and SEO.
Get targeted exposure with custom position pinning and highlighted placement.
Analyzes page speed on mobile and desktop, providing actionable suggestions and a performance score.
Checks if a page is optimized for mobile devices and highlights usability issues.
Open‑source, automated tool built into Chrome that audits performance, accessibility, SEO, and best practices for mobile.
Free online testing platform that runs real‑world mobile tests on a variety of devices and networks.
Combines Google PageSpeed and YSlow metrics to give a detailed mobile performance report.
Provides quick mobile load‑time analysis with performance grades and suggestions.
Offers mobile performance audits, visual waterfall charts, and SEO recommendations.
Free SEO suite that includes mobile crawl errors, site health scores, and backlink analysis.
Limited access to site audit features focusing on mobile SEO issues and page speed.
Provides a mobile site crawl, page optimization suggestions, and keyword insights.
Crawls up to 500 URLs, identifies mobile‑specific issues like missing viewport tags and slow resources.
Shows mobile page speed score, core web vitals, and SEO recommendations.
Analyzes mobile SEO health, detects broken links, duplicate content, and page speed problems.
Runs a mobile SEO audit covering speed, mobile usability, and structured data.
Provides on‑page SEO metrics, including mobile friendliness, directly in the browser.
Delivers a mobile SEO report with performance scores, page speed, and optimization tips.
Desktop crawler that highlights mobile-specific SEO issues and visualizes performance data.
Shows mobile usability errors, Core Web Vitals, and indexing status for mobile users.
Simulates mobile network conditions to test load times and resource loading in real time.
Open‑source CI tool that runs Lighthouse audits on every commit, focusing on mobile performance trends.
Open‑source framework for automated mobile performance testing using WebPageTest, Browsertime, and Lighthouse.
Programmatic access to mobile performance scores and recommendations for integration into dashboards.
Free online tool that runs a Lighthouse audit focused on mobile performance, accessibility, and SEO.
Checks mobile page speed, Core Web Vitals, and mobile‑friendly design compliance.
Simple tool to preview how a page renders on various mobile devices and screen sizes.
Command‑line tool to measure mobile page load performance using emulated devices.
Provides real‑user monitoring (RUM) for mobile, visualizing performance trends over time.
Shows mobile page load times, latency, and user timing data collected from real visitors.
Analyzes mobile page performance against Yahoo!’s rules for high‑speed web sites.
Specifically runs PageSpeed and YSlow analyses under mobile emulation.
Offers on‑page SEO analysis, including mobile usability checks, directly from the browser.
Validates mobile‑friendly structured data markup that can affect mobile SEO.
Ensures Accelerated Mobile Pages (AMP) are valid and performant on mobile devices.