GTmetrix is described as 'Free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them' and is a website monitoring tool in the business & commerce category. There are more than 50 alternatives to GTmetrix, not only websites but also apps for a variety of platforms, including SaaS, Windows, Mac and Mozilla Firefox apps. The best GTmetrix alternative is Google Lighthouse, which is both free and Open Source. Other great sites and apps similar to GTmetrix are Pingdom, PageSpeed Insights, ahrefs and WebPageTest.
Unified Web Performance that automatically tests your pages and tracks real user experiences. Automatically discovers your busiest pages and scans them weekly, providing actionable recommendations. Integrated Real User Monitoring to track the actual experience of visitors to...
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Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. It has audits for performance, accessibility, progressive web apps, SEO and more.
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Tracks uptime, downtime, and page speed with synthetic and real user monitoring, simulates critical flows, analyzes visitor data by location, device, and browser, sends instant alerts, and provides analytics and reporting to troubleshoot and optimize sites.
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PageSpeed Insights (PSI) reports on the performance of a page on both mobile and desktop devices, and provides suggestions on how that page may be improved.
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Ahrefs is a complete SEO toolset offering functionalities such as keyword research, link building, and website analysis. It provides free tools to improve SEO performance for both beginners and experts.
United Kingdom
Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.
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SitePulse is an automated website health auditor. It runs an automated weekly audit of your site (Performance, SEO, Broken Links, SSL) and emails you a simple, human-readable PDF report.
Super easy website performance monitoring for teams that want to have a faster, better ranking website. Get notified if your website gets slow. Most affordable Lighthouse, CrUX and RUM tool.
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Loado is an easy-to-use monitoring tool for websites that helps developers, products, and marketers to improve user conversions and optimize SEO strategies.
Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
United States
Screpy is an AI-based web analysis tool that can analyze all pages of your websites in one dashboard and monitor them with your team. It's powered by Lighthouse and it also includes some different analysis tools (SEO, SERP, W3C, Uptime, etc).
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool.
