PerfTest is described as 'This website provides totally free and unrestricted performance testing from 12 global locations. Uses Google lighthouse engine to do the analysis, also provides a unique feature of testing the performance of your hosting from 12 global locations to get the real picture in terms' and is an website. There are eight alternatives to PerfTest, not only websites but also apps for Google Chrome, Mozilla Firefox and Node.JS. The best PerfTest alternative is Pingdom. It's not free, so if you're looking for a free alternative, you could try Google Lighthouse or PageSpeed Insights. Other great sites and apps similar to PerfTest are GTmetrix, WebPageTest, Pingdom Website Speed Test and Screpy.
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.
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.
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.
GTmetrix is a 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.
Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.
Use this free Website Speed Test to analyze the load speed of your websites, and learn how to make them faster.
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).
Free, professional-grade Website Speed Test with unique Video Visualization and Actionable Recommendations for Core Web Vitals (LCP, INP, CLS).
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