User Probe is described as 'It costs a lot to have a slow website. Stop gambling your users will endure slow pages. Start running performance regression now!' and is a website monitoring tool in the network & admin category. There are more than 10 alternatives to User Probe for a variety of platforms, including Web-based, Mozilla Firefox, Google Chrome, Safari and SaaS apps. The best User Probe 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 apps like User Probe are GTmetrix, WebPageTest, Yellow Lab Tools and Pingdom Website Speed Test.
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.
Get the web's modern capabilities on your own sites and apps with useful guidance and analysis from web.dev.
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.
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