Site Relic
Find out how much time take to load your site from multiple location across devices.
21 Alternatives To Site Relic
DareBoost
DareBoost is an online tool to test, analyze and monitor your website: speed, SEO, quality, security. All you need for website optimization in a single service.
GTmetrix
GTmetrix is a free tool that analyzes your page’s speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the quality of web pages.
Holly Website Audit
Free, brandable website audit for your potential clients
How good is your website?
Find out in 7 seconds and where you can improve today
Imagify
Optimize and resize images online and through your CMS.
Lookout
Lookout is a cybersecurity company that predicts and stops mobile attacks before harm is done to an individual or an enterprise.
Meteor
Meteor is a set of new technologies for building top-quality web apps in a fraction of the time.
PageSpeed Ninja
One-click page speed boost for WordPress
Progressive Tooling
Curated list of tools to improve web page performance
Ryte
Ryte is a web-based software invented for technical optimization for search engines and improvement of websites.
SanityCheck
Get the exact data you need from Google Search Console.
Smaller
Make your websites load faster
Treo
Treo is the page speed monitoring tool that helps your customers from obtaining a faster web experience.
WebPagetest
Run a free website speed test from multiple locations around the globe using real browsers…
Website Grader
Grade your website’s strengths and weaknesses in seconds.
Website Speed Ranker
Compare how fast your website loads vs your competitors
Wedgetail
Time your functions in your tests
neXpert
neXpert is an add-on to Fiddler Web Debugger which aids in performance testing web applications.
speedtest-cli
Test your download speed using SpeedTest on the command-line