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.


KeyCDN Tools is described as 'Website speed test, DNS lookup service incl EDNS client subnet, fast geolocation for IP or hostname, HTTP response headers, FREAK attack tester and more' and is an website in the network & admin category. There are more than 10 alternatives to KeyCDN Tools, not only websites but also apps for a variety of platforms, including Windows, Mac, SaaS and Linux apps. The best KeyCDN Tools alternative is GTmetrix, which is free. Other great sites and apps similar to KeyCDN Tools are PingPlotter, ipinfo.io, WebPageTest and Ping Tracer.
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.


PingPlotter is a graphical traceroute and ping tool that visualizes network performance in a way that makes identifying the source of problems quicker and easier.

IPinfo is the trusted source for IP address data, handling 12 billion API requests per month for over 1,000 businesses and 100,000+ developers.




Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.

Ping Tracer continuously pings each network host between your computer and a given destination, helping visually identify the source of connectivity problems.

mtr combines the functionality of the 'traceroute' and 'ping' programs in a single network diagnostic tool.


Trippy combines the functionality of traceroute and ping and is designed to assist with the analysis of networking issues.




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.


Domsignal is an all-in-one platform dedicated to empowering developers, SEO experts, sysadmins, and security researchers in their quest for website excellence. We provide a comprehensive suite of tools to help you analyze and optimize your website's performance, security...



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.