Eight free website speed testing tools

Nobody Likes a Slow Website, including Search Engine. The test tools list here can help you analyze the load speed of your websites and learn how to make them faster. It lets you identify what about a web page is fast, slow, too big, what best practices you’re not following, and so on. We have tried to make it useful both to experts and novices alike.

In short, we wanted them to be a free, easy-to-use tool to help webmasters and web developers everywhere optimize the performance of their websites.

1. PageSpeed Insights

PageSpeed Insights

PageSpeed Insights is an open-source project started at Google to help developers optimize their web pages by applying web performance best practices. PageSpeed Insights started as an open-source browser extension, and is now available via PageSpeed Insights and as an API.

2. LoadImpact.com


Load Impact

LoadImpact.com offers load testing and reporting as an online service to e-commerce & B2B sites all over the world.

3. Neustar Web Performance

Neustar Web Performance

A quick and easy way to get performance data on any website without having to create a test script.

4. WebPagetest


Run a free website speed test from multiple locations around the globe using real browsers (IE and Chrome) and at real consumer connection speeds.

5. OctaGate SiteTimer

OctaGate SiteTimer

OctaGate SiteTimer aims at web site developers that needs to get a birds eye view of their work.



All tests are done with real web browsers, so the results match the end-user experience exactly. We use a bunch of instances of Google’s Chrome web browser to load websites, record performance data, and so on. Tests are done from dedicated Pingdom servers.

7. Which Loads Faster


whichloadsfaster is a fun way to spread the word that web performance matters. It’s about friendly competition and about testing in everybody’s browser, not just ones that have nice performance tools already.

8. ShowSlow


Show Slow is an open source tool that helps monitor various website performance metrics over time. It captures the results of YSlowPage SpeedWebPageTest and dynaTrace AJAX Edition rankings and graphs them, to help you understand how various changes to your site affect its performance.

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