Is your website slow? Use these free website speed testing tools to get information about your website’s loading speed and performance, as well as an understanding of issues that slow your site down.

1. Pingdom Website Speed Test

Pingdom Website Speed Test

Pingdom’s free website speed testing tool not only looks great, but also gives you all the information you need to know about your site’s performance — load time, page size, a detailed page analysis, and more.

2. Load Impact

This free tool presents useful visuals about your website’s speed. Note: If you don’t sign up for an account on their site, your website’s performance info will be publicly available on their site.

3. Google PageSpeed Insights

Google PageSpeed Insights

As its name suggests, Google PageSpeed Insights provides you with insights about your website’s speed. This free tool will tell you about the performance issues it finds on your site, as well as give your site a performance grade.

4. OctaGate SiteTimer

OctaGate SiteTimer

OctaGate SiteTimer shows you a waterfall timeline of how objects on the web page you’re testing is being downloaded. ┬áIt also tells you how long it takes for your web page to load completely.

5. GTmetrix

GTmetrix

GTmetrix is awesome because it also tests your site with YSlow (which is generally only available as a browser extension or a command line tool). Also, the tool allows you to download your results as a PDF, which might be useful.

What’s Your Favorite Website Speed Testing Tool?

There are lots of tools that can test your website’s speed and performance. After reviewing a lot of these tools, I picked the top five online website speed testing tools I could find and discussed them above.

Other tools to check out are:

  • Which loads faster? – allows you to compare two websites to see which one loads the fastest.
  • Web Page Analyzer – A simple tool that gives you lots of data about a web page, such as a summary table of the objects in the web page being tested.
  • WebPagetest – a basic site speed testing tool.

If I missed your favorite website speed testing tool, please feel free to discuss it in the comments.

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Author:

Jacob Gube is the co-founder and a managing editor of Design Instruct. He's a web developer, and also the owner of Six Revisions. Follow Jacob on Twitter: @sixrevisions