
DeveloperToolStack
Free, no-signup developer tools for technical SEO: robots.txt, sitemap.xml and .htaccess generators, plus practical guides. Everything runs in your browser.

GTmetrix
PageSpeed Insights
Google Lighthouse
Pingdom
Website Speed Test by Pingdom
DareBoost
DebugBear
Run a free website speed test from multiple locations around the globe using real browsers...

Which is more popular?
Based on our record, WebPagetest seems to be more popular. It has been mentioned 51 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | fullstacktoolkit.com | webpagetest.org |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of FullStackToolkit yet.
Overall verdict
Why this product is good
Recommended for
WebPagetest is recommended for web developers, performance engineers, SEO specialists, and anyone interested in optimizing website speed and performance. It is especially useful for those who need detailed insights into page load processes and performance optimization opportunities.
Walkthroughs and reviews on video.
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WebPageTest - The State of the Web
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using FullStackToolkit and WebPagetest. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking FullStackToolkit since Sep 2026.
Trust neither. The most optimal option I've found is webpagetest.org Its been quite handy lately. This tool does look interesting. Source: over 3 years ago
Webpagetest.org is another. Pagespeedinsights and lighthouse are great for identifying page load issues to fix, but actual page load times will always vary between the user and your web server. Universal analytics has some page load... Source: over 3 years ago
So I am working on rebuilding our company's site with a new stack. I am running tests using webpagetest.org, and I am having trouble fully understanding the speed index results as well as the film strip view. The page renders quite fast... Source: over 3 years ago
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120 free browser-based developer utilities. No sign-up required.
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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.
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