Merlin
All-In-One PageSpeed Test

All-In-One PageSpeed Test

Test any website performance with main test tools with one single click: Google PageTest Insights, GTmetrix, Yellow Lab Tools

What is All-In-One PageSpeed Test?
"All-In-One PageSpeed Test" is a Firefox add-on designed for testing website performance. It provides users a unified interface to use three different performance testing tools, namely Google PageSpeed Insights, GTmetrix, and Yellow Lab Tools, on any URL with a single click. By simplifying the process of performance testing, this tool offers an efficient solution for developers and SEOs aiming for website speed optimization.
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Merlin
Stats
Users: 645 ▼ -14
Rating: 4.50 (8)
Version: 0.2resigned1 (Last updated: 2024-04-26)
Creation date: 2018-09-10
Weekly download count: 10
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 2
Permissions:
  • tabs
  • http://*/*
  • https://*/*
Size: 14.49K
Stats date:

Chrome-Stats Rank

# 3978 ▼ 8
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Other platforms

Not available on Chrome
Not available on Edge
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Merlin
Summary
Analyze keywords

What does this add-on? It tests a current URL in your browser with three performance testing tools with one single mouse click:

  • Google PageSpeed Insights
  • GTmetrix (GooglePageSpeed Insights and Yahoo Yslow)
  • Yellow Lab Tools

Extension works very simple:

  1. Install Add-on
  2. Navigate to the url you want to test
  3. Click on the add-on button in the add-on bar on the to right of your FF
  4. Magic!
  5. Test results from all three test tools are opening in new tabs immediately!
Note! You maybe need to wait until test results of certain tools are ready. Test queues exist mainly at GTmetrix - other both tools deliver test results after just a few seconds of wating.

Have pleasure with performance tests and may the performance force be with you! This time-saving add-on is brought to you by https://mediaworx.com, full circle media agency from Berlin, Germany

User reviews
by Ruslan, 2023-04-24
View all user reviews
Safety
Risk impact

All-In-One PageSpeed Test is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install All-In-One PageSpeed Test if you trust the publisher.

Risk likelihood

All-In-One PageSpeed Test is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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Screenshots
All-In-One PageSpeed Test All-In-One PageSpeed Test All-In-One PageSpeed Test All-In-One PageSpeed Test