Quickly start a GTmetrix test on any page using our convenient bookmarklet.
The GTmetrix bookmarklet is a snippet of JavaScript that allows you to analyze the performance of the current page with a single click.
![](https://gtmetrix.com/blog/wp-content/uploads/2018/04/bookmarklet-animation.gif)
Read on for instructions on how to set it up.
How to set up the GTmetrix Bookmarklet
Here’s how to set up the GTmetrix bookmarklet in a variety of browsers.
Firefox, Safari, Chrome
Simply drag this link onto your bookmarks toolbar: Test with GTmetrix
![](https://gtmetrix.com/blog/wp-content/uploads/2018/04/bookmarklet-dragndrop.gif)
When you’re on a site you want to analyze, just click on it! A new tab will be created with a GTmetrix test started.
Microsoft Edge
Unfortunately, Microsoft Edge doesn’t provide a simple way to add bookmarklets to the Favorites bar, but here’s a workaround. First, make sure your Favorites Bar is enabled.
![](https://gtmetrix.com/blog/wp-content/uploads/2018/04/edge-favourite-bar.jpg)
Then, favorite this page by clicking on the star button in the address bar. Rename the favorite to “Test with GTmetrix” and be sure to Save in the “Favorites Bar”.
![](https://gtmetrix.com/blog/wp-content/uploads/2018/04/edge-add-favourite.jpg)
You’ll see your new favorite in the Favorites bar. Right-click on this link here: Test with GTmetrix and click “Copy link.”
![](https://gtmetrix.com/blog/wp-content/uploads/2018/04/edge-copy-url.jpg)
Then right-click on the “Test with GTmetrix” favorite you created earlier, and click “Edit URL.” Paste the URL you copied from the above link, and press Enter on your keyboard.
![](https://gtmetrix.com/blog/wp-content/uploads/2018/04/edge-edit-url.jpg)
Click on the bookmarklet when you’re on a site you want to analyze.
Internet Explorer
Ensure that your Favorites toolbar is enabled, then right click on the following link and click “Add to Favorites.”: Test with GTmetrix
![](https://gtmetrix.com/blog/wp-content/uploads/2018/04/ie-add-to-favorites.jpg)
GTmetrix’s bookmarklet contains JavaScript, so you will receive a security warning; click “Yes” to continue.
Move your bookmarklet to the IE Favorites Toolbar and click on it when you’re on a site you want to analyze.
Give it a try today!
Let us know if you run across any bugs or issues and feel free to tell us your thoughts on Twitter (@gtmetrix) or contact us.