How fast does your website load?
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See how your site performs, reveal why it's slow and discover optimization opportunities.
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Updated to Lighthouse 11/Chrome 117, Changes to GTmetrix Scoring, and More!
Learn more ›October 11, 2023 -
What Causes Bad CLS and How to Fix it?
Learn more ›September 18, 2023 -
DoodlyDog: Learn How a Designer Uses GTmetrix For Customer Acquisition
Learn more ›September 5, 2023
1,148,719,263 pages analyzed so far
Join thousands of people and companies around the world committed to making the web consistently fast.
Make sure your site is fast for everybody
Test your page in different countries, browsers, connection speeds and more
Wondering why your page is slow?
We'll breakdown your page performance in a summarized report.
Get a detailed assessment with:
- Lighthouse metrics and audits
- Web Vitals (LCP, TBT, CLS)
- Various Analysis Options
- Waterfall, Video and Report History
Track your performance over time
We'll test your page on a schedule and keep track of how it's doing.
Learn why monitoring is important
Get notified when your page is slow
Set up an alert and get notified when your page underperforms.
We'll send you an alert linked to a full report so you can know what
happened.
See how your page loads on different devices
Test your page on a real Android device or on over 30 different Simulated Device options.
Analyze your performance with iPhones, iPads, Samsung Galaxy/Note, Google Nexus/Pixel phones, and other popular devices.
How does your page perform around the world?
See how your page performs in 22 different global test locations and make sure it loads fast for all your visitors worldwide.
Premium Test Locations only available with GTmetrix PRO.
See all our global test locations
Analyze your site now and see how well it performs!
Take advantage of all the features GTmetrix has to offer and make your site the fastest it can be!
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