Test your website speed

GTmetrix tells you how your website performs, why it's slow, and how to optimize it.

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Test your website speed

We're relied on by the best, with 1,308,952,510 pages analyzed so far.

Get Started with GTmetrix for FREE

Test your page in different locations, monitor and set up Alerts, configure Analysis Options and more with a free GTmetrix account.

We'll show you where your page is slow, what's causing it, and how to fix it

GTmetrix breaks down your page performance in an easy to read, summarized report.

Get a detailed assessment of page performance with:

What else can GTmetrix do for you?
GTmetrix Report

Get Real User Metrics with CrUX Data

Track Core Web Vitals from actual visitors coming to your website with CrUX data.

Monitor trends as far back as 6 months to identify patterns, address issues, and continuously optimize your website.

Learn about CrUX data
CrUX Report

Track your performance over time

We'll test your page on a schedule and keep track of how it's doing.

Track historical trends and be aware of performance dips or spikes on an hourly, daily, weekly, or monthly basis.

Visualize alerts triggered for your pages directly on the graphs, including notifications for failed reports.

Learn why monitoring is critical
Report History graph

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 exactly happened, including if your page fails to generate a report.

GTmetrix Alerts

Latest News and Guides

Upcoming GTmetrix Test Server Changes

Upcoming GTmetrix Test Server Changes

We're making some important changes to our global test servers.

Read more

Updated to Lighthouse 12.3, New CLS Audit Details, and Scoring Changes

Updated to Lighthouse 12.3, New CLS Audit Details, and Scoring Changes

Moving from Lighthouse 11.0.0 to 12.3.0 saw some relevant changes to CLS scoring methodology as well as various audits.

Read more

See how your page loads on different devices

Test your page on over 40 different Simulated Device options.

Analyze your performance with iPhones, iPads, Samsung Galaxy/Note, Google Nexus/Pixel phones, and other popular devices.

Mobile Testing only available with GTmetrix PRO.

Simulated 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
GTmetrix 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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