Brotli Checker – Test Your Website Compression and Speed Instantly

Created on 18 October, 2025 • Checker tools • 15 views • 2 minutes read

Use a free Brotli Checker to see if your website uses Brotli compression. Improve your site’s loading speed, SEO performance, and user experience with this quick, simple test.

In today’s online world, speed is everything. When a website takes too long to load, people often leave before seeing what it offers. That’s why smart website owners use Brotli compression to make their sites faster. And with a Brotli Checker, you can quickly find out if your website is using this modern, high-speed compression technology.

Let’s explore what Brotli is, why it matters, and how a Brotli Checker can help improve your website’s performance and SEO ranking.

What Is Brotli Compression?

Brotli is a next-generation compression algorithm developed by Google. It makes web files smaller so they can load much faster in browsers. Unlike older methods such as Gzip, Brotli offers better compression rates and faster page delivery, especially for websites that use HTTPS.

In simple terms, Brotli takes large website files and squeezes them into smaller sizes before sending them to your visitors’ browsers. This means:

Web pages load quicker

Data use is reduced

Users have a smoother experience

Most modern browsers, including Chrome, Firefox, and Safari, already support Brotli compression. However, not all websites or servers have it enabled — and that’s where a Brotli Checker becomes very useful.

Why Should You Use a Brotli Checker?

Using a Brotli Checker is one of the easiest ways to see if your website is taking full advantage of this modern compression method. Here are some strong reasons to use one:

Improved Loading Speed: Brotli can compress files up to 20–30% smaller than Gzip. A checker helps you confirm if your site is using it.

Better SEO Rankings: Google rewards faster websites with higher search visibility.

User Satisfaction: Visitors stay longer when your pages load quickly and smoothly.

Data Savings: Brotli reduces data transfer, which benefits both users and hosting providers.

Server Efficiency: Smaller file sizes mean less strain on your server, improving overall performance.

By running a quick check, you can make sure your hosting provider or CDN (Content Delivery Network) is actually using Brotli compression correctly.

How to Use a Brotli Checker

Checking Brotli compression is fast and simple. You can use free online Brotli checker tools or even browser developer tools. Here’s how:

1. Online Brotli Checker Tools

Websites like tools.keycdn.com/brotli-test, Checkbrotli.com, or Geekflare Brotli Test allow you to enter your website’s URL. Within seconds, you’ll see whether Brotli is active and how efficiently it’s compressing your files.

2. Using Browser Developer Tools

Open your site in Chrome or Firefox, press F12, and go to the Network tab. Then reload your page and check the response headers. If you see content-encoding: br, it means Brotli compression is working.

3. Command Line Method

For tech users, simply run this command:

curl -I -s https://example.com | grep content-encoding


If you get “br” as a result, congratulations — Brotli is enabled!

Using a Brotli Checker is a quick and smart way to confirm that your website is running at top speed. Since page speed directly affects both user experience and SEO rankings, enabling Brotli compression is a small step that brings big results. So, check your site today and make sure it’s optimized for the modern web.