Free GZIP Compression Checker Tool

The GZIP compression will save up to 50 - 75% of the server bandwidth. Use our free GZIP Compression Checker to test whether a webpage is compressed or not and how much is the size saved with compression.

GZIP Compression Checker

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About GZIP Compression Checker

GZIP Compression

Compressing and serving the content of a webpage will drastically reduce the page load time and network bandwidth. The popular way of compression is called GZIP which can save up to 50 - 75% of the server bandwidth. Use our free GZIP Compression Checker tool to test any webpage is compressed or not and how much is the size saved with the compression.

Why You Should Compress?

Well, you might be wondering why site owners should serve the webpages in a compressed format. The answer is simple – for saving cost and showing fast loading pages to users. Less cost and high speed of loading is key to get more net revenue from any websites. Many of the hosting companies offer pricing plans based on the network bandwidth used per month. The bandwidth consumption will be very high when you serve uncompressed pages on the network. This will result in hefty billing for hosting your site. The solution is to compress and serve the pages so that the consumption will be reduced over 70%. This will save large amount of money.

Second part is page loading speed. The uncompressed pages will take lot of time to load on the browser. This will result in bad user experience and the users tend to leave the site. Fewer users will directly affect your revenue.

How the Compression Works?

In order to understand how the compression works, first you should understand how the webpage is retrieved from the server to a browser over HTTP (or HTTPS).

HTTP Request and Response

Unlike old browsers, modern day browsers are capable of receiving compressed files from server and showing the extracted content to user. So the task is to enable compression at server level to ensure the requested pages are server as a compressed files. Learn how to enable compression on your server.

What is GZIP?

There are few ways to compress the files and send them on network. GZIP one of the popular easy ways to do the compression of webpages. GZIP is a file format used to serve compressed files over the network. Generally hosting servers distribute the files in GZIP format to save bandwidth and hosting cost.

You can enable GZIP compression from your cPanel hosting account. Or get in touch with your hosting company to enable GZIP compression on your server.


Serving the web pages in a compressed GZIP format will help in the following things:

  • Save 50 - 75% network bandwidth
  • Low hosting cost
  • High page loading speed
  • Better user experience
  • High search engine ranking

Simply, all these things put together will help to improve the revenue generated from your site.

Check GZIP Compression of Your Site

As the advantages are evident, ensure your hosting server is enabled with GZIP compression or you serve the files in compressed format. Our free GZIP Compression Checker tool allows you verify whether the site is being compressed or not! Check how much size and the percentage of saving done using this tool for free.

How to Use GZIP Compression Checker Tool?

Simply enter the site or page URL and hit submit button. You will see the result with the following details:

  1. Status - You will see the status of whether GZIP compression is enabled or not for the entered webpage. Remember GZIP compression should be enabled on your web server. This toll will show whether it is enabled, it will not help in enabling GZIP compression for you.
  2. Size - The table will show the size of the webpage your entered when it is compressed with the size when it is not compressed.
  3. Saving - The chart will show you how much percentage of savings is achieved due to GZIP compression.
  4. Header Information - You may be wondering what is the use of this header information. When the page is served as a compressed file, the web server will send a parameter in the header of the response to the browser. This parameter should be available like below in the header: Content-Encoding: gzip. This is a indication that the server sends a compressed file in GZIP format.

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