Check GZIP compression

Enabling gzip compression on your script / webserver will not only help you achieving a greater score on Google PageSpeed Enable compression [1] test, but also allow a faster rendering time on your visitors browser.


Fix Google PageSpeed enable compression in PHP and htaccess

Enabling gzip compression on your script / webserver will not only help you achieving a greater score on Google PageSpeed Enable compression [1] test, but also allow a faster rendering time on your visitors browser.

Optimizing encoding and transfer size of text-based assets -- Web Fundamentals

Zlib compress example

The easiest way to achieve it, providing your are using PHP, is to add a few lines at the beginning of your PHP script to activate zlib output compression [2] and Check the GZIP compression on Google PageSpeed test:

PHP: Runtime Configuration - Manual

A good way to check if it works, is to perform a before / after test on gidnetwork (Fig 1) [3] for example.

GIDZipTest: Web Page Compression (Deflate / Gzip) Test - GIDNetwork

Enable compression htaccess

You can also add the following piece in your htaccess file, which will tell Apache to compress the corresponding files, providing the mod_deflate is activated on your server:

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For more details on Apache compression, please see the great articles about this subject on betterexplained.com [4] or www.cloudtech.ch [5].

How To Optimize Your Site With GZIP Compression | BetterExplained
Mod_deflate compressing html javascript and css files | cloudtech GmbH

For example, this allowed me to pass the Google PageSpeed [6] test Enable Compression [1] on a website, going up from a score of 72 on mobile (Fig 2) to 89 (Fig 3), and up from 79 (Fig 4) to 89 on desktop (Fig 5).

PageSpeed Insights

Yoann Bierling
About the author - Yoann Bierling
Yoann Bierling is a Web Publishing & Digital Consulting professional, making a global impact through expertise and innovation in technologies. Passionate about empowering individuals and organizations to thrive in the digital age, he is driven to deliver exceptional results and drive growth through educational content creation.


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