If you enable GZIP compression in Apache web server, then it will compress data while sending responses, improve website speed & performance. Here’s how to enable GZIP compression in Apache. You can use these steps to enable GZIP compression for Apache in Ubuntu, CentOS. You can also use them to enable GZIP compression in WordPress
How To Enable GZIP Compression in Apache / WordPress
Here’s how to optimize website with GZIP compression. After you enable Gzip compression in Apache, you may want to use a dashboard software to monitor the key metrics about your website/application such as signups, traffic, sales, revenue, etc. using dashboards & charts, to ensure everything is working well.
1. Enable GZIP Module in Apache
First, we need to enable Gzip module in Apache. Debian/Ubuntu users can do this by running the following command in terminal
$ sudo a2enmod deflate
For RHEL/CentOS systems, you can open Apache configuration file at /etc/httpd/conf/httpd.conf
$ sudo vi /etc/httpd/conf/httpd.conf
and uncomment the following line by removing # at the beginning.
LoadModule deflate_module modules/mod_deflate.so
If you don’t find the above line, just add it.
Bonus Read : How to Install mod_evasive in Apache
2. Enable GZIP compression in .htaccess
If you have setup Apache Virtual Host, you can open the .htaccess file for your website and add the following lines in it. Else you can create a blank .htaccess file under main document root (/var/www/html)
$ sudo vim /var/www/html/.htaccess
Add the following lines to it
We use AddOutputFilterByType directive to tell Apache as to which file types to compress.
Bonus Read : How to Disable Apache Directory Listing
3. Restart Apache Server
Restart Apache server
## CentOS ##
sudo service httpd restart
## Ubuntu ##
sudo /etc/init.d/apache2 restart
How to Check If GZIP Compression is Enabled or Not
There are many free third-party tools online to test if Gzip compression is enabled on your site or not. Go to one of these tools and enter your website
You’ll see a output like the following
That’s it! Now Apache will compress server response before sending them to users. By the way, if you want to create charts & dashboards to monitor your business or website, you can try Ubiq. We offer a 14-day free trial.