Magento Site Performance Optimization
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Chapter 2<br />
Configuration tweaks<br />
In the following subsection, we will tweak the Apache configuration in order to<br />
improve its performance. We will see the mod_deflate and keepAlive modules and<br />
set the maximum number of processes that Apache can create.<br />
Using mod_deflate<br />
Apache2 can be configured via the .htaccess files. The .htaccess files are the files<br />
that can configure web servers at the directory level. As such, you can tweak your<br />
configuration depending on the web application you host in each directory. <strong>Magento</strong><br />
does embed a .htaccess file that contains a commented optimization. The first thing<br />
we will do is to uncomment everything between and<br />
. The complete piece of code looks like the following:<br />
<br />
AddOutputFilterByType DEFLATE text/html text/plain text/xml<br />
text/css text/javascript<br />
BrowserMatch ^Mozilla/4 gzip-only-text/html<br />
BrowserMatch ^Mozilla/4.0[678] no-gzip<br />
BrowserMatch bMSIE !no-gzip !gzip-only-text/html SetEnvIfNoCase<br />
Request_URI .(?:gif|jpe?g|png)$ no-gzip dont-vary Header append<br />
Vary User-Agent env=!dont-vary<br />
<br />
Then, you can activate the deflate mode by typing the following command:<br />
sudo a2enmod deflate<br />
Finally, you can restart Apache2 in order to load the new configuration:<br />
sudo /etc/init.d/apache2 restart<br />
Let's find out if this simple tweak improves our performances. The following is the<br />
result of the test after using mod_deflate:<br />
Document Path:<br />
Document Length:<br />
/magento/index.php/furniture/living-room.html<br />
36634 bytes<br />
Concurrency Level: 5<br />
Time taken for tests: 49.228 seconds<br />
Complete requests: 100<br />
Failed requests: 0<br />
Write errors: 0<br />
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