Recommendations

PageSpeed
YSlow

PageSpeed: Enable Keep-Alive

Overview

Enabling HTTP Keep-Alive or HTTP persistent connections allow the same TCP connection to send and receive multiple HTTP requests, thus reducing the latency for subsequent requests.

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Enabling Keep-Alive connections in Apache

Apache enables Keep-Alive connections by default, however you can explicitly turn them on by adding the following line to your httpd.conf file.

KeepAlive On

Having said that, if your site is running on a shared host, you probably won't have access to httpd.conf and will therefore have to live with whichever setting your hosting provider has chosen. Contrary to what some websites suggest, adding a Header set Connection keep-alive directive to your .htaccess file will not actually enable Keep-Alive connections, but it will send browsers misleading information about the server's capabilities.

Summary

Server
High
Easy
92%