I was searching for a way to track links posted in an email campaign or a newsletter and I saw that Google Analytics provide us with a great tool for this issue.

You can define your own custom email campaigns to track the efficiency of your emails and improve the ones that fail to get you the desired results based on real reports not on personal opinions.

Now I’ll show you how to edit your links so that they can be tracked by your Google Analytics account:
Normal link example:

http://www.example.com/landing-page.php

Hotlinking to media present on another domain is the practice of using files hosted on other people domains. Leeching other peoples bandwidth is not a nice thing to do, so if you find someone hotlinking media files from your site, you can stop it and regain control of your bandwidth consumption.

You need to edit your .htaccess file. You can even mess things up a little for them by setting a default media file that will be shown instead of the media file they would like to display.

Open your .htaccess (or create a new one), and add these lines:

Most of the javascript libraries files are more then 100KB in size which makes downloading them quite time consuming not to mention that your band width consumption will suffer.

In order to eliminate these problems you can use Google’s Ajax Libraries API. Google hosts these frequently used files, including the versions of popular javascript frameworks like jQuery MooTools, YUI, Dojo, Prototype, and more.

Here are some of the benefits for using Google’s Ajax Libraries API: