Articles tagged ‘apache’

Google (and other search engines) treats subdomains as different websites so if you are linked / accessed both via http://www.yourdomain.com and http://yourdomain.com you may get your content classified as duplicate since will be the same on both.

To avoid this simply add a rule to a .htaccess file in your root directory:

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_HOST} !^www\.yourdomain\.com [NC]
RewriteRule ^(.*)$ http://www.yourdomain.com/$1 [R=301,L]
</IfModule>

NOTE: You need to have mod_rewrite enabled in your server in order to do this.

One of the most common problems of working with email communication between the companies and its clients is that there isn’t a way of proving that user has received the email without making him click on a link to the company site thus confirming the read.

As most webmail and mail applications can read HTML emails (and most companies sends HTML emails anyway), we can take advantage of this to help transparently track the view.
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