Add google analytics code on Prestashop portal

Google Analytics(GA) is used to Gain clear insights into important metrics about your customers. This tutorial shows how to add Google Analytics tracking code in PrestaShop.
Steps to add Google Analytics to your portal :

Fixing the blank white screen BUG on PrestaShop

 Prestashop is a very useful e commerce software. One of the common errors while fresh installation or upgrade  is a white screen. This is very disturbing to as there is  no error message telling you what is wrong.
 Mostly it is due to program running out of allowed memory as Prestashop 1.6 is a  bit more memory intensive than previous versions. This article will show you how to update your server for memory_limit to fix the most common cause of the white screen error.

Changing your Backend password in Prestashop

For good security you should regularly change your admin password. This helps prevent old passwords being guessed over time. This article will show you how to change password  within the Prestashop admin  panel

Steps to change the password:

Force www or non-www Prestashop

Today I encountered a very weird  issue my web portal made via Prestashop was opening  with non www and showing a blank screen on www.sitename.com. Prestashop webportals avoids double content in search engines, so by default the access can be given to either www or non www by prestashop portal but the customer is not aware what to type just your site name or www.sitename so to avoid conflict its better to keep both the urls but the www url should 301 redirect to the non www portal lets see how to do this.
Steps to update this setting: