I found this useful and thought I would share !
List of common generic domain name extensions
.COM .INFO .NET .ORG
List of restricted TLD / Domains
.BIZ Restricted for Business .NAME Reserved for individuals .PRO Restricted to credentialed professionals and related entities List of country codes / country domain name extensions
.AC Ascension Island [...]
I was trying to list out all the causes of duplicate content – well accidental duplication.
Here is the list to date
Inconsistent URLs and links, especially search results or inventory via different attribute routes Similar products or bundles of products with similar description, this can be on your sites of resellers Print friendly pages [...]
We spend a lot of time ‘optimising’ our sites, adding content, building links, keeping the site fresh and ensuring that it all links up nicely.
But, in many corporates, server hygiene and best practice is commonly overlooked. This is normally by omission rather than any kind of malice.