The Google Supplemental Index
This is not strictly a penalty in and of itself, but it may be the result of one. Google stores its crawled search data in two ...
Duplicate Content Penalty
Search Engine attempt to avoid indexing multiple copies of the same content-duplicate content. Many search engine optimization ...
The Expired Domain Penalty
I’ve seen many people tend to purchase the expired domains which, once had good ranking in the search result, the reason ...
