.Edu links come from sites which belong to educational institutions/accredited universities and are known to provide valuable, reliable and latest information on the internet. Since these websites are followed by highly qualified professionals and generate high traffic on a daily basis, search engines (in particular Big G) value .edu backlinks the most
From a link building perspective these websites have the following advantages:
- Only universities/educational institutes can apply for .edu domain; therefore inbound link from .edu domain counts.
- .Edu domains have high pagerank to provide enough link juice to boost your SERP