Meta tags forgotten: "NOODP" "NOYDIR"

By Adrián Coutin

Short History

Backlinks from directories were links with high value for any web pages. Directories as Dmoz and Yahoo! were used for link builders as main sources of quality links some time ago.

Dmoz was the most important directory for Google. In fact it was the  Google Directory source some time, when directories were used as information source. Dmoz is, in fact, a directory edited for humans so linkbuilders can't manipulate very easy. I remember some years ago, probably 2008, that SEO expert Danny  Sullivan said that obtain an link from Dmoz is the same that win the lottery.