Outer Meta Data : Users who bookmark destinations label them with catchphrases and depictions which include a legit and fair definition which is made by general society and not the proprietor of the site.
Co Citation : Social bookmarking locales have a tendency to order destinations and pages based upon the labels utilized by people to depict the site; along these lines look calculations can group these destinations with their companions.
Number of Votes : Similar to the quantity of bookmarks, the more votes a page gets on Digg or Reddit, the more helpful that data generally is. On the off chance that the same page gets various votes over different social news voting locales, the higher quality the site.
Classification : Like Co Citation, order can characterize the subject of a site, in this manner better helping the motor location searcher goal.
To share the abundance of social bookmarking, I’ve assembled a rundown of 125 social bookmarking destinations, some of which are exceptionally mainstream and others which are more up to date or to some degree unbelievable. In any case, other than focusing on the significant social bookmarking locales, you will discover a few treasures waiting to be discovered which are corner situated or treated well by Google and other web indexes.