There are 5 different types of social sites. Here is a PDF that has published the top ones in each category

Da qualche tempo, come avrete notato, sto trattando il tema del Traffico web poichè, inutile negarlo, i visitatori del nostro Blog/Sito Internet sono alla base del successo dello stesso e, di conseguenza, del nostro eventuale Business Online...  Oggi, al riguardo, vorrei porre ad ognuno di voi una domanda...  Ti sei mai rivisto in questa Scena?!?

There are too many social bookmark in the world. It will be a problem for webmaster or blogger to send their story to all the social bookmark, one by one. However, Bookmarkindo try to provide service to send to many social bookmark in one click. So far It’s already collaborate with 10  social bookmark listing below. Later, Bookmarkindo will increase the amount of social bookmark to be collaborated.

The problem of submitting blogs and articles to most of popular social
boomarks websites is most of them just keep the story at the upcoming
pages if that story not get enough votes. It off course will make your
story get very little traffic. So? Try to use this some alternatives.

For bloggers and webmasters, we have a list of 150+ social bookmarking site. Find it on the link below: