Social Bookmarking is one of the best technique to getting a traffic in your websites and improving your web-page ranking. your can use following social bookmaring sites to getting traffic and improving web-page:
Deliciousc.om
Digg
Slashdot
Reddit
StumbleUpon
Clipmarks
Twitter
Pinterest
with the help of these soci-bookmarking sites we have to improving web-sites ranking and traffic.