For an effective google promotion campaign, lots of tricks are initiated by the SEO Company in Delhi to target the keywords on the top rank over the search engines. Among them, social bookmarking is the one that helps in influential indexation of the website and the links on the Google and other prominent search engines. Many of you find great confusion on the effects posed by social bookmarking in up hailing the search engine optimization campaign. For them, here are given some reasons why social bookmarking is considered as an imperative part of google promotion planning.