Web 2.0 is the term given to describe a second generation of the World Wide Web that is focused on the ability for people to collaborate and share information online. Web 2.0 submission refer to sites like Hub pages and Squid where you can post content. Typically in SEO these are used to build back links pointing to your sites since these are high authority domains and often after each PR update.web 2.0 directory submission is most powerful technique rank keyword on search engine for fast rank and get quality backlink for website.
Top 100 High Authority Dofollow Web 2.0 Submission Sites
Following are the list of Top 100 High Authority Dofollow Web 2.0 Submission Sites by page rank to get instant quality backlink.