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Social Bookmarks rule the Web. See what others like an go for your favorite Sites.
Users can add their own bookmarks, delete, rate, comment, or with categories or keywords (engl. tag) provided. They also have insight into the bookmarks of other users that may be incorporated into their own collection. Social Bookmarks can be depending on the service for keywords, keyword combinations users browse or list the items and categories. Moreover, in many cases, a list of recently saved bookmarks from all users on the home page and a list of popular links. Each of these lists can be traced with the help of an RSS feed. Most providers offer a social bookmarking site list of thematically related links and related tags. Other features that are there but not all providers are group functions, e-mail and networking between individual users, import and export of bookmark files and search toolbars and extensions for different browsers.
Even in terms of search engine optimization can be interesting social bookmarks. They allow not only to make a website known, but may also contribute to additional back-references. Linking various social bookmarking services on its own website offers visitors the opportunity on the other hand, this web page with a few clicks on their favorite social bookmark service store as a bookmark can be, thus increasing the likelihood that your website is bookmarked. However, excessive submit your own website in various social bookmarking services is undesirable and is considered as spam. Many such "self-advertiser" mistakenly believe that they can use social bookmarking service for free to the increase link popularity. In the eyes of the operators of social bookmarking services, but they should not serve as an advertising platform for user-specific Internet sites. Thereby preventing many services the follow-on links, in that these are marked with the nofollow attribute or blocked by the Robots Exclusion standard protocol.
On the other hand, takes this opportunity to search engine optimization is that some of these bookmarking services are built only as an optimization project of the operator. In this case, be seen by registered Bookmarks only an extremely limited and users are only meant to link building. Recognize these pure SEO projects are many entries that point to the same sites, at low valuation numbers and a sluggish community.