Many web directories are actually inclined to beopen source and it is customizable. This allows the end users to updatethe information regarding websites by themselves though the editors doa final check of the updated information. One such mentioned opensource web directory is aboutus.org and this is a subsidiary ofWikipedia.

Modes of categorization

Websites are oftencategorized using hundreds of modes. The most common of them here allare location, language and specialization. These sites along with othermodes like age and gender, are explicit categorization criteria. Withthe growing importance just to search engine rankings and trafficrankings, the focus has shifted towards keywords too in scenario. Fewweb directories have started classify the websites based on keywordsand have started using tags to fetch website results based on keywords.

Mostof the web directories right other than those that are open sourcedoperates on a paid basis. The fee charged may be a one-time fee thatfor account creation or on an exchange basis where the directoriesdemand posting of the back-links within the website content, blogs orarticles. These back links redirect back to the original web directoryso that in turn earns them more traffic and, hence, a growing page rank.
Paid Directories
Consideringthe huge amount of traffic that web directories garner, it has become atrend for third party websites to pay to the web directories for theirinclusion in the listings. These paid inclusions are also known as bidfor position web directories. Such bid for position inclusions rake ina lot of profit for the directories which are sometimes equivalent tothe profits brought in by advertisements.

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