Adirectories.com offers links to search engines and web directory websites relating to SEO, SEM, specialized web directory, business, travel, media, health, classified, search engines information and resources.
Services include a site-level search engine service for webmasters, an add URL function to allow webmasters to gain exposure for their websites, and an auction meta-search engine.
Spider based search engine indexes sites that are currently listed on the larger directories on the Internet then decends a few link levels lower on these sites to create its index.
