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First of all, you need to understand that most search engine programs were developed in the late 1990's, where at that time the number of web pages on the Internet were not as many as today, and also there were not as many deeper levels to the web sites.

Today, many search engines cannot go into the deeper layers of web pages. Many web sites today have, within just their own web site, their own search engine or database query to search just their own site for keywords. While many search engines can get you to the "home page" or top level of a website on a particular topic, the main search engines do not search the deeper levels of a website. This is sometimes called the "invisible web".

You can think of the Internet like an ocean. When fishermen throw out nets to catch fish, they only go so deep with their nets. We know that there are still today many levels of the ocean that are unexplored which probably has many species of fish have yet to be discovered.

However there are some websites that point to many of these other web sites that can find the "invisible web" or "deeper web" searches. Some of them are listed below.


See ResourceRecommendations. Feel free to add additional resources to these lists, but please follow the guidelines on ResourceRecommendations including ResourceRecommendations#Guidelines_for_Rating_Resources.


  • () ValHaring - 14 Sep 2002
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