The Evolution and Revolution of Search Engines - The next evolutionary...
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The next evolutionary step of the search engine was the introduction of “robots.” The first use of robot technology was in the search engine World Wide Web Wanderer. Simply what robots would do is scan the internet for URL’s, starting at one site and using the links in the previous site to find more sites. The problems with these first robots were that if they were not written properly they would cause too many hits on a server decaying the systems performance.
To combat these initial problems Martjin Koster came out with the first web directory called “Aliweb” in October 1993. Web directories are different than search engines because the sites listed in them are not from automated robots, but rather from human editors reviewing sites and placing them in the directory.
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