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Search engine indexing is the collecting, parsing, and storing of data to facilitate fast and accurate information retrieval.Index design incorporates interdisciplinary concepts from linguistics, cognitive psychology, mathematics, informatics, and computer science.
There are a variety of ways in which Wikipedia attempts to control search engine indexing, commonly termed "noindexing" on Wikipedia. The default behavior is that articles older than 90 days are indexed. All of the methods rely on using the noindex HTML meta tag, which tells search engines not to index certain pages. Respecting the tag ...
The crawler was integrated with the indexing process, because text parsing was done for full-text indexing and also for URL extraction. There is a URL server that sends lists of URLs to be fetched by several crawling processes. During parsing, the URLs found were passed to a URL server that checked if the URL have been previously seen.
In 2018, Google introduced dynamic rendering as another option for sites wishing to offer crawlers a non-JavaScript heavy version of a page for indexing purposes. [23] Dynamic rendering switches between a version of a page that is rendered client-side and a pre-rendered version for specific user agents.
Selenium Remote Control was a refactoring of Driven Selenium or Selenium B designed by Paul Hammant, credited with Jason as co-creator of Selenium. The original version directly launched a process for the browser in question, from the test language of Java, .NET, Python or Ruby.
Apache Lucene is a free and open-source search engine software library, originally written in Java by Doug Cutting.It is supported by the Apache Software Foundation and is released under the Apache Software License.
A page can be set to Not Index in a number of ways. Web crawlers used by search engines check for a file called " robots.txt " on the root of a webserver, and use that to set global parameters for which paths on the site can be accessed by the crawler.
Google Desktop: Linux, Mac OS X, Windows: Integrates with the main Google search engine page. As of September 14, 2011, Google has discontinued this product. Freeware ISYS Search Software: Windows: ISYS:Desktop search software. Proprietary (14-day trial) KRunner: Linux: Locate32: Windows: Graphical port of Unix's locate & updatedb BSD License ...