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The importance of a page is a function of its intrinsic quality, its popularity in terms of links or visits, and even of its URL (the latter is the case of vertical search engines restricted to a single top-level domain, or search engines restricted to a fixed Web site). Designing a good selection policy has an added difficulty: it must work ...
Heavy spidering can lead to your spider, or your IP, being barred with prejudice from access to the site. Legitimate spiders (for instance search engine indexers) are encouraged to wait about a minute between requests, follow the robots.txt, and if possible only work during less loaded hours (2:00–14:00 UTC is the lighter half of the day).
A website (also written as a web site) is one or more web pages and related content that is identified by a common domain name and published on at least one web server. Websites are typically dedicated to a particular topic or purpose, such as news, education, commerce, entertainment, or social media .
Website change detection allows interested parties to be alerted when a website has changed. A web crawler can periodically scan a website to see if any changes have occurred since its last visit. Reasons to track website changes include: Enhanced automation: Triggering in Event-driven programming
Web scraping is the process of automatically mining data or collecting information from the World Wide Web. It is a field with active developments sharing a common goal with the semantic web vision, an ambitious initiative that still requires breakthroughs in text processing, semantic understanding, artificial intelligence and human-computer interactions.
Pages for logged out editors learn more. Contributions; Talk; Spidering
Wikipedia is an online free-content encyclopedia that you can edit and contribute to. Wikipedia co-founder Jimmy Wales has described Wikipedia as "an effort to create and distribute a free encyclopedia of the highest possible quality to every single person on the planet in their own language." Wikipedia exists to bring knowledge to everyone who ...
Uncyclopedia – is a satirical website that parodies Wikipedia. Its logo, a hollow "puzzle potato", parodies Wikipedia's globe puzzle logo, and it styles itself "the content-free encyclopedia", which is a parody of Wikipedia's slogan, "the free encyclopedia". The project spans over 75 languages.