Mediabot is the name given to the web crawler A Web crawler is a computer program that browses the World Wide Web in a methodical, automated manner or in an orderly fashion. Other terms for Web crawlers are ants, automatic indexers, bots, or Web spiders, Web robots, or—especially in the FOAF community—Web scutters that Google Google Inc. is a multinational public cloud computing, Internet search, and advertising technologies corporation. Google hosts and develops a number of Internet-based services and products, and generates profit primarily from advertising through its AdWords program. The company was founded by Larry Page and Sergey Brin, often dubbed the " uses to crawl webpages for purposes of analysing the content so Google AdSense AdSense is an ad serving application run by Google Inc. Website owners can enroll in this program to enable text, image, and video advertisements on their websites. These advertisements are administered by Google and generate revenue on either a per-click or per-impression basis. Google beta tested a cost-per-action service, but discontinued it in can serve contextually relevant Contextual advertising is a form of targeted advertising for advertisements appearing on websites or other media, such as content displayed in mobile browsers. The advertisements themselves are selected and served by automated systems based on the content displayed to the user advertising to the page.

Mediabot visits those pages running AdSense ads that have not blocked its access via a robots.txt The Robot Exclusion Standard, also known as the Robots Exclusion Protocol or robots.txt protocol, is a convention to prevent cooperating web spiders and other web robots from accessing all or part of a website which is otherwise publicly viewable. Robots are often used by search engines to categorize and archive web sites, or by webmasters to file A computer file is a block of arbitrary information, or resource for storing information, which is available to a computer program and is usually based on some kind of durable storage. A file is durable in the sense that it remains available for programs to use after the current program has finished. Computer files can be considered as the modern and it's a Google recommendation that webmasters specifically add a command to their robots.txt file granting Mediabot access to the entire site[1]. Here is how to do it:

User-agent: Mediapartners-Google*
Disallow:

The Mediabot identifies itself with the user agent A user agent is a client application implementing a network protocol used in communications within a client–server distributed computing system. The term most notably refers to applications that access the World Wide Web, but other systems, such as the Session Initiation Protocol , use the term user agent to refer to both end points of a string "Mediapartners-Google/2.1".

The Mediabot revisits pages on a regular, but unpredictable basis. Changes made to a page therefore do not immediately cause changes to the ads displayed on the page. Note that ads can still be shown on a page even if the Mediabot has not yet visited it, in which case the ads chosen will be based on the overall theme of the other pages on the site. If no ads can be chosen, public service announcements are displayed instead.

You can keept some parts of the text of being crawled ussing:

google_ad_section_start(weight=ignore) -->

-- google_ad_section_end -->

References

  1. ^ Google AdSense Help Center: "How do I grant access to your crawler?"
This World Wide Web The World Wide Web, abbreviated as WWW and commonly known as the Web, is a system of interlinked hypertext documents accessed via the Internet. With a web browser, one can view web pages that may contain text, images, videos, and other multimedia and navigate between them by using hyperlinks. Using concepts from earlier hypertext systems, British-related article is a stub. You can help Wikipedia by expanding it.
This computer software Computer software, or just software, is a general term primarily used for digitally stored data such as computer programs and other kinds of information read and written by computers. Today, this includes data that has not traditionally been associated with computers, such as film, tapes and records. The term was coined in order to contrast to the article is a stub. You can help Wikipedia by expanding it.

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