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Microformats
Microformats (μF) are predefined HTML markup (like HTML classes) created to serve as descriptive and consistent metadata about HTML element, elements, designating them as representing a certain type of data (such as address book, contact information, geographic coordinate system, geographic coordinates, events, products, recipes, etc.). They allow software agent, software to process the information reliably by having set classes refer to a specific type of data rather than being arbitrary. Microformats emerged around 2005 and were predominantly designed for use by search engines, web syndication and news aggregator, aggregators such as RSS. Google confirmed in 2020 that it still parses microformats for use in content indexing. Microformats are referenced in several W3C social web specifications, including IndieAuth and Webmention. Although the content of web pages has been capable of some "automated processing" since the inception of the web, such processing is difficult bec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nofollow
nofollow is a setting on a web page hyperlink that directs search engines not to use the link for page ranking calculations. It is specified in the page as a type of link relation; that is: <a rel="nofollow" ...>. Because search engines often calculate a site's importance according to the number of hyperlinks from other sites, the nofollow setting allows website authors to indicate that the presence of a link is not an endorsement of the target site's importance. Concept and specification The nofollow value was originally suggested to stop comment spam in blogs. Believing that comment spam affected the entire blogging community, in early 2005 Google's Matt Cutts and Blogger's Jason Shellen proposed the value to address the problem. The specification for nofollow is copyrighted 2005–07 by the authors and subject to a royalty-free patent policy, e.g. per the W3C Patent Policy 20040205, and IETF . Example Link content Introduction and support Google announc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |