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  2. W3C Markup Validation Service - Wikipedia

    en.wikipedia.org/wiki/W3C_Markup_Validation_Service

    W3C Markup Validation Service. Tag certifying that a website has been checked for well-formed XHTML (above) and CSS (below) markup. The Markup Validation Service is a validator by the World Wide Web Consortium (W3C) that allows Internet users to check pre-HTML5 HTML and XHTML documents for well-formed markup against a document type definition.

  3. Software verification and validation - Wikipedia

    en.wikipedia.org/wiki/Software_verification_and...

    t. e. In software project management, software testing, and software engineering, verification and validation ( V&V) is the process of checking that a software system meets specifications and requirements so that it fulfills its intended purpose. It may also be referred to as software quality control.

  4. Verification and validation - Wikipedia

    en.wikipedia.org/wiki/Verification_and_validation

    For validation of tests, see Test validity. Verification and validation (also abbreviated as V&V) are independent procedures that are used together for checking that a product, service, or system meets requirements and specifications and that it fulfills its intended purpose. [1] These are critical components of a quality management system such ...

  5. CSS HTML Validator - Wikipedia

    en.wikipedia.org/wiki/CSS_HTML_Validator

    Website. www .htmlvalidator .com. CSS HTML Validator (previously named CSE HTML Validator) is an HTML editor and CSS editor for Windows (and Linux when used with Wine) that helps web developers create syntactically correct and accessible HTML / HTML5, XHTML, and CSS documents by locating errors, potential problems like browser compatibility ...

  6. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in U.S. Patent No. 2,950,048, granted on August 23, 1960.

  7. Help:Markup validation - Wikipedia

    en.wikipedia.org/wiki/Help:Markup_validation

    Help:Markup validation. The W3C Markup Validation Service lets editors check web pages for conformance to HTML and XHTML standards. It is helpful for catching minor problems such as duplicate section names or citation IDs. Although most major browsers will tolerate many of the errors, and will display a document successfully even if it contains ...

  8. Landing page - Wikipedia

    en.wikipedia.org/wiki/Landing_page

    A landing page is a webpage that is displayed when a potential customer clicks an advertisement or a search engine result link. This webpage typically displays content that is a relevant extension of the advertisement or link. LPO aims to provide page content and appearance that makes the webpage more appealing to target audiences.

  9. Wikipedia:Verification methods - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Verification_methods

    Verification methods. These examples show several common methods that Wikipedia editors use to make their articles verifiable. Wikipedia editors are free to use any of these methods, or to develop newer methods—no particular method is preferred. However some method is required and each article must use the same method throughout the entire ...