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  2. HTML attribute - Wikipedia

    en.wikipedia.org/wiki/HTML_attribute

    HTML attributes are special words used inside the opening tag to control the element's behaviour. HTML attributes are a modifier of a HTML element type . An attribute either modifies the default functionality of an element type or provides functionality to certain element types unable to function correctly without them.

  3. Canonical link element - Wikipedia

    en.wikipedia.org/wiki/Canonical_link_element

    Canonical link element. A canonical link element is an HTML element that helps webmasters prevent duplicate content issues in search engine optimization by specifying the "canonical" or "preferred" version of a web page. It is described in RFC 6596, which went live in April 2012. [1][2]

  4. div and span - Wikipedia

    en.wikipedia.org/wiki/Div_and_span

    Once the HTML or XHTML markup is delivered to a page-visitor's client browser, there is a chance that client-side code will need to navigate the internal structure (or Document Object Model) of the web page.

  5. URL redirection - Wikipedia

    en.wikipedia.org/wiki/URL_redirection

    URL redirection, also called URL forwarding, is a World Wide Web technique for making a web page available under more than one URL address. When a web browser attempts to open a URL that has been redirected, a page with a different URL is opened. Similarly, domain redirection or domain forwarding is when all pages in a URL domain are redirected ...

  6. HTML - Wikipedia

    en.wikipedia.org/wiki/HTML

    e. Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It defines the content and structure of web content. It is often assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.

  7. W3Schools - Wikipedia

    en.wikipedia.org/wiki/W3Schools

    Active. W3Schools is a freemium educational website for learning coding online. [1][2] Initially released in 1998, it derives its name from the World Wide Web but is not affiliated with the W3 Consortium. [3][4][unreliable source] W3Schools offers courses covering many aspects of web development. [5] W3Schools also publishes free HTML templates.

  8. HTML element - Wikipedia

    en.wikipedia.org/wiki/HTML_element

    HTML. An HTML element is a type of HTML (HyperText Markup Language) document component, one of several types of HTML nodes (there are also text nodes, comment nodes and others). [vague] The first used version of HTML was written by Tim Berners-Lee in 1993 and there have since been many versions of HTML. The current de facto standard is governed ...

  9. Forward compatibility - Wikipedia

    en.wikipedia.org/wiki/Forward_compatibility

    Forward compatibility or upward compatibility is a design characteristic that allows a system to accept input intended for a later version of itself. The concept can be applied to entire systems, electrical interfaces, telecommunication signals, data communication protocols, file formats, and programming languages.