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  2. 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.

  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. 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.

  5. 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.

  6. 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.

  7. HTML form - Wikipedia

    en.wikipedia.org/wiki/HTML_form

    HTML form. A webform, web form or HTML form on a web page allows a user to enter data that is sent to a server for processing. Forms can resemble paper or database forms because web users fill out the forms using checkboxes, radio buttons, or text fields. For example, forms can be used to enter shipping or credit card data to order a product ...

  8. List of XML and HTML character entity references - Wikipedia

    en.wikipedia.org/wiki/List_of_XML_and_HTML...

    In HTML and XML, a numeric character reference refers to a character by its Universal Character Set / Unicode code point, and uses the format: &#xhhhh; or. &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form. The hhhh (or nnnn) may be any number of ...

  9. Marquee element - Wikipedia

    en.wikipedia.org/wiki/Marquee_element

    The marquee tag is a non-standard HTML element which causes text to scroll up, down, left or right automatically. The tag was first introduced in early versions of Microsoft 's Internet Explorer, and was compared to Netscape 's blink element, as a proprietary non-standard extension to the HTML standard with usability problems.