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  2. Link relation - Wikipedia

    en.wikipedia.org/wiki/Link_relation

    A link relation is a descriptive attribute attached to a hyperlink in order to define the type of the link, or the relationship between the source and destination resources. The attribute can be used by automated systems, or can be presented to a user in a different way. In HTML these are designated with the rel attribute on link, a, or area ...

  3. Resource Directory Description Language - Wikipedia

    en.wikipedia.org/wiki/Resource_Directory...

    This element is a simple XLink (that is, it has an xlink:type attribute with the value simple) and its xlink:href attribute points to the related resource. Furthermore, the xlink:role attribute identifies the nature of the related resource and the optional xlink:arcrole attribute identifies the purpose of the related resource.

  4. Canonical link element - Wikipedia

    en.wikipedia.org/wiki/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.

  5. HTML element - Wikipedia

    en.wikipedia.org/wiki/HTML_element

    An HTML document is composed of a tree of simple HTML nodes, such as text nodes, and HTML elements, which add semantics and formatting to parts of a document (e.g., make text bold, organize it into paragraphs, lists and tables, or embed hyperlinks and images). Each element can have HTML attributes specified. Elements can also have content ...

  6. Meta element - Wikipedia

    en.wikipedia.org/wiki/Meta_element

    Meta elements can be used to specify page description, keywords and any other metadata not provided through the other head elements and attributes. [1] The meta element has two uses: either to emulate the use of an HTTP response header field, or to embed additional metadata within the HTML document. With HTML up to and including HTML 4.01 and ...

  7. Hyperlink - Wikipedia

    en.wikipedia.org/wiki/Hyperlink

    Image hyperlink. Hyperlink is embedded into an image and makes this image clickable. Bookmark hyperlink. Hyperlink is embedded into a text or an image and takes visitors to another part of a web page. E-mail hyperlink. Hyperlink is embedded into e-mail address and allows visitors to send an e-mail message to this e-mail address. [4]

  8. Anchor text - Wikipedia

    en.wikipedia.org/wiki/Anchor_text

    The HTML specification does not have a specific term for anchor text, but refers to it as "text that the a element wraps around". In XML terms (since HTML is XML), the anchor text is the content of the element, provided that the content is text. [3] Usually, web search engines analyze anchor text from hyperlinks on web pages.

  9. HTML form - Wikipedia

    en.wikipedia.org/wiki/HTML_form

    The target PHP file then accesses the data passed by the form through PHP's $_POST or $_GET variables, depending on the value of the method attribute used in the form. Here is a basic form handler PHP script that will display the contents of the first_name input field on the page: form.html