Search results
Results from the WOW.Com Content Network
Microdata is an attempt to provide a simpler way of annotating HTML elements with machine-readable tags than the similar approaches of using RDFa and microformats. In 2013, because the W3C HTML Working Group failed to find someone to serve as an editor for the Microdata HTML specification, its development was terminated with a 'Note'.
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 XHTML, there were four valid attributes: content, http-equiv, name and scheme. Under HTML 5, charset has been added and scheme has been removed.
With Ajax, web applications can send and retrieve data from a server asynchronously (in the background) without interfering with the display and behaviour of the existing page. By decoupling the data interchange layer from the presentation layer, Ajax allows web pages and, by extension, web applications, to change content dynamically without ...
HTML defines several data types for element content, such as script data and stylesheet data, and a plethora of types for attribute values, including IDs, names, URIs, numbers, units of length, languages, media descriptors, colors, character encodings, dates and times, and so on. All of these data types are specializations of character data.
The donated data helped Common Crawl "improve its crawl while avoiding spam, porn and the influence of excessive SEO." [11] In 2013, Common Crawl began using the Apache Software Foundation's Nutch webcrawler instead of a custom crawler. [12] Common Crawl switched from using .arc files to .warc files with its November 2013 crawl. [13]
Web indexing, or Internet indexing, comprises methods for indexing the contents of a website or of the Internet as a whole. Individual websites or intranets may use a back-of-the-book index , while search engines usually use keywords and metadata to provide a more useful vocabulary for Internet or onsite searching.
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 .
In Internet Explorer (IE) versions 5 through 9, a conditional comment is text formatted as a comment in HTML source code with special syntax that IE interprets as a conditional statement. A conditional comment specifies whether to include or exclude code based on the evaluation of a conditional expression and is generally used to support ...