This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc. If you wish to validate specific content such as RSS/Atom feeds or CSS stylesheets, MobileOK content, or to find broken links, there are other validators and tools available.
Hyper Text Markup Language (HTML) is a markup language for creating a webpage. Webpages are usually viewed in a web browser. They can include writing, links, pictures, and even sound and video. HTML is used to mark and describe each of these kinds of content so the web browser can display them correctly. HTML basics - HTML tutorial. B asically, a computer sees an "A" as simply an "A" - whether it is bold, italic, big or small. T o tell the browser that an "A" should be bold we need to put a markup in front of the A. The browser will enable autocomplete functions. This can however be overriden for each control individually. Try pressing "down" in this input. It will show previously entered email addresses. Line Break Tag. Whenever you use the
element, anything following it starts from the next line. This tag is an example of an empty element, where you do not need opening and closing tags, as there is nothing to go in between them.
HTML comments are visible to anyone that views the page source code, but are not rendered when the HTML document is rendered by a browser.: It’s Code For Declaring A DOCTYPE In HTML5: The declaration is used to inform a website visitor's browser that the document being rendered is an HTML document.
Inspect an HTML Element: Right-click on an element (or a blank area), and choose "Inspect" or "Inspect Element" to see what elements are made up of (you will see both the HTML and the CSS). You can also edit the HTML or CSS on-the-fly in the Elements or Styles panel that opens.
HTML - Simple English Wikipedia, the free encyclopedia