What is the function of HTML HTML

definition: HTML was developed in the early 1990s. HTML is short forHypertext Markup Language, a markup language on the Internet. Together with CSS and other techniques, HTML is used to display web pages in web browsers. The task of the HTML is to create theStructure content. The CSS is responsible for the "design". Here you can get more information.

In addition to the content, HTML also records theMeta information in the head of a website, such as B. the title tag, the meta description, language or commands to search engines. In the area of ​​search engine optimization, HTML therefore has a very important function.


Why was HTML developed?

Write HTML


Why was HTML developed?

Since 1989 inCERN (European Organization for Nuclear Research) if a solution was needed to exchange research results with one another, the first version of HTML was created in 1992. In November 1995 the version 2.0 was published, which among other things. theForm technology introduced. Version 3.2 was released on January 14, 1997, since it has been possible toTables and text flow around imagesto be distinguished. An important step forward was the introduction of version 4.0 on December 18, 1997:Style sheets, frames and scriptswere introduced. Thus, the content could be strictly separated from the design. This standard lasted with small corrections until 2014. In the meantime cameXHTML in the browser from January 2000, but was then replaced byHTML5, the current version.

Write HMTL

Hypertext Markup Language can be used in allText editors to be written. HTML usedTags, i.e. textual, standardized elements. These tags occur in the head and in the body. In the head z. B. the title tag mentioned above. in the body one uses z. B. H tags for a heading hierarchy. There are hierarchy levels hereH1-H6. Further tags for structuring are"p" (Paragraph) for paragraphs,"li" for lists and formatting tags like "strong", "bold" or "em" (emphasis) for generalStresses and emphasis. Other elements such as the "a" element are very important to theTo link from other sides.

Head and body are separated from each other, with a typical HTML structure in the first line describing which type of document and which precise markup language it is. Here's an example:

Note the heresyntax: Tags are usually declared in pairs: with a start tag such as and the appropriate end tag, i.e. . Exceptions are so-called "self-closing" tags such as "/ br" (line break). You don't need an opening day. The definition is given in theDocument type definition (DTD) defined by default. Failure to adhere to this syntax could result in errors in the display. If you want to check your HTML code, many sites on the Internet offer validators.

Further references:



A good and well-maintained website for learning HTML (and other languages ​​too) is SELFHTML.org

The following video series introduces development with HTML:

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