HTML or HyperText Markup Language is the main
markup language
for creating
web pages
and other information that can be displayed in a
web browser.
HTML is written in the form of
HTML elements
consisting of tags enclosed in
angle brackets
(like
<html>),
within the web page content. HTML tags most commonly come in pairs like
<h1>
and
</h1>,
although some tags represent empty elements and so are unpaired,
for example
<img>.
The first tag in a pair is the start tag, and the second tag is
the end tag (they are also called opening tags and
closing tags). In between these tags web designers can add text,
further tags,
comments
and other types of text-based content.
The purpose of a
web browser
is to read HTML documents and compose them into visible or audible web
pages. The browser does not display the HTML tags, but uses the tags to
interpret the content of the page.
HTML elements form the building blocks of all
websites.
HTML allows
images and objects
to be embedded and can be used to create
interactive forms.
It provides a means to create
structured documents
by denoting structural
semantics
for text such as headings, paragraphs, lists,
links,
quotes and other items. It can embed
scripts
written in languages such as
JavaScript
which affect the behavior of HTML web pages.
Web browsers can also refer to
Cascading Style Sheets
(CSS) to define the look and layout of text and other material. The
W3C,
maintainer of both the HTML and the CSS standards, encourages the use of
CSS over explicit presentational HTML.
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