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HTML

HTML is the standard markup language for creating web pages and applications. It provides the structure of content, using elements and tags to mark headings, paragraphs, links, images, and other resources. It works with CSS for presentation and JavaScript for behavior.

HTML was created by Tim Berners-Lee in 1991 as a simple markup language for documents on the

Structure and syntax: content is marked up with elements such as html, head, body; elements use start

Standards, validators, and usage: HTML is defined by standards from W3C and WHATWG; browsers implement the HTML

early
World
Wide
Web.
Over
the
1990s
it
evolved
through
HTML
4
and
XHTML
1.0.
HTML5,
co-developed
by
WHATWG
and
the
W3C,
is
a
living
standard
that
continues
to
evolve,
emphasizing
interoperability,
multimedia
support,
and
semantics.
To
ensure
standards
mode
in
browsers,
documents
begin
with
the
doctype
declaration
<!DOCTYPE
html>.
and
end
tags;
attributes
provide
extra
information;
typical
elements:
head,
title,
meta,
link,
script,
body,
header,
nav,
main,
section,
article,
aside,
footer,
p,
h1-h6,
a,
img,
ul/ol/li,
table,
form,
input,
button.
Nesting
rules,
semantic
elements
vs
div/spans.
Encoding
via
meta
charset="UTF-8".
Living
Standard
and
related
APIs.
Validation
tools
help
check
syntax
and
conformance.
Accessibility
considerations
include
alternative
text
for
images,
proper
headings,
and
semantic
elements.
HTML
works
with
CSS
for
presentation
and
JavaScript
for
behavior,
while
semantics
support
search
engines
and
assistive
technologies.
The
language
continues
to
evolve
with
emphasis
on
structure,
accessibility,
and
interoperability.