The standard markup language for structuring web pages.
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What is HTML
The standard markup language for structuring web pages.
GitHub Linguist classifies HTML as a markup language, typically using extensions such as .html, .hta, .htm, .html.hl, .inc, .xht.
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The standard markup language for structuring web pages.
Common extensions include .html, .hta, .htm, .html.hl, .inc.
Sources & standards
Updated 2026-09-13
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This page provides original, human-reviewed information about programming languages such as HTML, the Programming Language Reference and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.
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