What are the extensions of html files?

There are 4 extensions for HTML files: 1. .html, 2. .htm, 3. .xhtml, 4. .shtml, among which .html is the most common extension.

HTML file extension

HTML file, that is, Hypertext Markup Language file, is used when creating web pages coding language. HTML files typically use the following extensions:

• .html: This is the most common extension for HTML files.
• .htm: This is an early extension for HTML files and is still used, but is less common than .html.
• .xhtml: This is the extension for XHTML files. XHTML is a minor version of HTML with a stricter syntax.
• .shtml: This is the extension for Server Side Includes (SSI). SSI allows the inclusion of server-generated code in HTML files.

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