relamphtml
Relamphtml is the commonly used term for the practice of using the HTML link relation rel="amphtml" to point from a canonical page to its Accelerated Mobile Pages (AMP) version. The rel attribute amphtml is a link relation established to help search engines locate the AMP version of a page. It is not an official HTML standard, but it is a widely adopted convention in the AMP ecosystem.
Usage: On the non-AMP canonical page, place in the head: <link rel="amphtml" href="https://example.com/amp/page.html">. This signals to
Purpose and impact: The primary aim is to enable search engines to serve the faster AMP version
Implementation notes: AMP pages are built with a restricted subset of HTML and AMP JavaScript, and must
Limitations and alternatives: The use of AMP and the amphtml relation is specific to the AMP project.
See also: canonical URL, Accelerated Mobile Pages, link rel values.
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