To improve our users’ experience with AMP results, we are making changes to how we enforce our policy on content parity with AMP. Starting Feb 1, 2018, the policy requires that the AMP page content be comparable to the (original) canonical page content. AMP is not a ranking signal and there is no change in terms of the ranking policy with respect to AMP.
The open source accelerated mobile pages project (AMP)
AMP was introduced to dramatically improve the performance of the web and deliver a fast, consistent content consumption experience. In keeping with this goal, we’ll be enforcing the requirement of close parity between AMP and canonical page, for pages that wish to be shown in Google Search as AMPs.
Where we find that an AMP page doesn’t contain the same critical content as its non-AMP equivalent, we will direct our users to the non-AMP page. This does not affect Search ranking. However, these pages will not be considered for Search features that require AMP, such as the Top Stories carousel with AMP. Additionally, we will notify the webmaster via Search console as a manual action message and give the publisher the opportunity to fix the …read more