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Google's Maile Ohye and then confirmed by Gary Illyes of Google said that if you have a desktop site but no mobile version, but you do have AMP versions - in the mobile-first index world, Google will include the desktop version in their mobile-first index, not the AMP version. Got that, AMP is mobile-friendly but Google has decided, at this point in time, to index the desktop version over the AMP version.
This is a bit shocking, at least to me, espesially after I covered a tweet from Google's Gary Illyes earlier about making sure your primary content is in AMP for this reason. This was the tweet:
@AlanBleiweiss AMP is mobile friendly, so amp
— Gary Illyes (@methode) November 13, 2016
Then Jennifer Slegg reported that Gary's colleague, Maile Ohye said the opposite at the State of Search conference, saying they index the desktop version.
So @maileohye confirmed that in a situation where there is desktop and AMP, Google will index desktop for mobile first. #StateofSearch
— Jennifer Slegg (@jenstar) November 14, 2016
I asked Gary about it last night and he said he should have said that:
@rustybrick @maileohye @AlanBleiweiss yeah. I should've said that if you make the amps your pages' mobile version, then amps would be picked
— Gary Illyes (@methode) November 16, 2016
Adding:
@rustybrick @maileohye @AlanBleiweiss but with the default amp setup desktop is picked. I dunno of any site that has only desktop+amp tho
— Gary Illyes (@methode) November 16, 2016
The point about a site going AMP ready and not having also a mobile version is important. I can't imagine a site, outside of the AMP blog which is fully AMP, that has a desktop version and does not have an mobile version when they implemented an AMP version. So this is probably a rare case that is just theoretical, at best.
Forum discussion at Twitter.
