Google’s John Mueller advises website house owners that mobile-friendliness isn’t the identical as prepared for mobile-first indexing.
When figuring out whether or not to maneuver a website to the mobile-first index, Google seems at standards past whether or not the positioning is optimized for cell gadgets.
A website may very well be designed for cell and never nonetheless not be thought-about prepared for Google’s mobile-first index if it doesn’t meet different standards.
Mueller supplied this steerage in response to a thread on Reddit titled:
Despite being mobile friendly, what could be the reasons for Google to use a desktop crawler as a primary crawler?
Google makes use of totally different internet crawlers relying on whether or not the positioning is within the mobile-first index or common index.
Site house owners can see in Search Console whether or not Google is utilizing the cell or desktop model of Googlebot to crawl a website.
Here’s an instance the place you possibly can see on the prime of the report it reads “Primary crawler: Smartphone”, indicating that the positioning has migrated to Google’s mobile-first index.
Given that the majority websites have been moved over to mobile-first indexing, it’s affordable to anticipate to see the cell model of Googlebot getting used when checking Search Console experiences.
In this case, the Reddit person’s mobile-friendly website continues to be being crawled with Google’s desktop crawler, which is a certain signal that it has not been migrated to mobile-first indexing.
What may very well be the explanation for that?
Google’s John Mueller on Mobile-First Indexing
A key piece of standards Google seems for when shifting websites over to the mobile-first index is that the positioning reveals similar content material on all gadgets.
If the desktop model of a website’s pages has vital content material that’s not proven to customers on cell gadgets, then the positioning wouldn’t be thought-about appropriate for mobile-first indexing.
“Mobile friendly doesn’t mean it’s suitable for mobile indexing (it could be easy to use on mobile devices, but lack a lot of the content, for example).”
If you’re certain the necessary content material is proven to customers on all gadgets, then Mueller says to not fear.
Google’s algorithms could scrutinize a website a bit of too laborious and maintain it again from mobile-first indexing due to minor discrepancies.
“That said, if you’re sure that the content is all there on mobile, I wouldn’t sweat it. Sometimes out algorithms are a bit on the conservative side in that regard. A variation I saw a few times was that our algorithms were holding back a site because it didn’t have the same number of related items linked on the bottom of a product-page / post — yes, that’s a content difference, but you probably don’t need to care about it because it’s not going to change how your site overall is showing in search.”
However, there may very well be variations that really matter within the grand scheme of issues. That might embody gadgets lacking from one model of a website in comparison with the opposite similar to structured information, pictures, inner hyperlinks, and so forth.
“Obviously, it could also be because your site has real differences, like missing structured data, fewer significant images, bad internal linking on mobile, etc — these are things that those who don’t look deeply might miss.”
If you’re patiently ready for Google to maneuver your website to mobile-first indexing, and might’t determine why it hasn’t occurred but, now you understand a number of extra areas to test for content material parity.