To make certain, none of right here’s exactly new, but John Mueller of Google took the time to level to how mobile-first indexing works with mobile-first indexing. Most net sites had been switched over to mobile-first indexing but must you gain no longer, then right here is what it is advisable to know particular to m-dot or separate mobile URLs.
That closing link tells you every thing it is advisable to know.
I’m no longer going to veil this in ingredient again but exhaust that Google resource must you are afraid.
As a reminder, Google goes all in on mobile-first indexing March 2021 after giving us an initial cut-off date of September 2020. This initiative became first announced in 2016 – so we had heaps of time to prepare.
Dialogue board discussion at Twitter.