Post of the Week
This is maaaaaaaaaasive series by the mega talented Cindy Krum. Although the series is speculative, I think it provides some sound rationale and argument that Google's mobile-first-index has been grossly oversimplified. Cindy instead calls mobile-first-indexing 'entity-first' indexing, as she believes the update is more about entity classification and translation than it is about different user-agents. Check it out!