Mobile-first indexing means Google will use the mobile version of a web page “for indexing and ranking, to better help our – primarily mobile – users find what they’re looking for,” the company writes in a blog post. By “primarily mobile,” Google is referring to the fact that the majority of people who use Google search today now do so from mobile devices, and have done so since 2015. Google also explains that it will have one index for search results, not a mobile-first index that’s separate from its main index. In other words, it will start to look to the mobile web pages to index the web, not the desktop version.



