announced in 2016 and officially launched in April 2018, but not all websites converted directly to this new indexing method. What-is-mobile-first-indexing How does a search engine like Google work? To better understand how the Mobile First Index works, we first need to have a rough idea of how Google search works. First, Google's crawlers or “spiders” access websites and explore their content just like a browser would, but without a graphical interface. Crawlers access, load, and build content the same way a real user would. Website content is sent to Google's index ,
which stores all information about the documents and associated resources of the crawled sites. Google ranks the websites it crawls based on a series Clipping Path of ranking factors , that is, a set of rules that determine the order in which search results appear. There are many ranking factors, such as the relevance of the content, the authority of the site or the load times, and Google often changes the algorithm with which it decides the positioning of the pages. But in general, we could say that the ranking factors seek to prioritize pages that have quality content that is relevant to the search and that offer a good user experience. When a user does a
Google search, therefore, Google uses it to find relevant documents within the index and ranks them in an ordered list based on ranking factors, resulting in the search results page. How does the Mobile First Index work? With the Mobile First Index, the basic process of crawling, indexing, and ranking that we just explained remains the same, but the difference is that Google gives preference to crawling mobile sites and orders the results based on them. Therefore, any part of the site that is not accessible to the mobile crawler of Google (“mobile crawler”)