Google will crawl and index all sites using its mobile-first model by September 2020. The idea is to simplify the process. Most of the web has moved to this model, but Google provides a way to check for specific sites.
"When we switch a domain to mobile-first indexing, it will see an increase in Googlebot's crawling, while we update our index to your site's mobile version," Google Developer Advocate John Mueller wrote in a blog post. "Depending on the domain, this change can take some time. Afterwards, we'll still occasionally crawl with the traditional desktop Googlebot, but most crawling for Search will be done with our mobile smartphone user-agent."
read more (search insider media post)
"When we switch a domain to mobile-first indexing, it will see an increase in Googlebot's crawling, while we update our index to your site's mobile version," Google Developer Advocate John Mueller wrote in a blog post. "Depending on the domain, this change can take some time. Afterwards, we'll still occasionally crawl with the traditional desktop Googlebot, but most crawling for Search will be done with our mobile smartphone user-agent."
read more (search insider media post)
