# Google Search Going Mobile First 2016/11/08
our algorithms will eventually primarily use the mobile version of a site’s content to rank pages from that site
Just a few days ago the news broke that mobile Internet usage exceeds desktop globally and now Google's search index will start using mobile versions as its primary source.
Do you need more convincing that you should take mobile Internet seriously?
# Mobile Internet Usage Exceeds Desktop 2016/11/04
Internet usage by mobile and tablet devices exceeded desktop worldwide for the first time in October according to independent web analytics company StatCounter
This has been coming for a long time. If this isn't a big enough a reason to check how your site works on mobile then I don't know what is.