Mobilegeddon is upon us.
Google released sweeping changes to its search algorithm on Tuesday, giving mobile-friendly websites a boost on smartphones. In its mobile search results, Google (GOOGL, Tech30) now favors websites that adjust for smaller screens.
It seems like an obvious tweak, but it has website operators scrambling to keep their sites listed high up in the search rankings. As with all Google algorithm tweaks, some will benefit, and others will lose out.
Here's everything you need to know about Google's changes, which some have labeled "Mobilegeddon."