There was a lot of talk yesterday at Pubcon Austin about how Google was changing up their algorithm today to give preference to mobile friendly sites.
So sites that are not mobile friendly are expected to get diminished exposure in Google, hence Mobilegeddon.
Google has a mobile friendly test you can run for your site, as well as advice for making your site easier to access from mobile devices.
You want to see a result like this…
In the event you fail the test, it’s not too late to change up your site to make it mobile friendly.
If you are using WordPress, there are lots of responsive themes, which means they will automatically adapt to mobile devices.
I use the Genesis Framework by StudioPress, and I would highly recommend their many responsive theme options.
Good luck weathering Mobilegeddon.