I use Chrome on a Nexus S and a Nexus 7, both with Jelly Bean 4.1.1. When I visit Blogger blogs that use mobile-optimized templates provided by Blogger, Chrome on the phone correctly displays the mobile version of the site, while on the Nexus 7 it apparently doesn't recognize the mobile option and displays the desktop version. To force the visualization of the mobile version I have to append ?m=1 to the blog's URL.
Why doesn't Chrome display the mobile version on the Nexus 7 by default? Is this a Chrome/Nexus 7 issue or a Blogger one?
Here is an example Blogger blog exhibiting the issue:
It's my blog and uses a Blogger-provided template, with very little customization. All such Blogger blogs I tried behave the same with the Nexus 7, i.e. the desktop version is displayed by default.