mobileness

From mobile +‎ -ness.

mobileness (uncountable)

1. The quality of being mobile.

   Synonym: mobility

2. (computing) Suitability for mobile devices.
   • 2011, James Pearce, Professional Mobile Web Development with WordPress, Joomla! and Drupal, page 466:

     These serve as an algorithmic way to judge the “mobileness” of a site, and similar algorithms are likely to be used by the search crawlers.