What's the most efficient way to hide content for a mobile version of a site?

Question

I\'m working on a mobile version of a large site. There\'s a lot of content from the full site that\'s not needed for mobile.

What is the best way to hide this? i.e

Answer 1

The most efficient way will be to not include the content on the page in the first place.

Mobile users will thank you for not wasting their data tariff with elements that are not shown on the page and will be happy if they don't need JavaScript in order to view the page correctly.