When you are developing a website for mobile, how much content should be there is the main question. If you can't take it seriously your site can be overloaded with lots of content and your site becomes useless. To avoid this situation first of all, check that which content is most important and can be must display on the mobile website. Filter all your content and according to priority organize it.

• Give to the point information to the user and keep it short.
• Eliminate unnecessary things. Because when users checking your website on their mobiles they don't want too much information. 
• Always give fresh, true, unique and interesting content to people.
I welcome to Share your ideas on this

Of course because the resolution of any mobile is not bigger than the PC . So if we make website for mobile than consider that you only put information which only require not extra.