1. Consider checking GA for browser types and analyze the traffic. Site’s mobile version plays an important role.

“Well simply put, Opera and Opera Mini users were taken to the desktop version of the website. As you must be aware, Opera Mini is a mobile browser and as any SEO consultant would know, the obvious recommendation here would be to take the user to the mobile version of the website. But how do we convince the client?? The answer lies in the report itself.”

Source: SeoMOZ

2. LINK BUILDING – TRAIN A LINKBUILDER