Because
#SpeedMatters, here's 3 things to look for when considering the speed of your mobile site: content size, ad-tech and video ads.
1. Content size: Find out how many bytes your page is serving and what files constitute the bulk of the bytes
2. Ad-tech: Look for bulky ad tech and evaluate the number of ad-related calls - each one increases your load time
3. Video-ads: Review latency for your video ad partners and find out which of them may be causing delays
Learn more here:
https://goo.gl/ZdgpvA