of smartphone users have contacted a business directly using the search results (e.g., “click to call” option).

The average time it takes to fully load a mobile landing page has dropped by seven seconds.

Even as most traffic is now occurring on 4G instead of 3G, the majority of mobile sites are still slow and bloated with too many elements.

As the number of elements — text, titles, images — on a page goes from 400 to 6,000, the probability of conversion drops 95%.

As page load time goes from one second to 10 seconds, the probability of a mobile site visitor bouncing increases 123%.

of pages were over 1MB, 53% over 2MB, and 23% over 4MB.