When you go online, you are either on mobile, desktop or on iPad. With these three devices you will experience three different layouts for the same website. But the fact is, many web-developers do not care about mobile-friendliness of the website and don’t even account it importants? This way you are going to increase the bounce rate of your website when visited via mobile device or iPad. The only reason would be the developer didn’t pay full attention to the responsiveness of the website hence, penalized as a result of bounce rate.