When You open your chrome browser and click on new tab then you see some default websites already pined-up as apps.
here you can also make your websites pin-up there. on doing so you will only have to click on that website to open your website.
To do so,
First click on new tab.
then you will see two options. 1. Most Visited 2. Apps
Now drag your website to “Apps”.
Now you will see that your website have pined-up there.