To add a shortcut icon on the home screen of your device from Apple the steps are very simple. With the method I show you then can have quick and easy access to the web. First of all we enter the web via Safari. In the lower bar click on the icon marked with a circle:
The next step is to click on the gray icon with a “+” symbol:
In this case the web is already prepared with the name of the website or webApp, but can put the name you want:
Thus, a new icon that leads directly to the web without having to open the safari and enter the url every time we visit it appears on the home screen.