For Safari on iOS:

1. Look for the share icon at the bottom middle of the screen. Tap on it.
2. In the share menu select "Add to Home Screen" option.

For Google Chrome on iOS and Android:

1. Tap the share icon (iOS) or three dots (Android) in the top-right corner.
2. Look for "Add to Home Screen" or "Install App" in the menu.

For other browsers:

The process varies by browser but the general steps are the same.

1. Look for the three dots menu icon or hamburger menu in the top-right corner.
2. Look for "Add to Home Screen" option in the menu.