Step 1: Open the Settings app.
Step 2: Scroll down and choose the Safari option.
Step 3: Scroll to the bottom of the menu and select the Advanced option.
If you are trying to visit a website where you need to complete a form, but that form isn’t appearing, then it’s possible that it is a pop up which is being blocked. Find out how to disable the pop up blocker in Safari on your iPhone so that you can view pop ups that sites are trying to display.