Even something as simple as auto-focus on a form field on page load... imagine that your keyboard jumps up and takes up half of your screen space, just because

Even something as simple as auto-focus on a form field on page load... imagine that your keyboard jumps up and takes up half of your screen space, just because a web-dev wanted you to be able to "immediately input your name". I'm actually quite happy that my iPhone doesn't shove a keyboard in my face "for my convenience of being able to input text immediately".