Search within a webpage on iPhone devices running iOS 9 is super easy. To look for and find text in Safari on iPhone, iPad and iPod touch devices with iOS 9 or later, do as follows:
1. Open the Safari app on your iPhone and go to the webpage you want to find text in it.
2. When the page is fully loaded, tap the Share button in the middle of the bottom bar ()
3. There you should see two rows of action bars. Scroll through the second row and touch the Find on Page button
4. Start typing the word to be found in the webpage on your iPhone.