Access browser settings to clear history, set homepage, adjust text size, manage pop-up, change the default browser, and restore default settings.
INSTRUCTIONS & INFO
From the home screen tap Settings.
Tap Safari. Note:Here you can: Choose your search engine and configure search results, Provide AutoFill information, Choose which favorties are displayed when you search, Have links open in a new page or in the Background, Block pop-ups, Tighten privacy and security, Clear your history and website data, Configure advanced settings and more. Learn more from Apple support article: Safari web settings on your iPhone.