Use Safari on iPhone to browse the web, use Reading List to collect webpages to read later, and add page icons to the Home screen for quick access. Use iCloud to see pages you have open on other devices, and to keep your bookmarks, history, and reading list up to date on your other devices.

Safari settings
Go to Settings > Safari, where you can:
Choose your search engine and configure search results
Provide AutoFill information
Choose which favorites are displayed when you search
Have links open in a new tab or in the background
Show or hide the Tab Bar on iPhone 6 Plus and iPhone 6s Plus
Block pop-ups
Tighten privacy and security
Clear your history and website data
Choose whether to use cellular data for Reading List items
Configure advanced settings and more