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Hide ads and distractions in Safari on iPhone
In the Safari app 
, use Reader view to hide ads, navigation menus, or other distracting items.
Show Reader view
Reader view formats a webpage to show just the relevant text and images.
Tap 
at the left end of the address field, then tap Show Reader View.
To return to the full page, tap , then tap Hide Reader View.
Note: If Show Reader View is dimmed in the window, Reader view isn’t available for that page.
Automatically use Reader view for a website
On a supported website, tap
, then tap Website Settings.Turn on Use Reader Automatically.
Block pop-ups
Go to Settings 
> Safari, then turn on Block Pop-ups.