Facebook and many other social media companies can collect your web browser data if you browse sites while you have the app running on your device. If you’re tired of seeing targeted ads on Facebook based on your browsing activity, here’s how you can delete your browsing history on the Facebook app.
Step 1: Launch the Facebook app and tap the menu icon in the bottom right corner of the screen.
Step 2: Scroll down to the bottom and tap “Settings and Privacy”, and then select the “Settings” option.
Step 3: Scroll down to the “Media and Contact” section and select “Browser”.
Step 4: Lastly you can simply tap “Clear Browsing Data” and this will remove your browsing data from your Facebook account and you’ll no longer see ads based on your past browsing activity.