When visiting websites, your browser caches information and adds cookies. Some of these caches & cookies may affect the performance of your Chromebook (slow to load pages, change your search website, pop-ups).
Steps to clear your browsing data:
Open Chrome (Must be the settings in the Chrome Browser and not the settings in the clock)
In the top right corner, click on the 3 vertical dots
Select More Tools > Clear browsing data
A new window will open
Set the Time Range to All Time
Uncheck Browsing History
Check Cookies and other site data and Cached images and files
Click on Clear Data
Sign out of your account and Restart the Chromebook
Log back in to your account
Click on the 3 Dots, More Tools and Clear Browser Data
2. Set Time Range to All Time and Click on Clear Data