If your Chromebook is taking longer than usual to load and you have already updated Chrome, try clearing the cache. If you have not updated Chrome, try that if clearing your cache does not solve your issue.
Open Google Chrome.
Go to the 3 dots in the upper right corner.
Choose ‘Delete browsing data’.
4. Stay in Basic (an option on the top).
5. Make sure ‘Cookies and other site data’ and ‘Cached images and files’ are all checked.
6. Choose 'Delete data'.
If the issue persists, sign out of your device and remove your account.