It's recommended to clear your browser cache if you're experiencing issues or after a game update to ensure you're loading the most up-to-date files.
Depending on your browser, you can follow the guides below to clear your cache:
Google Chrome (Recommended Browser)
https://support.google.com/accounts/answer/32050
Microsoft Edge
https://www.microsoft.com/en-us/edge/learning-center/how-to-manage-and-clear-your-cache-and-cookies
Firefox
https://support.mozilla.org/en-US/kb/how-clear-firefox-cache
Safari
https://support.apple.com/en-gb/guide/safari/sfri11471/16.1/mac/13.0