If your MacBook is acting strange, don’t reinstall macOS yet. Try a hard refresh first. It’s the most underrated troubleshooting step for Intel Macs, and dead simple for Apple Silicon.
Sometimes ad-blockers or security extensions interfere with how a page loads. Try opening the site in an or Private window (Command + Shift + N). If it works there, one of your extensions is the culprit. Restart the Browser hard refresh macbook
Hold Shift + Command and press R . (Shortcut: Shift + Cmd + R ) If your MacBook is acting strange, don’t reinstall
Click the icon (the circular arrow) in the address bar. Clearing All Cache If your MacBook is acting strange