PURPOSE Clearing cache and cookies can fix website loading, sign-in, and display problems. WHAT IT DOES Cache stores website files. Cookies store site preferences and sign-in information. Clearing cookies may sign you out of websites. WHEN TO USE IT Use it when a website loads incorrectly, shows old information, loops during sign-in, or behaves differently than expected. BEST PRACTICE Clear data for the affected website first if your browser allows it. Clearing everything may remove useful sessions and preferences. AFTER CLEARING Close and reopen the browser, then test the site again.