Your cache is a place where information is stored, which helps websites load faster. Cookies are small pieces of information that store website customization. You may quickly fix many common browser-related problems, such as sign-in problems and slow- or non-loading webpages, by clearing your cookies and cache.
Mozilla Firefox
1. Click on Tools > Clear Recent History…
2. Click on the drop-down box to the right of Time range to clear and select Everything.
3. Click on Details and check both Cookies and Cache.
4. Click on Clear Now.
Google Chrome
1. Click on Chrome > Clear Browsing Data…
2. Check the following:
a. Empty the cache
b. Delete cookies and other site data
3. Click the drop down box to the right of Obliterate the following items from: and select the beginning of time.
4. Click Clear Browsing Data.
Opera 10.5+
1. Click on Tools > Delete Private Data…
2. Check Delete temporary cookies and Delete all cookies, then click on Delete.
Safari 5
1. Click on Safari > Reset Safari…
2. Check both Empty the cache and Remove all cookies, then click on the Reset button.
Safari 5.1+
1. Click on Safari > Reset Safari…
2. Check Remove all website data, then click on the Reset button.