Clear your browser cache regularly.
Internet Explorer 8
1.Once your browser is open, click the Tools menu and select Internet Options.
2.Be sure the General tab is selected.
3.Under "Browsing history", click "Delete..."
4.In the new window, be sure the Temporary Internet Files box is checked. You can uncheck everything else you don't want to delete.
5.Click Delete.
Internet Explorer 7
1.Once your browser is open, click the Tools menu and select Internet Options.
2.Make sure the General tab is selected.
3.Under "Browsing History" click "Delete"
4.In the new window, click Delete Files in the Temporary Internet Files section. If you want, you can also opt to delete cookies and browsing history.
5.Alternatively, clear your cache for just the current page you're visiting. Press and hold [Ctrl] on your keyboard, then Press [F5] or click on the Refresh button (square button on the toolbar with opposite-facing arrows).