Whenever you type search items online, including the Wikipedia search engine, this information is saved in the web browser's memory. Browsing history, cookies and cache store the private data, which can be retrieved and viewed. In addition, the websites visited will be shown in the address bar, and the previous search items from all search engines will pop-up if someone starts typing the same item. You can clear this private data and prevent anyone from seeing your work using the browser's built-in utilities.
Internet Explorer
Step
Open the browser and click on the "Tools" menu option.
Step
Click on "Internet Options" Under "Browsing History," click on the "Delete" button.
Step
Check boxes next to "Temporary Internet Files", "Cookies", "Forms" and "InPrivateFilteringData".
Step
Click on "Delete", then on "OK" after private data has been removed. Close the Internet Options window.
Mozilla Firefox
Step
Open the browser and click on the "Tools" menu options.
Step
Click on "Clear Private Data" option. Check the boxes next to "Cache", "Cookies" and "Offline Website Data."
Step
Click on the "Clear Private Data Now" button.
Safari
Step
Start the browser and click on the "History" menu option.
Step
Click on "Clear History."
Step
Click on the "Safari" menu and then on "Empty Cache."
