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What is the browser cache? Is browser cache useful?
To speed up access to webpages you have already visited, your browser keeps a copy of these pages including all items that you have seen and downloaded in the browser cache. If you re-visit a webpage, your browser will load it from the local copy, therefore making the webpage display much faster.
Why do I clear browser cache?
Browser cache stores images, scripts, and other parts of websites you have visited. Storing the browser cache on a hard disk is normally not a problem, unless you have been entering sensitive information or visiting the websites you do not want others to know about. So although storing browser cache makes web browsing faster as it takes your computer less time to display a webpage when it can open page's elements or even the entire page from the cache, browser cache can threat to your privacy as everyone who has access to your computer can see some personal information by simply opening the cache folder.
Clearing browser cache can also significantly improve the improve the speed and performance of your browser.
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