Cookies: Cookies also called web cookie, Internet cookie, browser cookie, or simply cookie. Its a small piece of data sent from a website and stored on the user’s browser while the user is browsing. Basically its a type of programming.It observe and store user activity.Everyone needs to Clear cookies and cache from Google chrome browser.
Cookies are design for storing information such as items added in the shopping cart or the user’s browsing activity like logging in. They can also remember some important information such as names, addresses, passwords, and credit card numbers.
Now days more than enough people are using Google chrome browser for surfing on internet. Chrome store cookies very nicely from every sites and keep safe for perfect results at next time. After saving lots of cookies it start works slow. For better speed of browsing and safety you need to clear your browsing cookies time to time.
Before clearing cookies from any browser you have to make sure all your saved password and data will be lost from your browser ,so keep write down some where so later you can sync your information easily.
Official Google Answer : https://support.google.com/accounts/answer/32050?co=GENIE.Platform%3DDesktop&hl=en