It has a DNS pre-fetching function that improves the loading speed of the various web pages. It relies on Google's servers to achieve this. Google Chrome doesn't rely on the user for updates, it just updates itself. Whenever Google releases a new update, which it does quite often, it installs the corresponding files. As a result, many users do not know which version of Chrome they have installed.
To find out, just click on the key icon which is located in the upper right-hand corner. The updates always incorporate an updated version of the malware and phishing databases, so users will see an alert every time they go to a listed website.
Security and privacy is one of the key features of this browser. Users can customise the homepage that Google Chrome displays when a user opens the browser. There is a yellow star placed in the top right corner, next to the key, that allows users to save the web pages they visit.