For some people, it might be the Internet Explorer’s Google add-on. How you actually get started depends on your definition of the Google toolbar.
In addition, extensions can even help you disable them completely. There are various methods you can do in order to delete most-visited websites on google chrome. However, at work, it might be too revealing, as most co-workers share one computer. This might be convenient when you are at home.
In this way, you can simply click the site you wish to open at the moment. When you open Google Chrome, it shows your most-visited sites on one page.