The most visited kid websites are Club Penguin, Stardoll, Webkinz, etc.
If you are thinking of websites - Google may be the most visited.
Wikipedia Google Yahoo
Some newspapers have a section just for the most visited, or the most popular, websites for that week. Huffing-ton post and the record both have this feature.
According to a combination of Alexa ranking and user reviews, the most visited car websites include Edmunds, Autoblog and Jalopnik. Other websites that are also visited frequently include Car Domain, Motor Trend and Top Gear.
Google, MySpace, Facebook,Yahoo
Since the emergence of Covid, shrinke .me / N2XH 1a is the most ever visited site. check it out by removing the space therein.
That would be Logo, And http://www.thinkb4youspeak.com/
Facebook , google, yahoo ,wikipedia etc
Possibly because you have not visited many websites and/or are inexperienced using the internet.
In most browsers use the Ctrl+h keyboard shortcut.