Apple’s Safari allows you to easily toggle this section off or prune specific sites. Open Safari and go to your Start Page (the page that appears in a new tab). Settings icon (three sliders) in the bottom-right corner. Frequently Visited to hide the entire section. To remove a single site: Right-click the website icon and select On iPhone & iPad: How to Disable Most Visited Sites Shortcut On Google Chrome
Recommended extension: by Valentin Ritz. remove most visited pages
Why remove most-visited pages
Apple calls this section "Frequently Visited." It syncs across your iCloud devices, so removing them in one place often cleans up your other screens too. Open a New Tab. Apple’s Safari allows you to easily toggle this