The page you are referring to is the first page you see on the site (the entrance page). This is also known as the landing page.
You need to know your entry page
because it's the first step in determining whether a user will continue on your site and chairman mailing lead ultimately convert.
Here's how to check your landing pages in Google Analytics. Click "Behavior" → "Site Content" → "Landing Pages." By default, landing page items are sorted by the number of sessions.
Google Analytics Landing Page
If you would like to know more about how to analyze landing pages using Google Analytics, please also take a look at this article ( How to analyze landing pages using Google Analytics | What metrics should you check? ).
Which pages are most viewed?
In the first place, the purpose of flow design is to lead visitors to the intended page. If an unintended page has the most views, it means that the flow and traffic flow are not aligned. Also, if you think about why that page is being viewed so often, you may be able to successfully lead the visitor to the intended page.