Customizing the email display quantity on the Gmail page offers the following benefits:

1. Increased productivity: Viewing a larger number of emails at once allows for more efficient browsing and quicker access to important messages.

2. Reduced information overload: Decreasing the display quantity creates a cleaner interface, preventing overwhelming amounts of information from overwhelming you.

3. Personalized experience: Customizing the email display quantity according to your preferences and work needs ensures a user experience that aligns with your specific requirements.

1. You can see how many emails are displayed on one page in the inbox here.