2. Examine Sample Size
You can perform A/B testing on your website using Google Optimize. To do this, ensure you have sufficient site traffic to the page you wish to test.
It is not worth your time to make changes to a page that has few views.
It is important to focus on your most visited web pages as they can have the greatest impact on your conversions. For the best testing, pages should have at least 1,000 page views per month.
You can see which pages get the most visits by going to your WordPress dashboard and checking out the MonsterInsights Overview Report. Scroll down to see a list of the 50 most popular pages and posts on your site.
You can also access the Publishers' report if you have the Plus license. You'll find a list with your 50 most popular landing pages in that tab.
Top Landing Pages Report
Both of the reports above will give you the last 30 days of data by default. Click the gray button at the top to edit your date range
These two reports together will allow you to determine which pages or posts are most popular. You might also want to do an A/B test first.