Pages per session is a metric that can be used to gauge how engaging your website is. It refers to the average number of pages a user visits during a single session on a website. A higher average page per session can indicate that visitors find your content interesting and are motivated to keep clicking through your site. It can also indicate to Google that your website provides a good experience to visitors.
See also: Engagement rate, Scroll depth
Further reading: KPIs for Copywriters – How Do You Measure Copywriting Success?