 If the visitor continues to navigate after this delay, a new session will occur.The bounce rate for a single page is the number of visitors who enter the site at a page and leave within the specified timeout period without viewing another page, divided by the total number of visitors who entered the site at that page.In contrast, the bounce rate for a web site is the number of web site visitors who visit only a single page of a web site per session divided by the total number of web site visits.