Bounce rate
Bounce rate
Bounce rate measures the percentage of sessions where a visitor lands on a page and leaves without taking any further action. In classic Universal Analytics, a bounce was a single-page session with no interaction hits. In GA4, the concept has evolved into engagement rate, essentially flipping the metric on its head. Regardless of the measurement tool, the underlying question remains the same: did the visitor find what they were looking for, or did they bail?
The most common mistake I see is treating bounce rate as a universally bad signal. A high bounce rate on a blog post might be perfectly fine — the reader got their answer and left satisfied. A high bounce rate on a product page is a different story entirely. Context is everything. I have watched teams waste weeks trying to lower bounce rates on pages where the metric was meaningless, while ignoring catastrophic drop-offs in their actual conversion funnels.
What makes bounce rate useful is when you segment it properly. Compare bounce rates by traffic source, device type, and landing page. A 90% bounce rate from social media traffic to a blog post is expected. A 90% bounce rate from branded search to your homepage means something is fundamentally broken. The metric only becomes actionable when you stop looking at the site-wide average and start asking why specific audiences on specific pages are not engaging.