Here are all the average benchmarks for the results you would see with web push notifications:

Merchants see an average of 2.7% opt-in rate (with a range of 2.3% to 5%).

With browser prompt, the average opt-in rate is 6.6% while custom prompt only has a 1.57% opt-in rate. As you can see, there is a 320% increase in opt-ins with browser prompt.

Note: The results you see from web push are based on your strategy, frequency of sending, messaging, etc. We've collated these benchmarks based on 90 Shopify Plus stores.