You can perform some tests on our website, performing a search in the blog articles. You can also try to say "pricing" and see how voice commands works.
If you want to test to an e-commerce website, you can check https://speechdemo.com/. You can try voice typing in some of the aricles (bottom part) or go to a product and say "add to cart". You can also try "checkout" and "cart" commands.