If you are visiting this page with your mobile device, PWA installation prompt will be visible automatically.

You can view the Chrome's Lighthouse Test Results here : 

https://googlechrome.github.io/lighthouse/viewer/?psiurl=https%3A%2F%2Fwww.pwaonline.com%2F&strategy=mobile&category=performance&category=accessibility&category=best-practices&category=seo&category=pwa&utm_source=lh-chrome-ext#pwa