Google has launched on web.dev a beta of various web site reporting tools that show you how well you are keeping up with best practices around your web site. Google said "With actionable guidance and analysis, web.dev helps developers like you learn and apply the web's modern capabilities to your own sites and apps."
I plugged in my corporate site and you can see the score it got across performance, PWA, best practices, accessibility and SEO. I scored pretty well with SEO for some reason.
🆕We just announced https://t.co/nDFBkP4gxa⚡️
— Chrome Developers (@ChromiumDev) November 12, 2018
It is a brand new site form the team behind this account✨Learn how to build for the web and measure if your site is meeting good practice goal❤️
It is open beta Today, so please give it a try & tell us what you think :) pic.twitter.com/ZXZC9v1wvd
Anyway, go ahead, play with it at https://web.dev/.
Forum discussion at Twitter.