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.”
🆕We just announced https://t.co/nDFBkP4gxa⚡️
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❤️
— Chrome Developers (@ChromiumDev) November 12, 2018
Anyway, go ahead, play with it at https://web.dev/.
Forum discussion at Twitter.