How do I know if my site is not using material design? [closed]

Is Material Design still used?
Can I use Material Design for free?
Should I use Material Design?

Is Material Design still used?

Following the release of Android 12 in May 2021, Google announced in late October a complete overhaul of its design language: Material Design 3. Material Design 3 is the technical name of Material You, which was unveiled in early 2021 through a Pixel 6 ad, and it's a revolution for Android developers and designers.

Can I use Material Design for free?

MDL is free to download and use, and may be used with or without any library or development environment (such as Web Starter Kit).

Should I use Material Design?

More granular advantages for Material Design include things like subtle skeuomorphism, which sets it apart from flat design and makes it more intuitive for many users. Another user-friendly feature is that user feedback in the form of haptic feedback, subtle animations, and similar things are built into the guidelines.