Domain Rating (DR) is Decreased Today for all Websites

There have been some changes in the crawling system of Ahrefs and Moz yesterday (20th November 2020) and there has been a significant decrease in DR of every site irrespective of its age or type of backlinks.

My website DR decrease 66 to 32.

Check your domain rating now.

 

https://ahrefs.com/website-authority-checker
and
https://moz.com/domain-analysis

 

Thanks

 

I did notice lower scores, wonder why the changed it.

 

This is quite normal

 

Why ?

 

I think it's not normal
The DR decrease more than 50% for almost sites.