Websites to Rate

How can you tell whether a website is a good site for you? 

https://www.census.gov/schools/facts/ 

https://pbskids.org/clifford/

http://colorwithleo.com/

https://pbskids.org/curiousgeorge/

http://molecularium.com/kidsite/

http://www.starfall.com 

http://www.seussville.com/

​https://www.usmint.gov/learn/kids