Listly
Listly by Tatsuya Nakagawa
Here is the list of the top 6 coating and corrosion sites that every professional should follow. Vote for your favorite. The list was created and maintained by Castagra Products.
http://www.sspc.org/
https://www.corrosionpedia.com/
http://www.materialsperformance.com/
http://www.coatingspromag.com/
http://www.paintsquare.com/
https://www.nace.org/home.aspx