At first I thought you were referring to TER Forum Volunteer Moderators.  They haven't had such Mods (except for Newbie) for many years.  
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Are you referring to webmasters who create, maintain, and support websites for Providers or Agencies?  Did they formerly post to the NY Board, "Hi! I'm the webmaster of "MarySmithEscort.com." Check her out and make an appointment!" I don't remember such posts.  
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Or, "Hi! I am a webmaster and I can create a great website for you. If you are a Provider, contact me about my services: outcall only " That was more of a Newbie and General thing.

I know some on social media.

I use wix & diy is simple with the technology available it’s just very time consuming. If you’re on X, or IG people offer this service all the time. I would suggest the PO forum here, but you don’t appear to be eligible. I like to do it myself because when I paid a webmaster previously it was difficult to make updates & changes.