It's also probably incorrect; DHTML didn't involve loading data via AJAX after the page loaded, but instead configuring the webpage on the client side after loading it.
That said, ask them if they'd prefer the backend in PHP or Coldfusion.
That said, ask them if they'd prefer the backend in PHP or Coldfusion.
Also RIP to separation of concerns on the frontend (document [html], style [css] and behavior [js]) since it's all buried in javascript nowadays.
ColdFusion of course is pretty out of vogue, but places like Invision like it still.
A better comparison would be with ASP 3 or Perl.