that hits deep

Sadly it's the same for Sci-Fi art. I had a link to submit, but you need to sign up and it's $20. Fair enough if they want to set some minimum barrier for the site to filter out suggestions from every Tom, Dick, and Harry (and Jane?), but I don't feel so investing in this to give them $20 to provide a suggestion.

Not so much. While a lot of these websites use classic approaches (handcrafted HTML/CSS, server-side includes, etc.) and aesthetics, the actual versions of those technologies used are often rather modern. For example, TFA looks like a page I'd have browsed in IE5 as a kid, but if you look at the markup, it's using HTML5 tags and Flexbox (which became a W3C WR in 2017), while a period site would have used an HTML table to get the same effect. Of course, you wouldn't want to do it that way nowadays, because it wouldn't be responsive or mobile-friendly.

(I don't think this detracts from such sites, to be clear; they're adopting new technologies where they provide practical benefits to the reader because many indieweb proponents are pushing it as a progressive, rather than reactionary, praxis.)

I loaded up Windows 98SE SP2 in a VM and tried to use it to browse the modern web but it was basically impossible since it only supported HTTP/1.1 websites. I was only able to find maybe 3-4 websites that still supported it and load.