Also back button behavior is frustrating and when paging backwards the pages slide in in an unexpected way that breaks the book metaphor
"Back Button" is also a bit tricky. ^^ As the other commenter said, it may be better to record URLS per articles instead of page unit. Will that be more natural? Thank you again.
For progress, you might want to consider checking out the internet archive e-book reader as a template. https://www.archive.org/stream/birdbookillustra00reedrich#pa...
The progress bar on the bottom is amazing. Chapters (sections) in a text are noted with, you can click anywhere on the progress bar to "fast-forward" and as you turn pages, it progresses, giving you a sense of where you are in the text (which would help with your page-up/down behavior).
They also offer several ways of turning pages, click (to turn left, right), left-right GUI buttons and left-right on the keyboard (page-up/down turns only one page).
More importantly, they offer 1-up with a vertical scroll, which I'm finding as a metaphor I love on mobile, which lets you drag to scroll (and the left-right GUI buttons and progress bar all still work), though they change the keyboard controls to up-down to scroll.
I wish I could find the example, but I can also tell you that their reader handles different widths of pages. So in 1-up mode, most pages can be book-paged size, but if there's an extra-wide page (like a poster or a fold-out) it will expand to accommodate that...which could be a useful metaphor for handling wide tables.
Just some ideas.
edit
I noticed mobile also changes pages on tap, but the behavior wasn't consistent. I had to tap 6 or 7 times to get it to work if it worked at all.
a) a while to figure out the relationship between clicks and things happening on the screen
b) no idea how to go forward or back, it seemed to be occurring essentially at random until I remembered some mobile apps that put page turn forward back onto the left and right halves of the screen, until I read the comments in this post, it never occurred to me to use the keyboard since that's unlike the rest of the web.
the lack of scrolling was problematic when pagination is poor, I see just the header of the Film table, but it cuts off after that, until I figured out how page turning worked I thought scrolling was broken
I can't tell if this is intended for mobile or desktop, but comments below seem to indicate it's for desktop. If so, it's not very good for it. The regular WP page is a far better usability experience. If it's for mobile (I haven't tested it), it might be "ok". But some recent experience I'd had with readers has made me think that a continuous scroll makes for a better reading experience on tablets/phones than page flipping.
I think it's trying to mimic the use-flow of the internet archive e-book reader, but without separate pages you can't figure out how to turn them, and without a single-page vertical scroll mode it's equally confusing.
When the pages turn, the next page does a weird little slide in also, I guess this is supposed to look like a page flattening out in a book or something, but there's no 3d effect to indicate this and instead it looks like my browser is struggling to figure out where to position the content on the page...it looks broken-ish, or as the kids say "janky".
Hitting page up/down makes my browser do something really crazy for a minute (fold proteins, factor primes or something), I suspect the page is prefetching content, it smoothed out after the initial whatever it was doing. I still have no idea where in the article it goes.
Somehow this is confusing both single page viewing with two-page layup user interface.
It also somehow manages to show less information while taking up more screenspace (no infobox and instead a table of contents).
It's almost like somebody went through and wherever there was a choice of worse or better, they always chose the worse way to do things.
Some people say that the difference between Star Trek:TNG and the newer Battle Star Galactica series is that when faced with the same ethical dilemma, Adama always chose the opposite of what Picard would choose. This is kind of like the BSG of text readers.
Don't take it too harshly, BSG was still a great series. With a bit of work this could be a great mobile interface for WP.
Edit: Yeah, much better on my tablet. If the desktop experience is a 3/10 mobile is a 6.