I haven't seen any of those issues on either D&D Beyond or Steel Compendium, so clearly they are issues that can be avoided with competent web design and/or using modern browsers. The only table issues I've seen is when you have a table that just can't fit width-wise (like when you have a caster class features table and all the spell slots don't fit), and then at least D&D Beyond makes that particular part scrollable without messing with the rest of the page.HTML mangles tables, often is unhappy with custom fonts (which are one of a bunch of ways to use custom symbols; the fonts can scale the symbols with text far better than bitmapped image files, and in fewer files than all but the most obnoxious vector files), and additionally, can become unreadable on various devices due to HTML 4 and later page layout tags in CSS.
So, for you and your particular needs? Sure, fine... but for me, I much prefer the virtual pages for finding things, and for zoom in and pan, and the ability to print consistently to the same dimensions.
My needs in this case is to be able to use the material at the table and to be able to refer to it when preparing (or
The one place where PDFs have the edge is in printing – which is not surprising, given that that's the whole point of the format. I wouldn't want a blank character sheet for printing using HTML – that's ridiculous. But one of the main reasons I like electronic files is that it reduces the amount of paper I need to carry around. For example, when playing Savage Worlds I only bring the main rulebook (which I pretty much never use, but it's nice to be able to hand it to players), character sheets, various handouts, a notebook, and some decks (because they're a part of the system). Everything else is on my laptop. I have no desire whatsoever of going back to the days of 3.5e where I was bringing a suitcase full of books to game nights – the less paper the better.