Honestly, I don’t understand how somebody can prefer PDF to HTML for on-screen viewing. Really? That is possible? If you’re one of them, can you help me understand?
It is a different environment. My web browser buttons, extensions, history don’t work. Selecting text works differently. Searching works differently. Right-clicking, cut’n’paste all work differently. It’s a completely different environment from that page I came from. Why?
I’m served a “individual page metaphor”, rather than a “continuous page” one. Why do I have to see headers and footers for what would be separate pages if I were to print it?
PDF files tend to misbehave on Ubuntu/Linux. That is likely not a problem for you.
Jakob Nielsen mentions usability studies and research and quotes from some of them, but I’m wondering if there is other, independent studies or research - not loud opinions like this one! Of course I’m hoping for links that confirm my point of view, but really I’d like to know what “people” think.