On my ipads, the text on this site is too small in default form (when clicking in) … however, a slight two finger touch on the screen enlarges text easily but of course … devices differ and it might not be so straightforward for you.

That would indeed be a pain and I’m conscious of that, esp. for our older colleagues … maybe 5% enlargement might be perfectly legible.

On PCs, reader Microdave suggests:

Just tried, using Ctrl+Scroll Wheel and it works fine.