That's certainly more descriptive. I always think of those as eBooks though. In my mind I don't really see there being a difference. HTML is one, of many, eBook formats.
The main difference for me would be that I'd consider an eBook to be something I can download (epub, mobi, pdf etc...) and read on my Kobo offline. Can't see how I could easily do that with the online HTML version.
As a comparison, I found this on Skimfeed today:
http://www.makeuseof.com/pages/guide-to-kde-the-other-linux-...