When viewing a long article, the page appears to reset or reload at inconsistent intervals. For example, I’ll be reading somewhere 2/3 of the way to the end of the article, and suddenly it’ll reset to the top of the article.
Sometimes when this happens it appears to lose mouse focus, as well. I have to physically click on the page in order to get mouse focus again.
This has occurred on two different physical systems.
OS: Windows 7 (all the latest patches)
Browser: Firefox 23.0.l1 (in both cases)
Do not recall seeing this in Chrome.