Version: M51

What steps will reproduce the problem?
(1) Enable Reader Mode on Clank
(2) Visit a site with infinite scrolling like http://pansci.asia/archives/flash/97710
(3) Scroll down until the next article shows up

What is the expected output?
It should be not distillable when more than one articles are there.

What do you see instead?
It's still distillable.