Earlier quoted context omitted.
It's explained on the linked page, under 'typography': > When your eyes read to the end of a line of text, they have to jump to the beginning of the next one. Left-justified text causes all lines to start at the same vertical, making your eyes sometimes miss the jump and begin reading a wrong line. This is why you're sometimes reading the same line twice by accident. By right-justifying instead, the left edge of the…
> By right-justifying instead, the left edge of the text is made varying, and your eyes have an easier time picking the correct next line. Is there any research done on this? > You actually experience physical pain? No. It slows down my reading and it makes it difficult to understand text.
BeeLine [0] claims to be backed by research and employs a similar device. Seems to be a new idea, and I wanted to experiment.