If two links are adjacent to one another, a screen reader will have problems interpretating them.

You can avoid this by making sure each link is separated by a space, a character, and another space.

We do this by placing a “|” in between links (check out the bottom of the page).

We've recently updated our comments policy and increased the number of comments a visitor has to make to get seo friendly links in comment signatures to reward long term readers and make it a bit harder for dofollow spammers ;) - I told you dofollow spamming wasn't a long term strategy....