The site A Different End Of The Internet is tested with Integrity 4.5.3 (a newer version isn't possible at the available test MacBook). This test site contains 12 visible broken links (5 images and 7 clickable links).
At least 11 (out of this 12) broken links must be detected to get placed at the shortlist.
The following broken links are ...
This broken link checker does meet the criteria for the shortlist. Hence it is placed at the (OSX) shortlist.