Yep, as it essentially visits all links on a page to check their availability. However, you can add rel="nofollow" to links you don't want to check. You can al

Yep, as it essentially visits all links on a page to check their availability. However, you can add rel="nofollow" to links you don't want to check. You can also exclude entire domains and specific links by right-clicking on the extension icon and clicking on 'options'.