When a user posts a comment on your blog, they are given the option to have their name linked to their own website by supplying the URL when they post. To make these links open in a new window:
find in wp-includes/comment-template.php (~line 148):
$return = "<a href='$url' rel='external nofollow' class='url'>$author</a>";
replace with:
$return = "<a href='$url' rel='external nofollow' class='url' target='_blank'>$author</a>";
And that’s it. If you have difficulties implementing this, contact me for paid support.





















Thanks a lot, it was a great help and work well !!!
Glad the information was of use to you
Really, man thanks for this. Found this article here after a lot of old and outdated. I just updated my blog with target-”_blank” on the comment author URL. Works great (WordPress Version 3.2.1).