A lot of errors while using 'nofollow' settings from SEO Ultimate:
URL of service: http://validator.w3.org/check
ERROR:
No space between attributes.
http://www.jyoti.ru/article/291#respond"rel="nofollow"
HOW TO IMPROVE:
file seo-ultimate/modules/link-nofollow/link-nofollow.php, line 99:
return $html.'rel="nofollow"';
change to:
return $html.' rel="nofollow"';