Welcome to the Q&A Forum

Hi, i have a competitor that is creating profiles in sites that passes ranks in links and putting some links with good anchor text in the bio field. This can be considered a black hat seo? This competitor is getting good rank up with these pratices and i dont know if i can use these same sites too. link to profile: http://interact.webstandards.org/member/89166/ There are a lot of more sites with profiles with no content and just a link to the site. Thanks in advance, Denis