Forums allow you to gain creditability with your websites visitors as you can reply to posts that are looking for help and by doing this you're letting everyone know that you are an expert on the topic of your website.
forums have major benefits to a webmaster which include:
1. Allowing you to get educational information on your site.
2. Allowing you to increase traffic through repeat visitors.
3. Allowing you to capture email address and details of posters.
4. Allowing you to gain more creditability.
5. Allowing you to build relationship with visitors.
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