Links going out from your website to other related websites are a much overlooked tool for improving your results on search engines like Google.
By linking to other sites, you are networking and building your own relevence. Pointing to outside sources makes you look good - you are participating in this thing we call the world wide web. Just think of how social media works - millions of people sharing links.
By becoming a source for information, you increase the chances of other sites linking to you, which in turn can help increase traffic to your site.
Read more tips for attracting more traffic to your website
Tip #1 – What You Write is Important
Tip #2 – Be Specific
Tip #3 – Be Local
Tip #4 – Talk About Your Art
Tip #5 – Get Other Sites to link to Yours
Tip #6 – Some Links Carry More Weight