As Google’s search algorithm has improved and the ranking environment has become more competitive, off-site SEO best practices have become equally important. This does not happen on your site, but elsewhere on the web. Building Links: Most off-site SEO is simply a matter of creating links to your site.Off-site SEO refers to all the things you can do outside of your site to help you improve your SERP position: building links, forums, reaching out to influential people, and marketing content, to name a few. In layman's terms, off-site SEO helps search engines understand what others think of your product, service, or website.