A SEO package is a set of SEO techniques that are designed to help increase traffic to your website. When you purchase an SEO package, you are purchasing a set of services that will help your website rank higher in Google. A SEO package is necessary if you want to rank higher in Google and want to see an increase in traffic to your site. You can purchase one or more SEO packages and they are a great option if you need help improving your SEO or if you’re starting a new website and don’t know how to optimize it for SEO..