What is the difference between SEO and technical SEO?

SEO is the process of optimizing a website for Google search with the goal of earning higher web traffic levels and improving the visibility of the site. Technical SEO refers to the more technical aspects of SEO such as site speed and structure, which can be optimize to improve a website's ranking. Both SEO and technical SEO are important for improving a website's ranking in Google search. However, technical SEO is more focused on the website's infrastructure and technical aspects, while SEO is more focused on the content and keywords of the site.