People are constantly confused with the acronym SEO
As almost all of an SEO pseudo-science, this acronym obfuscates the real intent.
The purpose is to optimise the on-line profile so that the said site, page or whatever is optimally visible to the search engines.
Where “optimally visible” means “just right”, so that the site, page or whatever bubbles up in the search results lists. All the way to the top.
Thus the abbreviation might be something like OPTO aka “Online Profile Targeted Optimisation”
But then again this is also quite ridiculous. So just use this: