You’ve already had “some SEO” done to your website, why do you need more? It’s a common enough question people have if their background isn’t in SEO.
SEO is not a set and forget task, there is no on or off switch. Much like a diet, SEO works best when you don’t stop at your target but you continue your good work.
It’s a complex task that requires patience, foresight and constant work to get and maintain positive results. Here’s why