You’re on the right track with the basics, especially the split between on-page and off-page. That’s still a good way to explain SEO at a high level.
The part that often gets missed is that SEO isn’t just optimization anymore — it’s about intent and consistency. You can have perfectly optimized pages, but if the content doesn’t match what people are actually looking for (or there’s no clear next step), it won’t generate real results.
In practice, especially in areas like lead gen for SaaS, consulting, or IT, SEO works best when it’s connected to the rest of your funnel — content, conversion paths, and even outbound.
I’ve seen this firsthand with a team I know at Salesar. They treat SEO as one piece of a bigger system, focusing on data quality, deliverability, and aligning marketing with sales so traffic actually turns into qualified meetings, not just visits.
So yes, your breakdown is correct — but today it’s less about “types of SEO” and more about how everything works together to drive real outcomes.