The right marketing call for your budget and goals.
SEO builds long-term organic visibility; SEM gives immediate traffic and testing power.
For a new product, validate messaging with SEM while laying SEO foundations. For established brands SEO often pays off more.
Best results usually come from running both with clear KPIs.
If budget is tight, start SEM on a narrow keyword set and keep SEO to a technical audit plus 5–10 priority pages.