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They answer different questions
SEA answers 'can we sell this at all?' within a week. SEO answers 'can we own this market?' within a year. Using one to do the other's job is the most common way marketing budgets are wasted.
Use SEA as market research
Before writing thirty SEO landing pages, spend a small SEA budget on the same keywords. The ones that convert tell you exactly which pages are worth building. This is the cheapest research you will ever buy.
In B2B the long tail wins
Nobody outbids a distributor on a generic head term, and you should not try. Fifty specific pages about norms, part numbers and applications will out-earn one expensive campaign on a generic keyword — and they keep earning after you stop paying.
A split that usually works
Roughly 70% into content and technical SEO that compounds, 30% into SEA for testing and for the terms where you must defend your brand. Revisit the split every quarter with actual revenue numbers, not impressions.
- Test with SEA, then build SEO pages that won.
- B2B money is in the long tail, not head terms.
- Judge the split on revenue, not impressions.
Frequently asked questions
Ads first, but as research rather than as sales. Before you commission thirty SEO landing pages, put a small ad budget on the same keywords and watch which ones actually convert. Those are the pages worth building. Writing the pages first and finding out afterwards that nobody buys on those terms is the expensive order to do it in.
Longer than anyone selling it implies, and nobody can give you a date — it depends on your competition, your domain and how much genuinely useful content you already have. The honest framing is what each channel answers. Ads tell you within a week whether you can sell this at all. SEO answers whether you can own the market, and that is a question measured in quarters.
Almost certainly not. You will not outbid a distributor on a head term, and the traffic you buy at that price is mostly people who are not ready to order. In B2B the money is in the long tail: fifty specific pages about norms, part numbers and applications will out-earn one expensive generic campaign — and they keep earning after you stop paying.
Mostly, but keep two jobs running. Ads stay useful for testing a new range before you write anything about it, and for the terms where you must defend your own brand name against someone bidding on it. Beyond that, ad spend stops the day you stop paying, while the pages keep working — so let the split drift that way, judged on revenue, not impressions.
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