Search engine advertising (SEA)
In short
Search engine advertising (SEA) is the practice of paying to show ads on search engine results pages for chosen keywords. Ads appear when someone searches a matching phrase, so you reach people who are actively looking.
SEA is a part of search engine marketing, which also includes unpaid SEO. The term SEA is common in Europe; in the US the same activity is often called paid search or PPC advertising.
How search ads work
You choose keywords, write ads, set bids, and pick a landing page. When someone searches, an auction decides which ads show and in what order, based on bid and ad quality. Most accounts pay per click.
Why B2B teams use it
- Intent: People searching a problem or solution phrase are often closer to buying than people seeing a social ad.
- Speed: A campaign can start sending traffic within days.
- Control: You choose budget, location, and schedule.
- Measurability: Clicks and conversions are tracked by keyword.
Building a campaign
Group keywords by theme, write ads that echo the search phrase, and match each group to a focused landing page. Add negative keywords to avoid irrelevant searches, and track conversions through to the CRM.
Say a team targets phrases that describe a specific problem and its fix. After two weeks, they review the search terms report, add negatives for irrelevant queries, and shift budget to terms that produced qualified demos. The scenario is illustrative.
SEA vs. SEO
- SEA: Paid, immediate, stops when spend stops.
- SEO: Unpaid, slower, lasting, but less controllable.
Common mistakes
- Too many broad keywords: Costs rise with little relevance.
- Generic landing pages: Visitors leave if the page does not match the ad.
- Ignoring branded terms: Competitors may bid on your name.
- Optimizing for clicks only: Judge by qualified leads and pipeline.
Measuring and improving SEA
Track conversions from click to closed deal by passing the ad source into the CRM. Review cost per qualified lead, not only cost per click, and break results down by keyword group.
Improve in a steady loop: check the search terms report, add negatives, rewrite ads that underperform, and test landing page changes. Also compare paid results with organic rankings, since ranking well for a term may let you lower paid spend on it.
Search engine advertising FAQs
What is search engine advertising (SEA)?
Search engine advertising is paid advertising on search results pages. Advertisers bid on keywords, and their ads appear when users search matching phrases. It is usually billed per click and is a form of paid search.
What is the difference between SEA and SEO?
SEA is paid and produces traffic as long as you fund it. SEO is unpaid optimization for organic rankings, slower to build and longer lasting. Together they make up search engine marketing, and many teams use both.
What is the difference between SEA and PPC?
SEA refers to paid advertising on search engines, while PPC is a billing model where you pay per click and also applies to social and display. In practice, SEA campaigns are usually bought on a PPC basis, so the terms overlap.
Is search engine advertising worth it for B2B?
It can be, when buyers search for the problem you solve and your landing pages convert. It captures existing intent but does not create demand. Judge it by cost per qualified lead and pipeline, not clicks.
