Digital marketing interview questions, and what a good answer actually contains
Forty questions grouped by level and by discipline, with the substance a strong answer has in it, plus the scorecard for interviewers and the preparation that works for candidates.
Published by AI Knows Us · Updated 13 October 2026
The best digital marketing interview questions ask the candidate to explain a decision they made and what happened next. Definitions can be looked up; judgement cannot. So the questions below are grouped by what they test rather than by job title: fundamentals, channel depth, measurement, judgement under constraint, and the work sample. Under each one is the substance a strong answer contains, which is what turns an interview from a conversation into a comparison. Use eight to twelve questions in a single interview, ask every candidate the same ones, and score as you go.
This page covers interviewing for digital marketing roles and preparing for those interviews. For how the disciplines fit together before you write the job description, see where SEO fits inside digital marketing.
Fundamentals: for junior and graduate roles
- Walk me through how a customer finds us and becomes a customer. A strong answer names stages, names a channel for each, and says which stage they would measure first.
- What is the difference between paid and organic search? Good answers cover the auction, the cost structure, the speed of feedback and the fact that one stops when the budget stops.
- How would you tell whether a campaign worked? Look for a baseline, a metric chosen before the campaign, and a stated time window.
- What is a conversion rate, and what makes it go up? The formula, then at least one reason that is about the offer rather than the button colour.
- Which marketing have you seen recently that you admired, and why? Tests whether they pay attention. The example matters less than the reasoning.
- What is a UTM parameter for? Attribution of a visit to a source, medium and campaign, plus one sentence on consistent naming.
- How do you learn this field? Named sources, a side project, a newsletter they actually read.
Channel depth: ask only about the channel the job requires
Search:
- Organic traffic fell twenty per cent on Monday. What do you check, in what order?
- Two of our pages target the same query. What do you do?
- How do you choose which pages to write next?
- When is a redirect the right answer, and when is it the wrong one?
- How do you judge whether a link is worth having?
Paid media:
- Cost per acquisition has doubled in a fortnight. Where do you look first?
- How do you structure an account for a business with four product lines and one budget?
- Explain match types and when a broad match term earns its place.
- What belongs in a negative keyword list after the first month?
- How do you decide between demand capture and demand creation? The split is covered in Google Ads and Facebook Ads.
Content and email:
- How do you brief a writer who does not know the subject?
- What makes you kill a piece of content rather than update it?
- Open rates dropped across every campaign last month. What is your diagnosis sequence?
- How do you segment a list of fifty thousand people you know little about?
- What is your view on sending more often?
Analytics and lifecycle:
- Our analytics and our ad platform report different conversion counts. Explain why, and which you would present to the board.
- How would you set up measurement for a business starting from nothing?
- What is the difference between a cohort and a segment, and when does the distinction matter?
- How do you calculate customer lifetime value, and what do you do with it?
Measurement: the questions that separate the top third
| Question | What a strong answer contains |
|---|---|
| Which single metric would you put on the wall? | A metric tied to revenue, plus a reason the obvious vanity metric was rejected |
| How do you know a channel caused the result? | Holdouts, geo tests, incrementality, and the honest limits of last click |
| Our CAC is rising. Is that bad? | It depends on value per customer and payback period, and they say so before answering |
| How do you report to a sceptical finance director? | Cost in, revenue out, payback period, and one number that was worse than expected |
| What would you stop doing in your first month? | A specific thing, with the evidence they would gather before stopping it |
The attribution answer is the one to push on. A candidate who explains the difference between what a platform claims and what the business can verify, without getting defensive, will be useful on day one. The framing is set out in marketing analytics and attribution.
Judgement under constraint
- You have a small budget and three months. One channel only. Which, and why? The reasoning is the answer.
- The founder wants to be on a channel the data says will not work. How do you handle it? Look for a cheap test proposal rather than either capitulation or confrontation.
- Half your traffic comes from one source and it drops. What is your plan for the week? Triage, communication, then diversification.
- Sales says the leads are rubbish. What do you do first? Go and listen to calls. Any answer that starts with a dashboard is weaker.
- Describe something you ran that failed. A real failure, a real cause, and what changed afterwards.
The work sample, which beats every question above
Give every shortlisted candidate the same short, paid or time boxed exercise, and keep it to ninety minutes of work:
- Here is a page of ours and the query it targets. What would you change, in priority order, and why?
- Here is a month of anonymised channel data. What is your read, and what would you do next?
- Here is our homepage and a competitor's. Where are we losing, and what is the cheapest fix?
Score the exercise on diagnosis, prioritisation and clarity of writing. Marketing is largely the job of persuading colleagues in writing, so how they write the answer is part of the answer.
Interviewer scorecard
Rate one to five, with notes, immediately after each interview rather than at the end of the day:
- Fundamentals, for the level you are hiring at.
- Depth in the one channel the role owns.
- Measurement thinking, including comfort with a number that is inconvenient.
- Prioritisation when resources are short.
- Written clarity from the work sample.
- Curiosity: do they ask you anything that shows they read about your business.
If you are the candidate
- Bring three stories, each with a situation, a decision, a number and a consequence. Most questions above can be answered with one of them.
- Research the company's actual marketing before the call. Look at their pages, their ads, their emails if you can subscribe, and the queries they appear for.
- Prepare one observation and one question about their marketing. This is the single highest return preparation you can do.
- Have a failure ready, told plainly. Candidates who have never failed have never owned anything.
- Know your own numbers. If you ran campaigns, know the spend, the return and the time period.
- Ask what success looks like at ninety days, and who decides.
Questions buyers ask about digital marketing interview questions
How many questions should one interview cover?
Eight to twelve, with follow ups. Twenty rushed questions produce rehearsed answers; ten questions with real follow up produce a view of how somebody thinks.
Should I ask for a presentation?
Only for senior roles, only with a brief, and only with a time limit you state. Unpaid multi day exercises filter for free time, not for ability.
What questions should I ask a senior or head of marketing candidate?
Ask how they would allocate the budget across the next four quarters, how they would build the team, which metric they would be judged on, and what they would stop. Then ask for the reasoning behind the hardest allocation call they have made.
Are certifications worth anything in the interview?
They show familiarity with a platform's interface. Treat them as a tiebreaker and keep the weight on the work sample and the stories.
What is a good question for the candidate to ask us?
The best ones are specific: who owns the website, how quickly a page can be changed, what the last campaign was and how it went. These tell the candidate whether the job is doable and tell you they are already thinking about the work.
How do I interview for a channel I do not understand myself?
Ask them to explain the channel to you as if you were a client, then ask what it costs, how long it takes and how you would know it worked. Clarity under those three questions is a reliable signal.
A question to add this year
The forty questions here cover how a candidate works. Add one that covers how they see the market now: how would you check what an assistant says when a buyer asks about our company?
A good answer names a sample of real buying questions, a repeat count because answers change, and a way to separate a mention from a recommendation. A weak one says "post more content". It is an easy way to tell the candidate who has looked from the one who has read about it. Candidates can rehearse it with AI Knows Us, which covers the major assistants.