Digital Marketing Is Legitimate. Most Digital Marketing Is Not.
Digital marketing is legitimate. The channels are real, the mechanics work, and the commercial results are well documented across every industry and business model. The question worth asking is not whether digital marketing works, but whether what most businesses are actually doing qualifies as digital marketing in any meaningful sense.
There is a wide gap between digital marketing as a discipline and digital marketing as a collection of activities that look productive on a dashboard. That gap costs businesses money every day, and it rarely gets named for what it is.
Key Takeaways
- Digital marketing as a discipline is commercially sound. The legitimacy problem is execution, not the medium itself.
- Most digital marketing fails not because the channels are broken, but because the strategy behind them is absent or vague.
- Measurement is the single biggest source of confusion in digital marketing. Dashboards full of activity metrics are not evidence of results.
- The fundamentals that made offline marketing work, clear audience, sharp message, measurable objective, apply identically online.
- The fastest way to validate digital marketing in any business is to trace a specific channel back to a specific commercial outcome, not a proxy metric.
In This Article
- Why the Question Gets Asked in the First Place
- What Digital Marketing Actually Is
- The Measurement Problem That Makes Digital Look Suspicious
- Where Digital Marketing Gets Misrepresented
- The Channels That Consistently Deliver and Why
- What Separates Digital Marketing That Works From Digital Marketing That Does Not
- How to Evaluate Whether Your Digital Marketing Is Legitimate
- The Honest Answer to Whether Digital Marketing Is Legitimate
Why the Question Gets Asked in the First Place
Spend any time around business owners or senior finance people and you will hear some version of this: “We’ve been doing digital marketing for three years and I’m not sure it’s doing anything.” That is not a fringe view. It is a common one, and it is usually not wrong.
The problem is that the conclusion people draw from that experience is often the wrong one. They conclude that digital marketing doesn’t work. What they should conclude is that what they were doing was not really marketing. It was activity. It was content posted to a schedule, ads running to a broad audience, email campaigns sent because the calendar said so. The channels were digital. The thinking was not.
I ran agencies for the better part of two decades. I have sat in more pitch rooms than I can count, and I have seen the same pattern repeat itself across industries: a business invests in digital, gets a report full of impressions and clicks and engagement rates, and then quietly wonders why revenue has not moved. The agency produces the report. The client reads the report. Nobody asks whether the report is measuring anything that matters.
That is not a digital marketing problem. That is a commercial clarity problem. And it is fixable.
What Digital Marketing Actually Is
Digital marketing is marketing conducted through digital channels. Paid search, organic search, social media, email, display advertising, video, affiliate, programmatic. The mechanics differ by channel. The underlying discipline does not.
Good marketing, regardless of medium, starts with a clear commercial objective. It identifies a specific audience. It delivers a relevant message. It measures whether that message moved the audience toward the desired behaviour. Everything else is execution detail.
Digital channels make some of this easier. You can target more precisely than you ever could in print or broadcast. You can measure more granularly. You can test faster and iterate in near real time. These are genuine advantages. They are also where a lot of the trouble starts, because precision and measurement can create the illusion of rigour without any of the substance.
Early in my career, before I had a budget for anything, I taught myself to code and built a website from scratch because the MD said no to the spend. That experience taught me something I have never forgotten: the tool is not the strategy. The website was not the point. What it was supposed to do for the business was the point. Digital marketing is the same. The channel is not the strategy. What the channel is supposed to accomplish, for whom, by when, and how you will know if it worked, that is the strategy.
If you are thinking about how digital fits into your broader commercial plan, the Go-To-Market and Growth Strategy hub covers the structural questions that sit underneath channel decisions, from positioning to measurement to scaling.
The Measurement Problem That Makes Digital Look Suspicious
One of the reasons digital marketing attracts scepticism is that it produces a lot of numbers that are easy to generate and hard to interrogate. Impressions. Reach. Engagement rate. Click-through rate. Cost per click. These metrics are real. They describe things that happened. What they do not always describe is whether those things mattered commercially.
When I was at lastminute.com, I ran a paid search campaign for a music festival. Simple campaign, clean targeting, clear offer. Six figures of revenue came in within roughly a day. There was no ambiguity about whether it worked. The link between the channel and the commercial outcome was direct and traceable. That kind of clarity is possible in digital marketing. It is not the default state.
The default state is a dashboard that shows traffic going up while revenue stays flat, or cost per click going down while customer acquisition cost goes up, or engagement metrics that look healthy while the pipeline is empty. These are not signs that digital marketing is illegitimate. They are signs that the measurement framework is disconnected from the commercial objective.
Honest measurement in digital marketing means tracing activity back to outcomes that the business actually cares about. Revenue. Margin. Customer acquisition. Retention. If you cannot draw a line, however approximate, between your digital spend and one of those outcomes, you do not have a measurement problem. You have a strategy problem.
Tools like Hotjar and CrazyEgg can help you understand what users are actually doing on your site, which is a more useful signal than aggregate traffic numbers. But behaviour data is still a means to an end. The end is a commercial outcome.
Where Digital Marketing Gets Misrepresented
There is a version of digital marketing that is sold aggressively and delivered poorly. Agencies promising first-page rankings in 30 days. Social media consultants guaranteeing follower growth as a proxy for business growth. Influencer campaigns with reach metrics that have no relationship to purchase intent. These are real, they are common, and they are the primary source of legitimate scepticism about whether digital marketing works.
But confusing bad practitioners with a broken discipline is a category error. Plenty of financial advisers give bad advice. That does not make financial planning illegitimate. Plenty of builders do poor work. That does not mean construction does not work. The same logic applies to digital marketing.
Having judged the Effie Awards, I have seen the other side of this. The work that gets recognised at effectiveness level is not clever for its own sake. It is commercially grounded. It started with a clear problem, chose channels that could actually reach the right people, and measured outcomes that the business cared about. That work exists. It is not rare. It is just not what most businesses experience when they buy “digital marketing” from a generalist agency at a low monthly retainer.
The reason go-to-market feels harder than it used to is partly because the channel landscape has fragmented and partly because the bar for quality has quietly risen. Audiences are more sophisticated. Ad blindness is real. Generic content produces generic results. The businesses that get strong returns from digital marketing are the ones that treat it as a serious commercial discipline, not a content production exercise.
The Channels That Consistently Deliver and Why
Not all digital channels are equal, and they are not equal in the same way for every business. The channels that consistently deliver commercial results share a few characteristics: they reach people who are already in a relevant frame of mind, they allow for precise enough targeting to reduce waste, and they support measurement that connects to real outcomes.
Paid search is the clearest example. Someone types a query into a search engine. They have already told you what they want. A relevant ad, a credible landing page, a clear offer. The conversion mechanics are straightforward and the measurement is direct. That is why paid search has remained the largest single category of digital ad spend for years. It captures demand that already exists. It does not create it, but for most businesses, capturing existing demand is the faster commercial win.
Organic search is slower and less controllable, but it compounds. Content that ranks for the right queries keeps delivering without ongoing spend. The economics are different from paid, and the time horizon is longer, but the commercial logic is sound. SEMrush’s analysis of growth channels consistently shows organic as one of the highest-ROI sources over a 12-month-plus horizon for businesses that invest in it properly.
Email marketing, when it is built on a permission-based list and used to deliver genuinely useful content or relevant offers, remains one of the most commercially efficient channels available. The businesses that dismiss it are usually the ones that have only ever used it badly.
Social media is more complicated. Organic reach on most platforms has declined sharply. Paid social can work well for awareness and for audiences that are hard to reach through search, but it requires more creative investment and more careful measurement than many businesses apply to it. The question is not whether social works. It is whether the specific use of social you are funding is doing something useful.
What Separates Digital Marketing That Works From Digital Marketing That Does Not
After managing hundreds of millions in ad spend across thirty-odd industries, the pattern is consistent. The businesses that get strong results from digital marketing share a small number of characteristics. The ones that do not share a different set.
Businesses that get results start with commercial clarity. They know what they are trying to achieve, they know who they are trying to reach, and they have a credible hypothesis about why a particular channel will help them reach those people. They measure outcomes, not just activity. They are willing to stop doing things that are not working, even when those things look busy.
Businesses that do not get results typically start with channel selection. “We need to be on Instagram.” “We should be doing SEO.” “Let’s run some Google ads.” The channel comes first, the strategy comes second or not at all, and the measurement is whatever the channel’s native dashboard produces. This is not digital marketing. It is digital activity, and it is why so many businesses conclude that digital marketing does not work.
There is a useful framework from Forrester’s intelligent growth model that separates growth into acquisition, retention, and expansion. Most businesses over-invest in acquisition and under-invest in retention and expansion, partly because acquisition is more visible and partly because digital channels make it easy to run acquisition campaigns without thinking too hard about what happens next. The businesses that get the best returns from digital marketing tend to think across the full customer lifecycle, not just the top of the funnel.
Growth hacking as a concept gets applied to digital marketing in ways that are sometimes useful and often not. The examples that actually hold up are the ones where a specific insight about user behaviour led to a specific change that produced a measurable commercial outcome. The ones that do not hold up are the ones where “growth hacking” means trying a lot of things quickly and calling whatever stuck a success. Speed without direction is not a strategy.
How to Evaluate Whether Your Digital Marketing Is Legitimate
If you are running digital marketing and are not sure whether it is working, there are a small number of questions worth asking. They are not complicated. Most businesses avoid them because the answers are uncomfortable.
First: can you trace a specific channel back to a specific commercial outcome? Not a proxy metric. Revenue, customers acquired, retention rate, average order value. If you cannot, either the tracking is broken or the channel is not connected to anything that matters commercially.
Second: do you know who you are trying to reach, specifically? Not “small business owners” or “marketing managers.” A specific person with a specific problem at a specific point in their decision process. If the answer is vague, the targeting will be vague, and vague targeting produces wasted spend.
Third: is the message you are delivering relevant to the person you are reaching at the moment you are reaching them? Relevance is not about personalisation tokens in an email subject line. It is about whether what you are saying is genuinely useful or compelling to the person reading it, given where they are in relation to your product or service.
Fourth: are you measuring the right things? A dashboard full of green numbers is not evidence of marketing effectiveness. It is evidence that someone has set up a dashboard. The right metrics are the ones that connect to commercial outcomes, even if the connection is indirect and requires honest approximation rather than false precision.
Fifth: are you willing to stop doing things that are not working? This is the hardest one. Sunk cost thinking is pervasive in marketing. Businesses keep running campaigns that are not producing results because they have been running for a while, or because stopping them would require admitting they were wrong to start them. The willingness to cut, reallocate, and test something different is what separates commercially serious digital marketing from activity for its own sake.
When I was scaling an agency from 20 to 100 people, one of the things I learned about internal operations applies equally to client marketing: agility at scale requires discipline about what you stop doing, not just what you start. The same is true for digital marketing programmes. The accumulation of channels and campaigns without regular pruning is one of the main reasons marketing budgets become inefficient over time.
If you want to go deeper on how digital marketing fits into a broader growth architecture, the Go-To-Market and Growth Strategy hub covers the structural decisions that sit above channel tactics, including how to sequence investment, how to think about market entry, and how to build a measurement framework that connects to commercial outcomes rather than dashboard metrics.
The Honest Answer to Whether Digital Marketing Is Legitimate
Digital marketing is legitimate. The channels work. The mechanics are sound. The commercial results, when the discipline is applied properly, are real and traceable. The problem is not the medium. The problem is the gap between what digital marketing is and what most businesses are actually doing when they say they are doing it.
That gap is not inevitable. It is a function of starting with channels instead of objectives, measuring activity instead of outcomes, and treating digital marketing as a production exercise rather than a commercial discipline. Close the gap and the legitimacy question answers itself.
The businesses I have seen get the most from digital marketing are not the ones with the biggest budgets or the most sophisticated technology stacks. They are the ones with the clearest commercial thinking. They know what they want, they know who they are talking to, they choose channels that can actually reach those people, and they measure whether it worked. That is not complicated. It is just disciplined, and discipline is rarer than it should be.
Digital marketing works. Whether yours does is a different question, and only you can answer it honestly.
About the Author
Keith Lacy is a marketing strategist and former agency CEO with 20+ years of experience across agency leadership, performance marketing, and commercial strategy. He writes The Marketing Juice to cut through the noise and share what works.
