When a website doesn’t deliver, the instinct is to look at the website. The design feels dated, the conversion rate is disappointing, and the traffic isn’t converting. So the decision gets made to rebuild, and the process starts again with a new agency, a fresh set of wireframes, and a budget that feels significant enough to fix the problem.
Six months later, the new site launches. It looks considerably better. And within a year, the same complaints resurface.
The website is rarely the problem. The brief is.
What a Brief Actually Does
A website brief is not a document that describes what you want. That’s what most people think it is, and that misunderstanding is where most projects go wrong.
A brief is a document that defines the problem you’re trying to solve. Those are different things. What you want is usually a description of features, aesthetics, and functionality. The problem you’re trying to solve is about your business: who you’re trying to reach, what action you need them to take, what’s currently stopping them from taking it, and what success looks like in terms you can actually measure.
When a brief starts with “we want a modern, clean website with a strong hero image and clear calls to action,” it has already skipped the only part that matters. Every agency that receives that brief will produce something that looks the part. None of them will have been given enough information to produce something that works.
The Questions Most Briefs Don’t Answer
A brief that sets a project up to succeed needs to answer a specific set of questions that most clients either skip or answer too vaguely to be useful.
Who is the primary audience, and what do they need to understand or feel before they’ll take the action you want? Not a demographic description, but a genuine account of their decision-making process. What are they weighing up? What objections do they typically have? What does the competition offer them, and why might they choose you instead?
What is the single most important thing a visitor should do on the site? Not a list of things. One thing. If everything is a priority, nothing is, and the design will reflect that.
What does success look like at six months and at twelve? If you can’t answer this before a single wireframe is drawn, you have no basis for evaluating whether the project worked. Vague goals (more enquiries, better brand perception, increased awareness) produce vague results.
What isn’t working on the current site, specifically? Not “it looks old”, but: which pages have the highest exit rates, where in the funnel are users dropping off, what feedback have you received from customers about finding what they need? Data is more useful than opinion here, and most businesses have more of it than they realise.
What Agencies Can and Can’t Do
A good web design agency in London will push back on a weak brief. The best ones will run a discovery process to surface answers to these questions before a single design decision is made. They’ll ask uncomfortable questions about the business, the audience, and the metrics that have historically been avoided because they make the gap between expectation and reality visible.
But agencies are working within what they’re given. If the brief doesn’t specify success criteria, the agency will define them, often implicitly and in terms that favour what they’re good at building rather than what the business actually needs. If the audience isn’t properly defined, assumptions will fill the gap. If the primary goal isn’t clear, the site will try to do everything and do none of it particularly well.
Blaming the agency for a site that doesn’t perform is sometimes warranted. More often, the brief set a ceiling on what was possible, and the agency built to it.
Writing a Brief That Actually Works
Start with the problem, not the solution. Describe the business situation clearly: what you sell, who buys it, how they currently find you, and where the process breaks down. Be specific about what you’re trying to change.
Define your primary audience in terms of their behaviour and decision-making, not just their age and job title. Define success in numbers. Identify the one action the site needs to drive above everything else.
Include everything uncomfortable: the current data, the failed campaigns, the things customers have said that you didn’t want to hear. Agencies work better with difficult truths than with an edited version designed to present the business in its best light.
The brief is not a pitch document. It’s a working document. The more accurate it is, the better the work will be.
A website built on a clear, honest brief and designed to solve a specific problem will outperform a beautifully designed website built on a vague brief almost every time. The conversation worth having before any new web project starts isn’t about design. It’s about what the site is actually supposed to do.
