Most redesigns start with an idea that sounds great in a meeting. Everyone agrees it’s worth doing, the project gets the green light, and then the team spends the next three months turning that idea into a website. The problem is, the people who actually use the site often don’t get a say until the end when the budget is spent and changing direction is a lot harder.
No one usually sets out to work that way. It just happens when nobody stops to test the idea and find out whether it actually works before investing months and a big chunk of the budget in building it.
A design sprint exists to break that pattern. Instead of arguing over an idea for weeks, a small team compresses the whole cycle of problem, prototype, and test into five days. This article looks at how leading web design companies approach design sprints, and why the ones who run them well treat the process as a decision tool, not a creative workshop.
The Sprint Was Built To Kill Guesswork, Not Speed Up Design
The design sprint format comes from Jake Knapp’s work at Google Ventures, which he later wrote about in his book Sprint. The idea is pretty simple: Monday is about figuring out the problem, Tuesday is for coming up with different solutions, Wednesday is when the team picks one, Thursday is spent building a realistic prototype, and Friday is when real users get to try it.
The goal: to find out early whether an idea was actually worth building. In other words, answer the expensive question before a company spends months of engineering time turning an untested assumption into a finished product.
Plenty of teams borrow the sprint’s schedule, the sticky notes, the whiteboard sketching, without borrowing its purpose. What comes out looks like a sprint but behaves like a long workshop. Strong web design teams keep the sprint pointed at one question, answered under real conditions, not a five-day brainstorm that happens to end on a Friday.
Picking The Wrong Question Ruins The Whole Week
The first mistake happens before the sprint even starts. A team picks something broad and vague, “improve the homepage,” “make onboarding better”, and spends five days designing in circles because nobody agreed on what “better” would actually look like.
Teams who’ve done this a few times narrow the target hard before Monday. Don’t start with a broad question like, “How should we redesign the checkout flow?” Start with something you can actually test, such as: Will simplifying the shipping step reduce mobile cart abandonment?
A focused question makes it easier to build the right prototype, and it gives you something concrete to look for when real users test it. By Friday, you’re trying to answer a specific question and not just collecting opinions.
Running the sprint format without a real decision riding on it produces a polished prototype that answers nothing. A sprint without a sharp question is just an expensive, well-organized way to keep guessing.
The Map Comes Before Anyone Sketches Anything
Before anyone starts sketching solutions, good teams spend some time understanding what the user is actually doing. Where do they come in? What are they trying to accomplish? Where do they usually get stuck or drop off?
It can feel like a slow start when everyone is eager to start designing, but this step gives the rest of the week some direction. Without it, teams often end up designing the part of the problem that’s easiest to see or talk about, rather than the part that’s actually causing users trouble. A support ticket log, a heatmap, or a stack of past user complaints often matters more here than a mood board ever will.
Individual Sketching Beats Group Brainstorming
Here’s a detail that surprises people who haven’t sat through one of these: the sprint deliberately avoids open brainstorming. Ideas are developed individually first. Each person takes some time to sketch out their thinking before showing it to the rest of the group. That’s deliberate. When everyone brainstorms together, the loudest or quickest person in the room can easily steer the conversation, even when their idea isn’t necessarily the best one. It can also lead to a bunch of half-baked ideas because people are trying to come up with something on the spot.
Working alone gives each person time to actually think an idea through. By the time everyone shares their sketches, the team is choosing between a handful of ideas that have been properly worked out, not a whiteboard full of random suggestions from a meeting.
A Fake Prototype Still Has To Feel Real
By Thursday, the team has something that looks finished enough to hand over to a complete stranger, even though most of it doesn’t actually work. The buttons might not do anything, and some parts are really just there to make the experience feel real enough to test. Forms that don’t submit. That’s intentional. The prototype only needs to survive a few minutes with a real user, not power an actual product.
The trap is spending too much polish on parts nobody’s going to test and too little on the parts that matter. A prototype’s whole job is to make Friday’s test feel believable. Nothing more.
A Coffee Company Shows Why This Works
Blue Bottle Coffee is a good example of how this approach can work. The company had built a strong following through its cafes, but online sales were still a small part of the business. And the website didn’t quite give people the same experience or feeling they got when they visited a store.
Rather than jump straight into a redesign, the team first spoke with real coffee drinkers about how they shop online. Then they ran a one-week sprint to try out different ideas with actual customers before committing to a larger redesign. The sprint started with understanding how someone unfamiliar with specialty coffee actually makes a buying decision on a screen, which is a very different problem than making a page look good.
The lesson here is that the sprint forced a translation problem, i.e., in-store hospitality into an online experience, to get solved with evidence instead of taste.
Five Users Reveal More Than Most Teams Expect
The sprint ends with real people trying the prototype, not the design team’s own opinions about it. You don’t need a huge group of people to find useful usability problems. Research from the Nielsen Norman Group going back to the late 1980s found that testing with just five users can uncover a surprisingly large share of the problems you’d find with many more participants.
The reason is pretty simple: the first few people tend to run into the same major issues. Once you’ve watched several users struggle with the same thing, you usually have a pretty good idea of what needs fixing. Later researchers have pushed back on how far that holds, especially when a product serves very different kinds of users, and that caveat is worth taking seriously. But inside a sprint, the logic still works: five focused sessions are usually enough to tell a team whether its direction is worth pursuing, or needs to change before real money gets spent building it.
Seeing a real person struggle with a screen can settle an argument pretty quickly. Something the team might have spent weeks debating in a conference room becomes much easier to understand when you watch someone actually use the product and get stuck.
Friday Isn’t the Finish Line
The sprint isn’t supposed to end with a polished, finished design. It’s supposed to end with a decision. Maybe the idea is good enough to build. Maybe it clearly isn’t. Or maybe there’s something there, but the idea needs to be simplified and tested again.
That decision is really the whole point of the week. If Friday just feels like the end of a workshop, everyone goes back to their normal work and the prototype can easily get forgotten in some folder. Before long, the team is back to making decisions based on assumptions, just like it was before the sprint started.
What Makes a Sprint a Real Sprint?
Calling something a “sprint” doesn’t make it one. The real test is what happens during the week. Are you trying to answer a specific question? Are people building and testing an actual prototype? Are real users involved? And, most importantly, does what you learn lead to a decision? If the answer is no, you probably have a workshop, not a sprint.
Before hiring an agency to run one, it’s worth asking exactly what question the sprint is meant to answer, who’s actually getting tested on Friday, and what happens to the prototype afterward regardless of how the test goes. An agency that can’t answer those questions clearly probably hasn’t run many sprints that actually changed a project’s direction.
A design sprint is worth doing when it helps you answer a real question by watching real people use something. The useful part is the process: get clear on the problem, build only what you need to test the idea, and then let real users show you whether it works. That’s much more useful than spending weeks debating what might work. That can save weeks of meetings, revisions, and arguing over what might work.
If you’re looking for an agency with experience in this area, browse our vetted list of web design agencies and look for a team that knows how to run a design sprint properly.