Do you need a website redesign, or just a fix?

The signal

Most sites that get redesigned to fix conversions did not have a design problem. They had two or three specific problems, and the redesign buried them under a hundred other changes.

You are about to spend somewhere between eight and forty thousand euros.

Maybe you have the quote open in another tab. Maybe an agency has already walked you through the moodboard and you liked it. The site feels dated, sales are flat, and a redesign feels like the grown-up decision.

Here's the kicker. Conversion.com reviewed more than 60 client redesigns and found that fewer than one in four produced a measurable improvement in conversion rate. Most changed nothing. A meaningful share made things worse.

So before you sign anything, it is worth ten minutes to work out which problem you have.

Do you need a website redesign, or do you need a fix?

You need a redesign when the site cannot do the job at all: the platform blocks what you need to sell, the brand is genuinely wrong, or the structure cannot hold the products you now have. You need a fix when the site works and specific pages leak. Most businesses that book a redesign are in the second group.

The two problems feel identical from the inside. Both show up as flat revenue and a vague sense that the site is letting you down.

They are not the same thing, and the wrong choice costs about thirty grand.

How do you tell which one you have?

Run five checks. Each takes about two minutes and needs nothing but your analytics and your own site on a phone. Count how many you answer yes to. Four or five yes answers points to a rebuild. Zero to two points at a fix.

1. Can you name the pages that leak? Open your analytics and find your top five landing pages by traffic. If one converts at a third of the others, you have a page problem. A page problem is a fix. If they are all equally poor, that is more structural.
2. Does your platform block something you need to sell? Not "it is annoying to edit." Something you genuinely cannot do: subscriptions, multi-currency, a configurator, proper variants. If nothing is truly blocked, the platform is not your problem.
3. Has your business changed since the site was built? Different customer, different price point, different product line. A site built for one business rarely holds a different one. That is a real rebuild trigger.
4. Would a stranger describe what you sell correctly? Show your homepage to someone outside your industry for five seconds, then hide it and ask what you sell and who for. If they cannot say it, that is usually copy and hierarchy. Copy and hierarchy are a fix.
5. Is it slow on a phone? Run your page through PageSpeed Insights on mobile. If Largest Contentful Paint is over 2.5 seconds, that is worth fixing, and it is a fix. A rebuild will not automatically make it faster. Plenty of new sites launch slower than the ones they replaced.

If you would rather not work through five checks by hand, Revslip runs them on your URL and puts a monthly figure on each thing it finds.

Why do so many redesigns fail to move the needle?

A redesign changes everything at once, which makes the result impossible to read. CXL's argument is that when a hundred things move together, wins and losses cancel out and nobody can tell which change did what. You end up with a new site, a flat conversion rate, and no information.

Think about what that means in practice.

Say your old site had one genuinely good page. It converted well because of something nobody documented: the order of the sections, a line of copy, a bit of proof sitting right above the button. The redesign replaces it with something cleaner.

Conversion drops four percent. Was that the good page you destroyed, or the new navigation, or the hero image, or the fact that the new build ships 300KB more JavaScript?

Nobody knows. That is the real cost, and it is worse than the invoice.

A redesign does not only risk your conversion rate. It destroys the evidence you would need to work out what went wrong.

What does the research say about big-bang rebuilds?

The strongest published position comes from CXL, who argue that a full redesign should be treated as a high-risk event rather than a routine upgrade, and that the safer path is changing one thing at a time so each change reports its own result. Conversion.com's client review points the same way, with page speed regression and removed content named as the usual causes of a drop.

Two things get lost in most rebuilds, and both are avoidable:

1. Speed. New builds tend to be heavier. More fonts, more script, bigger images, a fresh analytics stack. If the old site loaded in 1.8 seconds and the new one takes 3.4, you have paid to lose money.
2. Content that was quietly working. The FAQ nobody liked. The long boring specifications table. The testimonial with a real name and a real number in it. These get cut for looking untidy, and some of them were doing the selling.

Here is the part worth being honest about: this is a small evidence base. Conversion.com's 60 clients is one agency's book, not a controlled study. It is directional, not definitive. What makes it credible is that it points the same direction as the mechanism, and nobody has published a serious counter-argument showing big-bang redesigns reliably lift conversion.

How do you fix a site without rebuilding it?

Work in this order. Every step reports its own result, which is the whole point.

1. Find the leak before you touch anything. Rank your pages by traffic multiplied by the gap between their conversion rate and your best page's. That gives you a shortlist of two or three pages worth any effort at all.
2. Fix the message before the layout. Headline, subhead, the first thing a stranger reads. It costs nothing and it is the most common finding in any audit. Layout changes cost ten times more and usually move less.
3. Cut friction on one page. One form, one checkout, one signup. Remove what nobody uses. Then look at the number two weeks later before you touch anything else.
4. Then, and only then, consider design. By this point you know which pages matter and what the message should be. A designer given that brief produces something completely different from one given "make it modern."

Most sites get most of the available gain in step two.

How will you know it worked?

Watch conversion rate on the specific page you changed, not the site-wide number. Compare two full weeks against the two weeks before, matched day for day. Under roughly 400 conversions a fortnight, treat the result as directional rather than proven. Change one thing at a time or you lose the ability to attribute anything.

And be honest about statistical reality. If your site does 60 sales a month, you will never get a clean A/B result on a headline change. That does not make the change wrong. It means your evidence is the mechanism and the before-and-after, not a significance calculator.

That is uncomfortable, and it is still better than pretending. Most of the "data-driven" advice online quietly assumes you have ten times the traffic you have.

When is a redesign genuinely the right call?

When the site cannot do the job. Not when it is ugly, not when you are bored of it, and not when a competitor launched something shiny. Four situations genuinely justify a rebuild, and none of them are about taste.

1. The platform blocks revenue. You cannot sell subscriptions, or take the currencies you need, or run the product configurator your customers keep asking for.
2. The business genuinely changed. Different buyer, different price, different category. The old site was built for a company that no longer exists.
3. It is broken on mobile in ways patching cannot reach. Not "the CTA sits too low." Layout that fails at 360px because of how the whole thing was built.
4. The brand is actively working against you. Rare, and usually claimed more often than it is true. If you sell to enterprise and the site looks like a 2013 hobby project, that is real.

Even then, the sequence matters. Diagnose first, then redesign with a list of known problems in hand. A rebuild that fixes documented issues is a completely different project from a rebuild that hopes.

Common questions

How much does a website redesign cost?

For a small business site, agency quotes commonly land between eight and forty thousand euros depending on page count, platform and whether content is included. Freelancers run lower. The number that matters more is the opportunity cost: three to six months where you are building instead of fixing and learning.

Will a redesign improve my SEO?

Usually not, and it frequently hurts. URL changes, lost internal links and slower pages are the three common ways a rebuild loses traffic. If you do redesign, map every old URL to a new one and keep the pages that already rank structurally intact.

My site looks outdated. Isn't that costing me sales?

Sometimes, but far less than founders assume. Clarity beats fashion for conversion. A plain page that says exactly what it sells and who for will out-convert a beautiful page that makes a stranger work it out. Fix the message first, and see what is left.

Can I do a partial redesign instead?

Yes, and it is usually the better move. Rebuild one template at a time, starting with your highest-traffic page, and measure each one. You get most of the visual upgrade, you keep the ability to attribute results, and you can stop if something goes wrong.

How do I find out what is actually broken?

Split your analytics before you spend anything. The traffic but no sales diagnostic ranks the usual causes by how often each one turns out to be the culprit, with a check for each.

If you want to know which pages are leaking before you decide, the phone field breakdown and the form length analysis both show the kind of specific finding a diagnosis turns up. Revslip's audit checks about 200 of them and puts a monthly cost on each.