Many businesses invest thousands into a new website, only to realise months later that it looks better but performs the same or even worse. The problem is not usually the design team. It is that most projects start without clear success measures. If you do not define what you want to improve, you cannot know what you have gained.
A redesign should be more than a visual refresh. It should make the business run better, convert more leads, close more sales, reduce admin, improve customer trust, or attract higher-value clients. The only way to know if that has happened is to calculate your return on investment (ROI).
Why ROI matters in business terms
Your website is one of your most valuable sales tools. A redesign is a major investment in both cost and time, yet many companies never measure what they got back.
When you know your ROI, you can justify the spend to your board or partners, identify which parts of your site drive real results, and plan future improvements with confidence. ROI shifts the conversation from design opinions to business outcomes like revenue, efficiency, and trust.
Key Tip: Most redesigns fail because they chase new visitors instead of improving how well existing visitors convert. The quickest gains often come from increasing conversions rather than increasing reach.
1. Define what “return” really means for your business
ROI begins with clarity. You need to define what success looks like for your organisation. For some, it is more online sales. For others, it is better lead quality, fewer support calls, or faster checkout.
It is tempting to track easy numbers like page views or traffic, but these rarely tell the full story. Instead, focus on metrics that connect directly to revenue or efficiency.
If your goal is sales, look at conversion rate, average order value, and repeat purchase rate.
If your goal is leads, measure quote requests or demo bookings.
If your goal is trust, check bounce rate, engagement time, or customer satisfaction.
If your goal is efficiency, note hours saved or reduced admin tasks.
When you link ROI to these real outcomes, every decision about your website becomes clearer and easier to justify.
2. Calculate your total investment
The “I” in ROI includes everything you spend to make the redesign happen, not just what you pay your agency.
Think about:
- Design and development costs: The full project fee, platform setup, and integrations.
- Content creation: Copywriting, brand messaging, or photography.
- Internal time: Hours your team spends planning, reviewing, or migrating content.
- Training and maintenance: Learning a new CMS, updating content, or fixing small issues after launch.
Understanding the full investment helps you calculate ROI accurately and prevents underestimating what it truly takes to deliver a strong redesign.
3. Measure what changes after launch
Once your new site goes live, give it time to settle before judging results. Two or three months of consistent data usually shows clearer patterns.
Track the metrics that signal genuine business impact:
- Conversion rate: Are more visitors taking action such as purchasing or enquiring?
- Average order value: Are customers spending more per transaction?
- Lead quality: Are enquiries more relevant or easier to convert?
- Cost per acquisition: Are marketing costs per sale or lead going down?
- Time saved: Are team members managing the site more efficiently?
Even small improvements in these areas can quickly add up to strong ROI.
4. Use a simple ROI formula
A straightforward way to calculate ROI is:
ROI = (Net Gain from Investment – Cost of Investment) ÷ Cost of Investment × 100
Here is a practical example.
Imagine your old site converted at 1.5 percent, and your new one converts at 2.5 percent. You receive around 10,000 visits a month, and your average sale is $150.
Old site: 10,000 visits × 1.5% × $150 = $22,500 per month
New site: 10,000 visits × 2.5% × $150 = $37,500 per month
That is an extra $15,000 per month in revenue.
If your redesign cost $30,000, you would break even after two months of improved performance. From month three onward, you are in profit.
Even small lifts in conversion can pay for the redesign in a short time.
5. Recognise non-financial returns
Not every return appears as revenue, but that does not make it less valuable.
Brand credibility and trust
A dated or clunky site can make potential customers hesitate. A clean, mobile-friendly site builds confidence and can improve lead quality even before sales numbers rise.
Staff efficiency
If your team can update pages easily, add content without delays, or avoid technical issues, you are saving hours every week. Those hours translate directly into value.
Long-term flexibility
A well-built, scalable site makes future updates faster and cheaper. Over time, that flexibility compounds into significant savings.
6. Build ROI thinking into the redesign process
The smartest way to improve ROI is to plan for it before you start. Every design and content choice should support measurable business goals.
Set measurable goals early
Define success in numbers. For example, “increase qualified leads by 25 percent within six months” gives your project focus and accountability.
Map metrics to the user journey
Follow how visitors move through your site. Identify where they drop off and what stops them from converting. Small usability improvements often deliver big results.
Prioritise the highest impact changes
You may not need a full rebuild. Sometimes, improving homepage messaging or streamlining the checkout process delivers faster ROI than a complete redesign.
Record your baseline
Keep a record of your old site’s key numbers before launch. This gives you a solid benchmark to measure improvements against later.
Review regularly
ROI is not a one-off calculation. Review your metrics every quarter, refine what is working, and address what is not.
7. A real-world example
A Christchurch manufacturer replaced an outdated WordPress site with a new Webflow build. Their goal was not just to modernise their look but to reduce sales admin and improve lead quality.
Within three months of launch, quote requests had doubled. The sales team saved about five hours each week because leads arrived better qualified. The new product catalogue also reduced repetitive customer questions.
By linking the redesign to clear goals around time savings and lead quality, the company achieved around 120 percent ROI within six months, all without increasing ad spend.
Common misconceptions about redesign ROI
“We will know it is worth it if it looks better.”
A better-looking site does not always perform better. Without clear goals, design improvements can be superficial.
“You cannot measure ROI for brand awareness.”
You can. Look at direct traffic growth, branded search terms, or referral quality. These indicate stronger visibility and trust.
“ROI takes years to show.”
Not always. Conversion-based improvements can show results in a few months. For efficiency or brand goals, track progress quarterly and look for consistent trends.
“It is too complicated.”
It does not need to be. Choose a few meaningful metrics and track them carefully. Simplicity creates clarity.
What to do now
- Define your ROI goals before starting.
Decide what success means in business terms, not just design aesthetics. - Record your current performance.
Note your baseline numbers such as traffic, enquiries, and sales before redesigning. - Track numbers that matter.
Focus on revenue, lead quality, and time saved instead of surface-level stats. - Use the simple ROI formula.
Compare what you gained against what you invested to see your true return. - Keep improving.
ROI grows with consistent optimisation, not just one launch.
Want expert help?
If you would like to measure or improve the ROI of your next website redesign, get in touch with the Skyrocket team. We help New Zealand businesses build Webflow and Shopify sites that deliver clear, measurable results.

