Proof & Outcomes
The cost of a bad website is measurable.
Below is the evidence — pulled straight from the published record of companies that rebuilt on a modern stack. Every figure is real. Every source is linked. The pattern is impossible to ignore.
+76%
Conversion rate
+80%
Peak revenue
4×
Faster deploys
2×
Page speed
Composite from published case studies · See sources below
The pattern
Every company in the published record that rebuilt on a modern stack made more money. Conversion rates jumped as much as 76%. Peak revenue grew 22 to 80%. Engineering shipped up to four times faster. The pattern is not a coincidence.
The evidence
Four documented rebuilds. Four sets of receipts.
Different industries. Different scales. Same outcome. Every panel below cites a published case study with the source linked. Names are generic — the numbers are real.
+76%
Conversion rate· +22% revenue
A leading denim and apparel retailer.
Before
Outdated frontend with slow mobile performance and poor SEO was capping conversion during peak traffic.
After
76% lift in conversion rate and 22% revenue growth on Black Friday — with zero downtime.
+80%
Peak-season revenue· 2× conversion
A 150-year-old global outdoor brand.
Before
Client-side-rendered storefront with 4-second load times and failing Core Web Vitals was bleeding revenue at peak.
After
2× conversion rate, 80% year-over-year peak-season growth, and load times cut from 4s to under 2s.
−75%
Build time· +10% performance
A globally recognized audio brand.
Before
Twenty-minute deploys, cache errors, and fragmented tooling were costing the equivalent of a full-time developer every year.
After
Build times dropped from 20 minutes to 5, Lighthouse scores jumped to 90+, peak season ran without incident.
4×
Faster deploys· 0.09 CLS
A widely-used productivity platform.
Before
Hour-long hotfix cycles and unpredictable traffic handling were blocking marketing-site experimentation at scale.
After
Hotfix deploys 4× faster (60min → 15min), hundreds of experiments per year, and CLS pinned in the top tier.
Same conclusion, every time
A modern site doesn't cost more.
An outdated one does.
+76%
Conversion
+80%
Revenue
−75%
Build time
4×
Deploys
What this means for you
Your site is leaking revenue right now. The only question is how much.
Every day an outdated site stays live, you lose customers who would have converted on a faster, clearer one. The percentages above are documented. Yours will be different — but they will exist, and they will compound.
Speed is revenue
Every extra second of load time costs you customers. Modern stacks ship sites that load in under 2 seconds — and that compounds across every paid click you've already paid for.
Clarity closes
If a visitor can't tell what you do in five seconds, they're gone. A real redesign starts with the message and the funnel — not the pixels. That's where conversion actually lives.
Ownership wins
You own the code, the content, and the infrastructure. No platform tax. No surprise rent hikes. No rebuild every time a vendor decides to change the rules on you.
From the published record
What the engineers said after launch.
Direct quotes from engineering leaders whose teams shipped the rebuilds above. Sourced from public case studies, linked beside each quote.
“The website handled it with no performance issues. The leadership group chat was silent — blissfully boring. Record-breaking year.”
Director of Engineering
Apparel retailer
Published case study ↗“Conversion was so high because the site was so fast. We increased our performance marketing spend three times because it was so profitable.”
Chief Digital Officer
Outdoor apparel brand
Published case study ↗“It makes our developers happier, gets us to market quicker, and lets us move with confidence. It's just a pity we didn't go sooner.”
Software Engineering Manager
Consumer electronics brand
Published case study ↗Your turn
Stop leaving it on the table.
Free 30-minute strategy call. We look at your current site, name the revenue gap honestly, and tell you exactly what it takes to close it.
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All figures on this page are drawn from publicly published case studies by companies that rebuilt on a modern web stack. They are evidence of what is possible, not promises of guaranteed results. Each panel links to its original source.