/ CRO agency research first, senior-led
The conversion rate optimisation agency that starts with research.
A conversion rate optimisation agency should be able to tell you why visitors leave before it suggests a single test. We start with your analytics, recordings, surveys and checkout data, fix the obvious leaks, then test the rest properly. Senior specialists only, building directly on Shopify, WordPress and Webflow.
The specialist who would run your tests writes your audit.
Want the full scope? Conversion rate optimisation services: what is included
Illustrative growth curve. The totals are real, rounded down.
Fixes live within two weeks/ Sound familiar?
You ran the tests. Nothing moved.
Most CRO programmes stall for the same few reasons. The tests are guesses, the traffic is too thin to read them, or the winners never make it onto the live site.
Button colours and hero swaps
Tests were picked from a best-practice list, not from your own data. Cosmetic changes rarely move revenue, so months go by with flat or inconclusive results.
Winners called after four days
A tool declared a winner at 95% after a weekend spike. You shipped it, conversion slipped back, and now nobody on the team trusts a test result.
Checkout leaks nobody measured
Shipping costs revealed late, forced account creation, a payment method missing in one market. The biggest losses sit in checkout and never made the test plan.
Paid clicks landing on the homepage
Your ads promise one thing and the page shows another. Every extra bit of budget buys more visitors who arrive, look around for a moment and leave.
Good CRO is mostly research and fixing. Testing is how you settle the questions research can't answer on its own.
/ What we work on
What our CRO agency actually does.
Our conversion rate optimisation services cover five areas. Research comes first in every engagement; the rest follows from what it finds.
Research before any test
Our conversion rate optimisation agency starts every engagement with research: GA4 funnel reports, heatmaps, session recordings, on-site surveys and a walk through your checkout on real phones. The output is a ranked list of problems backed by evidence, not opinions.
Why it matters: a test built on evidence from your own visitors wins far more often than one copied from someone else's case study.
- GA4 funnel and drop-off analysis by device and channel
- Heatmaps and session recordings in Microsoft Clarity or Hotjar
- Exit and post-purchase surveys asking what nearly stopped people
- Checkout walkthroughs on real iOS and Android devices
- Reviews and support tickets mined for recurring objections
- Tracking verified first by our marketing analytics agency team
Product page and checkout fixes
Most revenue is lost between the product page and the order confirmation. We fix what the research shows: unclear delivery dates, hidden costs, weak images, confusing variant pickers, missing payment methods and forms that fight the customer on mobile.
Why it matters: a shopper lost at checkout has already cost you the click and the visit, so winning them back is the cheapest growth available.
- Delivery dates, returns and total costs shown before the cart
- Variant pickers, size guides and stock messages that remove doubt
- Product images and video ordered by what buyers check first
- Express checkout with Shop Pay, Apple Pay, PayPal or Klarna
- Guest checkout, shorter forms and address autocomplete on mobile
- Shopify specifics: Checkout Extensibility, app bloat, theme speed
Landing pages for paid traffic
Paid visitors arrive carrying a specific promise from an ad. We build landing pages that keep it: matching headline and offer, one clear action, proof near the button and fast loading on mobile, so the same budget brings in more customers.
Why it matters: lifting landing page conversion lowers your cost per acquisition without touching a single bid, which makes every paid channel easier to scale.
- Message match between ad, keyword and page headline
- Separate pages for search intent, cold social and retargeting
- Lead forms trimmed to the fields sales actually uses
- Built in Shopify, WordPress, Webflow or your page builder
- Core Web Vitals checked, especially LCP on mobile
- Planned with our performance marketing agency team
A/B testing done properly
When research leaves a real question open, we test it. Each test has a written hypothesis, one primary metric, a sample size calculated before launch and a fixed run time covering full weekly cycles. If your traffic can't support a test, we tell you.
Why it matters: tests stopped early or read on the wrong metric produce false winners, and false winners quietly cost you revenue for months.
- Hypotheses scored on evidence, impact and effort before building
- Sample size and minimum detectable effect fixed before launch
- Run for full weeks, never stopped on a lucky spike
- Revenue per visitor and AOV read alongside conversion rate
- VWO, Convert or Optimizely, or Intelligems and Shoplift on Shopify
- Low-traffic sites get evidence-led fixes instead of underpowered tests
Rollout and a test library
A winning variant only pays once every visitor sees it. We build winners into your theme or brief your developers, log each result in a shared test library, and feed what we learn into your ads, emails and product pages.
Why it matters: one insight, say that delivery speed beats a discount for your buyers, usually improves your ads and emails as well.
- Winners built into the live theme, not left running in a tool
- A test library with hypothesis, result, screenshots and learnings
- Losing tests documented, so nobody reruns the same idea
- Winning messages reused in flows by our email marketing agency team
- Monthly report on revenue per visitor, orders and conversion
- Quarterly review of what to test, fix or drop
/ How it works
How a CRO engagement runs.
Getting from a first look to a steady testing rhythm usually takes about a month. After that it becomes a routine.
Free written audit
We review your funnel, product pages and checkout, and send a written audit within 48 hours covering the leaks we can already see from outside.
You get: the first fixes worth making, ranked.
Research sprint
Tracking checks, GA4 funnels, recordings, heatmaps, surveys and device testing. Clear fixes that need no test go live within two weeks of kickoff.
You get: a ranked backlog of problems and hypotheses.
First tests and fixes
We build the first tests with sample sizes agreed in advance, and ship obvious fixes straight to your theme or to your developers as tickets.
You get: tests running on real traffic, fixes live.
Test, learn, roll out
Weekly updates, a monthly report on revenue per visitor and conversion, and a quarterly reset of the backlog with whoever owns ecommerce or growth.
You get: a growing library of what works for your customers.
/ Results
What conversion work did for a DTC brand.
These figures come from a DTC accessories brand where we ran email, website and conversion work together. CRO was one part of that programme, so read them as the combined result, not the outcome of a single test.
DTC accessories brand
Email, website, CROmonthly sales, year on year
Same month, one year apart. The first month was our first month together.
Our clients' data stays theirs, so we show rounded totals rather than their dashboards.
/ Is this for you?
When a conversion rate optimisation agency makes sense.
✓A great fit if you are
- You already buy traffic and want each visit to be worth more before you spend more
- A Shopify or DTC store with steady orders and a product page or checkout you suspect is leaking
- A lead gen site where forms get filled but too few leads turn into sales calls
- Tried testing before and got inconclusive results or winners that faded after launch
- Want fixes shipped not a deck of recommendations your developers never get round to
✕Probably not a fit if you
- Traffic is the real problem. With only a few hundred visits a week, fix acquisition first; see our SEO services
- Want a full redesign at once. CRO changes a site step by step with evidence, not a new look overnight
- Want a promised uplift figure. Nobody honest can give one before the research is done
- Only need a tool installed. If you just want Hotjar or VWO set up, a freelancer will cost less
/ Before you hire
Questions to ask any CRO agency.
Ask every agency on your list these, us included. The answers show whether you're buying research and sound statistics, or a stream of guesses dressed up as experiments.
Where do your test ideas come from?
A strong answer names sources from your own site: funnel data, recordings, surveys, support tickets, reviews. If ideas come mainly from a best-practice list or past clients, expect cosmetic tests and flat results.
How do you decide a test is finished?
Listen for sample size and run time fixed before launch, full weekly cycles and no peeking at interim results. 'When the tool says 95%' is exactly the answer that produces false winners.
What if our traffic is too low to test?
An honest agency admits some sites can't support reliable A/B tests and explains the alternative: evidence-led fixes, bolder changes, or testing only on your highest-traffic templates.
Which metric decides a winner?
Conversion rate alone can mislead. A good answer adds revenue per visitor and average order value for ecommerce, or qualified leads instead of raw form fills for lead generation.
Who builds the tests and ships winners?
Ask whether they code variants themselves, how they prevent flicker, and who moves winners into the live theme. Winners left running inside a testing tool for months are a warning sign.
Can we see a past test write-up?
Ask for one with client details removed. It should show the evidence, the hypothesis, the setup, the result and what was learned, and it's a good sign if they show a losing test too.
Sending paid search traffic to the pages you're optimising? See how we plan it with our PPC agency team.
/ Your options
Ways to buy conversion work.
There's more than one way to improve a site's conversion, and each has its place. Here's a fair look at the options.
| A testing tool alone | Design or dev agency | Test-only CRO shop | Perfometrics | |
|---|---|---|---|---|
| Where ideas come from | Your team's hunches | Design taste and briefs | Research, often thorough | ✓Analytics, recordings, surveys and checkout data |
| Statistical rigour | Depends who reads the results | Rarely a focus | Usually strong | ✓Sample sizes and run times fixed upfront |
| Ships winners to the live site | Your team does | Yes, building is their strength | Often hands back to your developers | ✓Yes, on Shopify, WordPress, Webflow or via tickets |
| Connected to ads and email | No | No | Rarely | ✓Same team runs paid, email and analytics |
| Best for | Teams with an in-house analyst | Redesigns and new builds | High-traffic sites testing at volume | ✓Growing brands needing research, fixes and tests |
/ Questions
Questions about CRO with us.
What does a conversion rate optimisation agency actually do?
How much traffic do we need for CRO services?
How soon will a conversion rate optimisation agency show results?
Do you do CRO for Shopify stores?
Is CRO worth it if we're running paid ads?
Which tools do you use?
Do you work on lead generation sites too?
What do you need from us before we begin?
/ Keep exploring
Keep exploring.
/ Next step
Find out where your visitors drop off.
Share your site URL below. The specialist who would run your CRO programme reviews your funnel, product pages and checkout, and sends a written audit within 48 hours. Or book a 30-minute call instead.
- The biggest leaks in your funnel, with evidence
- Which fixes to ship now and which to test
- Whether your traffic can support A/B testing yet
Rather email or call? contact@perfometrics.co · +49 151 10767411
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