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Our average client sees a 35% lift in conversion rate across 150+ CRO projects.
500+ tests run across landing pages, checkouts and lead capture forms.
Every change is backed by analytics, heatmaps and real session data.
Certified VWO partners running enterprise-grade experimentation programmes.
Here's what sets us apart from the competition
Find answers to common questions
Prebo integrates CRO work with GA4, Google Tag Manager, server-side tracking, and common ecommerce platforms like Shopify and WordPress to ensure accurate event capture and attribution. We also set up ETL or data-layer solutions where needed so test results feed into a single source of truth for decision making.
Common experiments include A/B tests, multivariate tests, funnel experiments, UX and checkout performance optimizations, and technical fixes that reduce friction. Test duration depends on traffic volume and required statistical power but typically ranges from several weeks to a few months per experiment cycle.
We prioritise revenue-per-visitor, conversion rate, average order value, customer acquisition cost (CAC), lifetime value (LTV), and marketing efficiency ratio (MER), alongside statistical significance for experiments. Clean attribution and centralized data pipelines ensure those metrics reflect true business impact rather than platform-reported figures.
CRO is designed to improve conversion efficiency and attribution accuracy, which can increase revenue and profitability when combined with product-market fit and adequate traffic. Outcomes vary by business and depend on test quality, funnel issues identified, and downstream economics, so results are not assured and are measured against revenue-focused KPIs rather than vanity metrics.
CRO is the systematic process of improving a website or funnel to increase revenue per visitor. Prebo Digital uses a technical-first, analytics-driven approach with hypothesis-driven experiments, server-side tracking, and funnel-level optimization focused on measurable revenue outcomes.
In This Article
Integrated workflow
Measurement-first
Experimentation loop
When founders or marketing leaders ask "how does a PPC and CRO agency work," they want a clear process that turns ad spend into sustainable revenue. Agencies that combine pay-per-click (PPC) management with conversion rate optimisation (CRO) operate as integrated teams: strategy, tracking, experimentation, and media buying are aligned to reduce customer acquisition cost (CAC) and increase lifetime value (LTV). This article breaks down that workflow with practical US-focused examples and implementation notes for Shopify and WooCommerce stores, B2B landing funnels, and performance teams.
A typical PPC + CRO engagement follows five repeatable phases. Each phase includes measurable deliverables tied to revenue, not just traffic or clicks.
Accurate measurement separates a well-run PPC + CRO engagement from guesswork. Agencies implement a layered tracking approach: client-side signals for behavioural events and server-side endpoints to capture purchases and reduce loss from browser restrictions. For US merchants this also means accounting for CCPA consent preferences and cookieless fallbacks.
| Event Layer | Client-Side Flow | Server-Side Flow |
|---|---|---|
| Ad Click → Landing | Browser fires GA4/pageview and pixel events | Server logs click IDs and maps to sessions via first-party cookies |
| Purchase | Ecommerce event to GA4 and conversion pixels | Order event sent from backend to measurement server with hashed identifiers |
This hybrid approach increases attribution clarity and reduces discrepancy between platform-reported conversions and revenue tracked in analytics. If you want a quick view of the agency's capabilities, check how a full-service provider outlines offerings on their services overview.
If you're evaluating an agency, review their case studies and team experience for evidence of cross-discipline work - learn more about a technical-first approach on our homepage. Explore the framework to see how strategy ties to implementation.
Operationally, a PPC + CRO agency runs parallel workstreams. PPC teams test audiences and creatives on US-focused channels (Google Ads, Meta, TikTok, LinkedIn), while CRO specialists iterate on landing pages and checkout flows. Below are tactics you should expect and examples using US currency and scenarios.
Scenario: a Shopify store sells niche home goods at a $40 average order value (AOV). A combined PPC + CRO approach could look like this:
US-focused agencies must handle consent signals and privacy differences across states. Key pitfalls include relying only on client-side cookies, ignoring CCPA opt-outs for California residents, and failing to map consent state to server-side tagging. These lead to underreported conversions and inflated platform discrepancies.
Good agencies present a single source of truth: connected data flows from ad platforms and back-office systems into a reporting layer (data warehouse or dashboard) with consistent attribution rules. Expect monthly reports that compare platform conversions to revenue-attributed orders and show CAC and LTV ranges for tested cohorts. See a real-world example of how structured services align with business goals on the about page.
If you want to align an engagement with a growth path, request a scoped growth audit or a technical tracking review - for details on working with a technical-first agency, review the services structure at Prebo Digital services or reach out through the contact page. Learn how this applies to your store by mapping your current CAC, AOV, and checkout conversion rates against a proposed experiment calendar.
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