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Discover what makes us different
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.
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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
Provide clear baselines
Request phased deliverables
Prioritise measurement
Knowing how to get a quote for website optimization helps founders, marketing directors, and store owners compare proposals on apples-to-apples terms. Website optimization can mean conversion rate optimisation (CRO), page speed work, UX redesign, or a combination that affects revenue (not just traffic). Accurate quotes require clear scope, measurable goals, and relevant data from your current stack.
Vendors price differently depending on the problem set: a CRO retainer that includes A/B testing, analytics cleanup, and server-side tracking will cost more than a single-page speed engagement. Before you request a quote, assemble performance baselines (conversion rate, average order value, monthly revenue), technical access, and a prioritized list of hypotheses. These details reduce ambiguity and produce reliable estimates.
If you need an example template for data exports and access instructions, see the Services Overview for what agencies commonly request https://prebodigital.com/services/.
When vendors price optimization, they will usually evaluate the full funnel. Map your funnel first so quotes reflect the right work scope:
| Event | Client Platform | Attribution/Reporting |
|---|---|---|
| Add to Cart / Purchase | Shopify / WooCommerce | GA4 + Server-side GTM + ad platform pixels |
| Lead / Signup | HubSpot / Klaviyo | CRM event sync and funnel attribution |
Including a simple tracking diagram like this with your quote request prevents back-and-forth and helps vendors estimate tracking, QA, and attribution work. If you want a quick reference for how agencies typically present their approach, our homepage outlines Prebo Digital's structured framework https://prebodigital.com/.
Document any compliance or cookie consent solutions you already use so vendors can include necessary work in the quote. For more on our approach to attribution and clean data, see our Services Overview https://prebodigital.com/services/.
Follow this checklist when asking agencies for a quote. Each step reduces ambiguity and helps you compare proposals by outcomes, not buzzwords.
Include current monthly revenue (USD), primary platforms (example: Shopify + Klaviyo), top three business goals (reduce CAC, increase AOV, lift conversion rate), and any hard constraints (launch dates, integration limits). Example: "$120k/mo revenue, target 15% lift in checkout conversion over 6 months." Estimates like these help vendors size the team and timeline.
Provide these files in a shared folder and note any privacy or IP requirements. Agencies will use this to scope analytics cleanup and testing load.
A clear quote separates phases with deliverables and time estimates. Example line items: discovery audit (10-20 hours), tracking remediation ($1,500-$5,000 estimate), CRO experimentation cadence (monthly retainer), and reporting setup. These are example ranges and will vary by scope and vendor.
Compare proposals on:
Request case examples that match your platform and business model (Shopify eCommerce, B2B lead flow, or SaaS signup). Practical references that show how the vendor measured revenue impact and reconciled attribution are more valuable than generic testimonials. Learn more about Prebo Digital's experience and team structure https://prebodigital.com/about-us/.
These ranges are illustrative for US-based stores and teams and will vary by complexity: a focused page speed and tracking cleanup might start at $2,000-$8,000; a full CRO retainer with testing and analytics work commonly ranges from $4,000-$15,000+/month. One-time rebuilds or UX redesigns can be larger. Use these only as starting points and confirm exact pricing with vendors.
Make sure each quote states how performance will be reported (monthly MER, CAC, LTV changes) and what attribution model will be used. Vendors that include server-side tracking and reconciliation plans reduce reporting drift between ad platforms and analytics.
If you want to request a quote that aligns with a technical-first approach, include notes about GA4, Google Tag Manager server-side, and expected test cadence. For reference on how agencies typically structure growth retainers and reporting, see our Services Overview https://prebodigital.com/services/ and if you need to share a contact for follow-up, the contact page lists next-step details https://prebodigital.com/contact-us/.
| Area | What to look for |
|---|---|
| Scope clarity | Line-item deliverables, timelines, and acceptance criteria |
| Measurement | Server-side tracking, reconciliation, and reporting cadence |
| Pricing model | Fixed discovery, scoped retainer, or performance-tied (be explicit about metrics) |
Following this structured approach gives US-based teams the context to evaluate quotes on expected revenue impact and tracking fidelity rather than hourly rates alone. For an example of this framework applied to eCommerce growth systems, review our homepage for how strategy, analytics, and engineering combine into a repeatable process https://prebodigital.com/.
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