EshopPick
Research-backed marketing guides

Useful answers before the next decision.

Each guide answers a practical marketing question, explains the assumptions and cites primary or high-authority sources. We cover the formula, the edge cases and what to do next.

Shopify growth cluster

Shopify SEO, CRO and store operations

A connected set of guides for the questions already appearing in Search Console: traffic without sales, product-page friction, SEO foundations, shipping and app costs.

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UTM Parameters in GA4: A Practical Campaign Tracking Guide
Analytics
UTM Parameters in GA4: A Practical Campaign Tracking Guide

Learn what UTM parameters do, how to name them consistently and how to QA campaign links before they pollute your GA4 reports.

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What Is ROAS? How to Calculate It Without Confusing Revenue With Profit
Paid media
What Is ROAS? How to Calculate It Without Confusing Revenue With Profit

A practical ROAS guide covering the formula, reported vs contribution-adjusted ROAS, ACOS, MER and why a high-looking return can still lose money.

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How to Calculate Break-Even ROAS for Ecommerce (Formula + Calculator)
Paid media
How to Calculate Break-Even ROAS for Ecommerce (Formula + Calculator)

Learn how to calculate break-even ROAS, maximum CPA, target ROAS and commercial ad budget from contribution margin, product costs and fees, then test the result in a free calculator.

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Social Media Image Sizes 2026: Instagram, TikTok, YouTube, LinkedIn and More
Platform reference
Social Media Image Sizes 2026: Instagram, TikTok, YouTube, LinkedIn and More

A current social media image-size reference with feed, story, video, cover and thumbnail dimensions plus safe-zone guidance.

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What Is Conversion Rate? Website Sales Formula, Examples and Fixes
Measurement
What Is Conversion Rate? Website Sales Formula, Examples and Fixes

Define website and purchase conversion rate, choose the right denominator and diagnose whether the problem is traffic, offer, page or checkout.

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TikTok Shop Market Research Surveys: A Product Validation Guide
TikTok Shop Research
TikTok Shop Market Research Surveys: A Product Validation Guide

Use TikTok Shop market research surveys to test buyer language, objections and product fit before launch—then combine the answers with search demand, competition and contribution math.

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CAC vs LTV: How to Know If Customer Acquisition Is Profitable
Ecommerce economics
CAC vs LTV: How to Know If Customer Acquisition Is Profitable

Compare CAC with cohort-based revenue and contribution LTV, model payback and cash recovery, then test how AOV, repeat rate and margin change the decision.

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Average Order Value (AOV): Formula, Examples and Ways to Increase It
Ecommerce economics
Average Order Value (AOV): Formula, Examples and Ways to Increase It

Learn the AOV formula, see a worked ecommerce example and connect basket size to conversion rate, revenue per visitor and profit.

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CTR vs CPC vs CPM: Which Ad Metric Should You Optimize?
Paid media
CTR vs CPC vs CPM: Which Ad Metric Should You Optimize?

Understand the difference between CTR, CPC and CPM, how they connect in the ad funnel and which metric to inspect when performance drops.

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Shopify Conversion Rate: How to Calculate It and Diagnose a Low Rate
Shopify
Shopify Conversion Rate: How to Calculate It and Diagnose a Low Rate

Learn the Shopify conversion-rate formula, choose the right denominator and troubleshoot traffic, product-page, checkout and offer problems.

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What Is MER? Marketing Efficiency Ratio Formula, ROAS vs MER & Break-Even
Paid media
What Is MER? Marketing Efficiency Ratio Formula, ROAS vs MER & Break-Even

What is MER in ecommerce? Learn the marketing efficiency ratio formula, what to include in spend, MER vs ROAS, contribution profit, break-even MER and a worked example.

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Ecommerce Profit Margin Formula: Gross, Contribution and Net Margin
Ecommerce economics
Ecommerce Profit Margin Formula: Gross, Contribution and Net Margin

Learn the ecommerce profit margin formulas, see a complete order-level example and separate gross margin from contribution and net profit.

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Shopify Store Audit Checklist (2026): 42 Checks That Matter
Shopify CRO
Shopify Store Audit Checklist (2026): 42 Checks That Matter

Run a Shopify store audit in the right order: verify tracking, traffic quality, product pages, mobile performance, cart and checkout with a scored checklist.

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Shopify Store Not Converting? Getting Traffic but No Sales: A Funnel Audit
Shopify CRO
Shopify Store Not Converting? Getting Traffic but No Sales: A Funnel Audit

Shopify store not converting? Use Shopify Analytics and a 48-hour funnel audit to find tracking, traffic-quality, product-page, cart or checkout leaks before spending more on ads.

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Shopify Searches With No Results: How to Fix Store Search (2026)
Shopify Search
Shopify Searches With No Results: How to Fix Store Search (2026)

Shopify searches with no results? Use Behavior and Search & Discovery reports to find missing products, synonym gaps and relevance problems, then validate clicks and purchases.

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Shopify DIY vs Hiring a Developer: Cost, Time and the Right Choice
Shopify
Shopify DIY vs Hiring a Developer: Cost, Time and the Right Choice

Should you build your Shopify store yourself or hire a developer? Compare cash cost, founder time, technical risk and project scope with a practical decision framework.

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How Long Does It Take to Build a Shopify Store? A Realistic Timeline
Shopify
How Long Does It Take to Build a Shopify Store? A Realistic Timeline

Plan a Shopify launch with a critical-path timeline for products, content, theme, payments, shipping, analytics and QA. See what creates delay and what can run in parallel.

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Shopify Payments vs Third-Party Payment Providers: Which Costs Less?
Shopify Economics
Shopify Payments vs Third-Party Payment Providers: Which Costs Less?

Compare Shopify Payments with third-party payment providers using total effective cost, eligibility, payment methods, payouts, refunds and operational risk.

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Shopify Product Page Not Converting? A Page-Level Audit Before You Redesign
Shopify CRO
Shopify Product Page Not Converting? A Page-Level Audit Before You Redesign

A practical Shopify product-page audit that separates traffic quality, tracking, product-page friction and checkout problems before you spend on a redesign.

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Shopify Conversion Rate Low After Ads? Separate Traffic From Store Friction
Shopify CRO
Shopify Conversion Rate Low After Ads? Separate Traffic From Store Friction

A diagnostic framework for a Shopify store that gets paid traffic but converts poorly: reconcile tracking, isolate the funnel leak and connect conversion rate to contribution profit.

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Shopify SEO Checklist: Products, Collections and Technical Setup
Shopify SEO
Shopify SEO Checklist: Products, Collections and Technical Setup

A search-led Shopify SEO checklist covering indexability, query-to-page mapping, product and collection content, internal links, technical UX and measurement.

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Shopify Shipping Strategy: Flat Rate, Free Shipping or Carrier Rates?
Shopify Operations
Shopify Shipping Strategy: Flat Rate, Free Shipping or Carrier Rates?

Choose a Shopify shipping strategy using order value, product weight, destination, delivery promise and contribution margin instead of copying a competitor's headline offer.

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Shopify App Costs: Hidden Fees, Usage Charges and a Lean App Stack
Shopify Economics
Shopify App Costs: Hidden Fees, Usage Charges and a Lean App Stack

Model Shopify app costs beyond the monthly sticker price, including recurring plans, usage charges, one-time fees, transaction costs, theme effects and the value of the work an app replaces.

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