The Bootstrapper's Playbook for Vetting Influencers and Proving ROI
Are you pouring your marketing budget into micro-influencers, only to see disappointing results? It's a common trap. Vetting influencers for fake followers, bot engagement, and genuine audience fit is nearly impossible without the right tools, leading to wasted spend and skewed sales data that you can't trust.
Stop guessing and start measuring. This playbook shows you how to use a powerful, low-cost stack to solve the influencer vetting puzzle. By leveraging Google Analytics as your single source of truth, you'll learn to create unique, trackable campaigns for each influencer. This allows you to measure their *actual* performance—not just likes and comments, but real traffic, engagement, and most importantly, sales on your WooCommerce store. You'll know exactly which influencers are driving real value and which aren't, all without expensive subscription software.
Expected Outcomes
- Clearly identify your top-performing influencers based on actual sales data, not just vanity metrics.
- Confidently allocate your marketing budget to partnerships that deliver a positive ROI.
- Eliminate wasted spending on influencers with fake followers or misaligned audiences.
- Gain a reliable, data-driven system for testing and scaling your influencer marketing program.
- Build a single source of truth for all your marketing campaign performance.
Core Tools in This Stack

WooCommerce
Visit websiteA flexible, open-source e-commerce platform built on WordPress. It allows users to create a highly customized online store to sell anything, anywhere.
Key Features
- Open-source and fully customizable
- Seamlessly integrates with WordPress
- Extensive marketplace for themes and extensions
- Sell physical, digital, and subscription-based products
- Built-in payment processing (WooPayments) and support for major gateways
- Configurable shipping options and tax calculations
- Built-in blogging and content marketing capabilities
- REST API for developers
Ideal For
Company Size: Micro, Small, Medium, Large
Industries: Technology & Software, Business & Professional Services, Retail & E-commerce, Creative & Media, Education & Non-Profit, Health & Wellness, Other
Pricing
Model: Free, Paid
Tier: Low
Ease of Use
Medium

Mailchimp
Visit websiteMailchimp is an all-in-one marketing platform that helps small businesses and larger enterprises market smarter, not harder. It provides AI-powered tools to create and send engaging email campaigns, automate marketing tasks, manage audiences, and analyze campaign performance.
Key Features
- Email Campaign Builder
- Marketing Automation
- Audience Management & Segmentation (CRM)
- AI-powered Content Optimizer
- Landing Page and Website Builder
- A/B Testing
- Advanced Reporting & Analytics
- Extensive Integrations with other apps
Ideal For
Company Size: Micro, Small, Medium, Large
Industries: Technology & Software, Business & Professional Services, Retail & E-commerce, Creative & Media, Education & Non-Profit, Health & Wellness, Other
Pricing
Model: Free, Freemium, Subscription
Tier: Mid-tier
Ease of Use
User-Friendly

Google Analytics
Visit websiteGoogle Analytics is a web analytics service that tracks and reports website traffic, user behavior, and conversions. It provides valuable insights to help businesses understand their audience, optimize their online marketing efforts, and improve user experience.
Key Features
- Audience Reporting (demographics, interests, geography)
- Traffic Acquisition Analysis (channels, sources, referrals)
- User Behavior Flow and Analysis
- Real-time activity monitoring
- Goal and E-commerce Conversion Tracking
- Integration with Google Ads, Search Console, and other Google Marketing Platform products
- Customizable dashboards and reports
- Event Tracking for user interactions
Ideal For
Company Size: Micro, Small, Medium, Large
Industries: Technology & Software, Business & Professional Services, Retail & E-commerce, Creative & Media, Education & Non-Profit, Health & Wellness, Other
Pricing
Model: Free, Freemium, Enterprise
Tier: Free
Ease of Use
Medium
The Workflow
Integration Logic
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GA4 Conversion Connector
This integration creates a server-to-server connection that listens for new completed orders in WooCommerce. When a purchase occurs, the connector captures all relevant e-commerce data (transaction ID, value, currency, items). It then checks the user's session data for UTM parameters originating from Mailchimp campaigns. The connector bundles this information and sends a fully attributed 'purchase' event to the Google Analytics 4 Measurement Protocol API. This ensures that every sale driven by an email campaign is accurately recorded and attributed within GA4, bypassing potential client-side tracking issues like ad blockers.
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