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Marketing Science 5 min read 2026

CRO Heuristics: diagnosing and removing friction across forms and checkout

A heuristic evaluation framework based on clarity, relevance, friction and anxiety: how to lift conversions before running complex A/B tests.

LA

Lucas Antignani Rizzieri

SEO & Growth Specialist · FIAP Data Science (GPA 8.88)

Before writing code for complex experiments, heuristic audits detect conversion leaks in hours.

The 4 Core Evaluation Vectors

1. Relevance

Does the landing page immediately answer the intent promised in search snippets or ads?

2. Clarity

Is the value proposition and primary call to action comprehensible within 5 seconds?

3. Friction

Redundant form fields, slow load times, and ambiguous UI buttons.

4. Anxiety

Missing social proof, unclear guarantees, or absent trust credentials.

Form Friction Elimination

Reducing form input fields from 8 to 4 essential data points and enabling auto-complete often lifts submission rates by over 35% without hurting lead qualification quality.

LA

Lucas Antignani Rizzieri

SEO & Growth Specialist

Graduated from FIAP in Digital Marketing & Data Science (GPA 8.88/10). Specialist in Programmatic SEO, Statistical CRO, CRM ecosystems and Organic Demand Engineering.

Specialized Growth Consulting

Want to deploy these frameworks in your operations?

We deliver deep technical SEO, CRO, data architecture and conversion pipeline engineering to scale predictable revenue.

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