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Marketing Academy · Field Work●Copywriting
All projects·From: CTA Copy That Converts
MiniTeardown· 20 minutes

The Button Autopsy: Five CTAs, Five VSF Violations

ThredUp

Objective: Diagnose five real-world-style CTA specimens against the VSF framework and CTA placement rules, and tell defects apart from cosmetic non-issues.

You're reviewing ThredUp's homepage, product page, and flash-sale copy before a Q3 conversion push. Five CTA fragments landed in your queue for sign-off.

Score each specimen against VSF and placement, flag the real defect, and don't get baited by the distractors.

Before you start

What you'll need

Free path (everything below is enough to finish)

Google Docs
FreeAnnotate each specimen with its defect and severity

Free, shareable, no account friction

Google Sheets(optional)
FreeLog all 5 defects with severity for sign-off

Easy to sort by severity before a review meeting

The process

Specimens to review

This CTA sits below a form promising early access to flash sales. What's wrong with the button copy per the VSF framework?

Sample output
Newsletter signup form on ThredUp's homepage. Fields: Email. Button copy: 'Submit'

Specimen: synthetic, realistic

This CTA sits on a product page with no other button. What's wrong with it per the VSF framework?

Sample output
Product page CTA on a limited-run sneaker drop. Button copy: 'Order Now'

Specimen: synthetic, realistic

This is the single CTA in the hero section. What's wrong with it per the VSF framework?

Sample output
SaaS landing page hero CTA: 'Start Your Free Trial'

Specimen: synthetic, realistic

A user reloaded the page twice and noticed the timer reset both times. What's the real defect here?

Sample output
Flash-sale banner: 'Only 3 Spots Left!!!' with a countdown timer that resets to 24:00:00 every time the page is reloaded.

Specimen: synthetic, realistic

A visitor who's already convinced by paragraph 6 has to keep scrolling for 34 more paragraphs to find a button. What's the defect?

Sample output
A 1,800-word product comparison page with the only CTA button placed in the footer, after 40 paragraphs of copy, with no repeat higher up.

Specimen: synthetic, realistic

Final deliverable

A defect log across all 5 CTA specimens, each mapped to the VSF or placement principle it violates, sorted by severity.

See a reference example
Sample output
Rent the Runway CTA teardown log (excerpt)

Specimen: 'Reserve Now' on subscription plan page
Defect: Generic, no specificity | Severity: moderate
Fix: 'Reserve My Free Trial Box'

Specimen: 'Submit' on waitlist form
Defect: System action, no value | Severity: critical
Fix: 'Get My Early Access'

Success criteria

You're done when you can:

  • Correctly flags all 5 defects with the right VSF or placement principle
  • Does not select any of the distractors as defects
  • Assigns a severity level consistent with the documented conversion impact