10
High
Forms & Signup
Single-field email capture
The homepage email signup form asks only for an email address, which is the minimum viable field set for a cold capture, but it lacks a trust layer (e.g., privacy note, incentive) that could reduce friction and increase conversions.
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⚠ Single-field email captureThe homepage email signup form asks only for an email address, which is the minimum viable field set for a cold capture, but it lacks a trust layer …
Fix
Evidence
Observed on the live site
✓ Flagged independently by 1 of 7 analysts
- The homepage has a form with 1 input, no labels, and submit button 'Sign Up' (from inventory: forms: [{n_inputs: 1, labels: [], submit: 'Sign Up'}]).
Business case
If this change wins
$35,381 – $176,904
annual opportunity if it wins
Low
Effort — 0.5-2 days
not testable at current traffic
A/B test duration
Prioritisation
PXL score: 3 / 10
| Question | Answer | Points |
|---|---|---|
| Is the change above the fold? | No | 0 |
| Is the change noticeable in under 5 seconds? | Yes | 2 |
| Does it add or remove an element? | Yes | 1 |
| Does it run on a high-traffic page? | No | 0 |
| Discovered via user testing? | No | 0 |
| Discovered via qualitative feedback (survey, support)? | No | 0 |
| Supported by heatmaps or session recordings? | No | 0 |
| Found via digital analytics or real-user field data? | No | 0 |
| Verified by direct technical measurement? | No | 0 |
Implementation
Hand this to your developer
- Surface
- Forms & Signup — HOMEPAGE EMAIL SIGNUP
- Problem
- The homepage email signup form asks only for an email address, which is the minimum viable field set for a cold capture, but it lacks a trust layer (e.g., privacy note, incentive) that could reduce friction and increase conversions.
- Current state
- h1: Wildly Comfortable. Super Natural.; cta: Sign Up; notes: Single email field, no visible incentive or privacy reassurance near the form.
- Change
- h1: Wildly Comfortable. Super Natural.; cta: Sign Up for 10% Off; notes: Add a clear incentive (e.g., 'Get 10% off your first order') and a microcopy trust line (e.g., 'No spam, unsubscribe anytime') to increase signup conversion.
- Acceptance criteria
- GIVEN a first-time visitor on the affected page
WHEN the change is live
THEN Add a clear incentive (e.g., 'Get 10% off your first order') and a microcopy trust line (e.g., 'No spam, unsubscribe anytime') to increase signup conversion, with no regression at 375px and 1280px widths. - Tracking
- event: cro_single_field_email_capture on interaction with the changed element; verify it fires in BOTH variants before opening traffic.
- Success metric
- conversion rate on the affected step
- QA checklist
- Chrome / Safari / Firefox · 375px + 1280px · keyboard reachable · screen-reader name present · no CLS introduced
- Effort
- Low — 0.5-2 days
- Test plan
- 299,882 visitors per variant (95% significance, 80% power); not testable at current traffic.
- Rollback
- Feature-flag the change; revert the flag if the primary metric drops for 3 consecutive days.