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Get Started Free →Analyze and optimize individual pages for conversion performance.
.claude/skills/sickn33-page-cro/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 26% | 0% |
| case-02 | ✗→✓ | ▲ Improved | 31% | 0% |
| case-03 | ✗→✓ | ▲ Improved | 16% | 0% |
| case-08 | ✗→✓ | ▲ Improved | 99% | 0% |
| case-10 | ✗→✓ | ▲ Improved | 57% | 0% |
You are an expert in page-level conversion optimization. Your goal is to diagnose why a page is or is not converting, assess readiness for optimization, and provide prioritized, evidence-based recommendations. You do not guarantee conversion lifts. You do not recommend changes without explaining why they matter.
Before giving CRO advice, calculate the Page Conversion Readiness & Impact Index.
This index answers:
> Is this page structurally capable of converting, and where are the biggest constraints?
It prevents:
This is a diagnostic score, not a success metric.
| Category | Weight | | --------------------------- | ------- | | Value Proposition Clarity | 25 | | Conversion Goal Focus | 20 | | Traffic–Message Match | 15 | | Trust & Credibility Signals | 15 | | Friction & UX Barriers | 15 | | Objection Handling | 10 | | Total | 100 |
| Score | Verdict | Interpretation | | ------ | ------------------------ | ---------------------------------------------- | | 85–100 | High Readiness | Page is structurally sound; test optimizations | | 70–84 | Moderate Readiness | Fix key issues before testing | | 55–69 | Low Readiness | Foundational problems limit conversions | | <55 | Not Conversion-Ready | CRO will not work yet |
If score < 70, testing is not recommended.
(Proceed only after scoring)
Analyze in impact order, not arbitrarily.
Questions to answer:
Failure modes:
Primary CTA
Hierarchy
Check for:
Evaluate:
Common objections by page type:
Resolution mechanisms:
Look for:
All recommendations must map to:
Changes that:
Structural or messaging changes that:
Each test must include:
Provide 2–3 alternatives for:
Each with rationale tied to user intent.
(Condensed but preserved; unchanged logic, cleaner framing)
Do not recommend A/B testing when:
Fix fundamentals first.
## When to Use
This skill is applicable to execute the workflow or actions described in the overview.
## Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-01 | fail→pass | 26,163 | 22,411 | -14% | 1 | 1 | 0% | 4,483 | 5,640 | +26% | 0 | 0 | — |
case-02 | fail→pass | 22,374 | 19,951 | -11% | 1 | 1 | 0% | 3,890 | 5,093 | +31% | 0 | 0 | — |
case-03 | fail→pass | 25,468 | 19,729 | -23% | 1 | 1 | 0% | 4,435 | 5,148 | +16% | 0 | 0 | — |
case-04 | fail→fail | 22,656 | 23,161 | +2% | 1 | 1 | 0% | 4,295 | 5,965 | +39% | 0 | 0 | — |
case-05 | fail→fail | 14,047 | 18,629 | +33% | 1 | 1 | 0% | 3,016 | 5,437 | +80% | 0 | 0 | — |
case-06 | fail→fail | 36,070 | 34,086 | -6% | 1 | 1 | 0% | 6,048 | 7,171 | +19% | 0 | 0 | — |
case-07 | fail→fail | 14,762 | 18,433 | +25% | 1 | 1 | 0% | 2,562 | 4,968 | +94% | 0 | 0 | — |
case-08 | fail→pass | 11,323 | 11,905 | +5% | 1 | 1 | 0% | 1,775 | 3,529 | +99% | 0 | 0 | — |
case-09 | pass→pass | 14,035 | 17,101 | +22% | 1 | 1 | 0% | 2,234 | 4,580 | +105% | 0 | 0 | — |
case-10 | fail→pass | 12,193 | 8,382 | -31% | 1 | 1 | 0% | 2,018 | 3,164 | +57% | 0 | 0 | — |
case-11 | fail→pass | 10,298 | 10,169 | -1% | 1 | 1 | 0% | 1,706 | 3,215 | +88% | 0 | 0 | — |
case-12 | pass→pass | 14,183 | 18,638 | +31% | 1 | 1 | 0% | 2,399 | 4,939 | +106% | 0 | 0 | — |
case-13 | fail→fail | 15,488 | 10,945 | -29% | 1 | 1 | 0% | 2,460 | 3,756 | +53% | 0 | 0 | — |
case-14 | fail→pass | 12,973 | 6,866 | -47% | 1 | 1 | 0% | 2,162 | 2,777 | +28% | 0 | 0 | — |
case-15 | pass→pass | 13,634 | 12,550 | -8% | 1 | 1 | 0% | 2,214 | 3,866 | +75% | 0 | 0 | — |
case-16 | pass→pass | 15,792 | 10,718 | -32% | 1 | 1 | 0% | 2,427 | 3,294 | +36% | 0 | 0 | — |
case-17 | fail→pass | 15,277 | 13,966 | -9% | 1 | 1 | 0% | 2,363 | 3,992 | +69% | 0 | 0 | — |
case-18 | pass→pass | 16,375 | 13,895 | -15% | 1 | 1 | 0% | 2,576 | 4,183 | +62% | 0 | 0 | — |
case-19 | pass→fail | 16,719 | 14,611 | -13% | 1 | 1 | 0% | 2,823 | 4,077 | +44% | 0 | 0 | — |
case-20 | pass→pass | 13,005 | 18,887 | +45% | 1 | 1 | 0% | 2,228 | 4,956 | +122% | 0 | 0 | — |
case-21 | fail→pass | 11,381 | 9,719 | -15% | 1 | 1 | 0% | 1,803 | 3,189 | +77% | 0 | 0 | — |
case-22 | fail→pass | 9,723 | 3,602 | -63% | 1 | 1 | 0% | 1,684 | 2,325 | +38% | 0 | 0 | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 22 cases were attempted. The headline lift of +41 percentage points is the difference between those two pass rates over the 22 comparable cases. 1 case got worse with the skill loaded, and it is included in that figure.
Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.
Other measured skills in the registry, with their headline benchmark lift.