# Website ICP-Fit — Persuasion Psychology Reference

*Part of the Website ICP-Fit skill: https://wavect.io/.well-known/agent-skills/website-icp-fit/SKILL.md*

Cialdini's principles of influence and the Fogg behavior model, applied to a website audit.

## Psychological Conversion Triggers — Cialdini Applied

Robert Cialdini's 7 principles of influence applied to website audit.
Flag which are present, which are absent, and whether they match the ICP's
specific anxieties.

### 1. Social Proof

The most powerful conversion trigger in B2B. But generic social proof ("500+
companies trust us") has minimal effect on an ICP-specific page. The proof
must match the visitor.

**Social proof hierarchy (most to least effective for B2B):**
1. Named case study with specific metric from a company the ICP recognizes
2. Logo of a company the ICP knows and respects
3. Quote with full name, photo, job title, company
4. G2/Capterra rating with review count
5. Anonymous testimonial ("A Series A SaaS founder said...")
6. Follower/user count ("10,000+ users")

**The social proof ICP mismatch:**
If the ICP is a Head of Finance at a 30-person company and the only testimonials
are from enterprise brands (Salesforce, Google, IBM), the proof is working
against conversion — not for it. The visitor thinks "this isn't for companies
my size." Curate proof to match the ICP's company profile.

**The specificity test:**
"This product saved us so much time" → worthless (could be fabricated, vague)
"We reduced month-end close from 11 days to 4 days in 6 weeks" → powerful
(specific metric, specific timeframe, implicitly verifiable)

### 2. Authority

Authority signals that you are a credible guide, not a random vendor.

**Authority signals by ICP type:**
- Developer ICP: GitHub stars, open-source contributions, technical blog posts,
  conference talks at relevant events
- CFO/Finance ICP: Big 4 partnerships, SOC 2 Type II, audit firm credentials,
  regulatory logos
- Startup founder ICP: Backed by [recognized VC], featured in [publication
  the ICP reads], founded by [relevant background]
- Enterprise ICP: Enterprise client logos, analyst recognition (Gartner, Forrester),
  security certifications

**Missing authority signals for the ICP are a conversion killer.** If the ICP
has a specific trust requirement (e.g., finance teams need SOC 2; healthcare
needs HIPAA) and that signal is not visible above the fold or on the pricing
page, a significant portion of qualified visitors will self-disqualify.

### 3. Reciprocity

Giving something of value before asking for anything creates a psychological
debt that increases conversion.

**Reciprocity audit:**
- Is there a free tool, calculator, template, or benchmark the ICP would find
  genuinely useful without requiring a sales conversation?
- If lead magnets exist, are they specific to the ICP's situation or generic
  "best practices" content that could apply to anyone?

Generic lead magnets ("10 tips for productivity") have low reciprocity value.
ICP-specific tools ("Calculate your current month-end close cost") have
high reciprocity value because they solve a real problem and implicitly
demonstrate the product's domain expertise.

### 4. Scarcity and Urgency

Used correctly for high-intent visitors (Product-aware, Most-aware). Used
incorrectly, it reads as manipulation and damages trust with sophisticated buyers.

**Legitimate scarcity signals:**
- "We only work with 12 clients per quarter"
- "Beta pricing closes April 30"
- "Implementation slots available for Q2 are filling"

**Illegitimate scarcity signals (damage trust with B2B buyers):**
- Countdown timers with no stated deadline reason
- "Limited time offer" with no expiry date shown
- "Only 3 spots left" that resets daily

For B2B ICPs, urgency is best created through the cost of inaction, not
artificial scarcity: "Every month without [product] costs you [specific metric]."

### 5. Liking and Similarity

People buy from people and brands they perceive as similar to themselves.

**Similarity signals:**
- "Built by [relevant background] for [ICP job title]"
- "We were [ICP job title] before we built this"
- Testimonial photos that look like the ICP (same industry level, similar
  demographic signal as the target buyer)
- Language that uses the ICP's exact vocabulary (terms they use internally,
  not marketing terms)

**The vocabulary audit:**
Compare the language on the homepage with the language in customer testimonials,
sales call recordings, or support tickets. Where they diverge, trust is reduced.
The words the ICP uses to describe their problem are the words that should
appear in the hero section — not the words your marketing team invented.

### 6. Commitment and Consistency

Small yes → bigger yes. Reduce the first commitment required.

**Friction ladder audit:**
What does the first CTA ask the visitor to commit to?

| CTA ask | Commitment level | Appropriate awareness stage |
|---|---|---|
| "Download the benchmark report" | Very low | Unaware / Problem-aware |
| "Start free trial" | Low | Solution-aware |
| "Book a 30-min demo" | Medium | Product-aware |
| "Talk to sales" | High | Most-aware |
| "Buy now / Start at €X/mo" | High | Most-aware |

A Product-aware visitor landing on a page whose only CTA is "Download our
whitepaper" will leave without converting — the commitment step is too far
below their readiness. A Problem-aware visitor whose only CTA is "Talk to
sales" will leave — the commitment is too far above their readiness.

### 7. Unity (the 8th principle, added in Cialdini's 2016 update)

We are persuaded by those we perceive as part of our in-group. For B2B,
the in-group is often: same industry, same company size, same role, same pain.

**Unity signals:**
- "Join 300+ CTOs of Series A–B SaaS companies"
- "Built for founders who are done with spreadsheets"
- Community references (Slack groups, forums, events the ICP attends)

---

## The Fogg Behavior Model — Motivation × Ability × Trigger

BJ Fogg's model: a behavior happens when Motivation, Ability, and a Prompt
converge at the same moment.

**B = MAP**
- **M** (Motivation) — how much does the visitor want the outcome?
- **A** (Ability) — how easy is it to take the action right now?
- **P** (Prompt) — is there a visible, timely CTA asking for the action?

Most website conversion failures are Ability failures, not Motivation failures.
The visitor wants the outcome but the action required to get it is too complex,
too uncertain, or too risky.

**Ability reducers to audit:**
- How many fields in the sign-up form? Every field reduces Ability.
  (Benchmark: forms with 3 fields convert 2× better than forms with 7 fields)
- Is there a "free trial / no credit card" signal? Removes financial risk.
- Is the onboarding time stated? "Up and running in 5 minutes" reduces
  effort perception.
- Is pricing transparent? Hidden pricing forces a sales call, reducing Ability
  for self-serve ICPs dramatically.
- Is there a live chat or instant demo option for high-intent visitors who
  need a question answered before they can act?

**Prompt timing:**
The Prompt (CTA) must appear when Motivation is highest — which is typically
immediately after a piece of social proof or a description of the outcome the
visitor wants. Placing a CTA at the bottom of a long features section, after
Motivation has been diluted by technical information, reduces conversion.