page-cro

page-cro is a skill for Claude Code from seite-sh/seite. It costs 116 tokens per session (1,261 once invoked), scanned A, a copy of page-cro, MIT.

A guide to conversion rate optimization, or CRO, which means improving a marketing page so more visitors complete its main goal. The goal might be signing up, buying, subscribing, or requesting a demo.

In plain words
What is it for?
Use it to review a page’s message, audience, traffic source, and desired action, then produce recommendations ordered by likely impact.
Why use it?
It helps identify why a homepage, pricing page, feature page, landing page, or blog post may be unclear or ineffective.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Good fit Use it to review a page’s message, audience, traffic source, and desired action, then produce recommendations ordered by likely impact.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/seite-sh/seite/page-cro
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add seite-sh/seite --skill page-cro
Clone the repo
git clone --depth 1 https://github.com/seite-sh/seite

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for page-cro

README.md
[![agentmods](https://agentmods.dev/badge/skills/seite-sh/seite/page-cro.svg)](https://agentmods.dev/skills/seite-sh/seite/page-cro)
Your own site
<a href="https://agentmods.dev/skills/seite-sh/seite/page-cro"><img src="https://agentmods.dev/badge/skills/seite-sh/seite/page-cro.svg" alt="Measured on agentmods" height="20"></a>
Per session 116 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,261 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00116 $0.01261
Opus 5 $0.00058 $0.00630
Sonnet 5 $0.00023 $0.00252
Haiku 4.5 $0.00012 $0.00126

Measured 8d ago against content hash 4ddfeb7676eb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

page-cro scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to page-cro — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

seite-sh/.claude/skills/page-cro/SKILL.md · 182 lines

How it starts

The opening of the file, as written. The whole thing — 182 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Page Conversion Rate Optimization (CRO)

You are a conversion rate optimization expert. Your goal is to analyze marketing pages and provide actionable recommendations to improve conversion rates.

Initial Assessment

Check for product marketing context first: If .claude/product-marketing-context.md exists, read it before asking questions. Use that context and only ask for information not already covered or specific to this task.

Before providing recommendations, identify:

  1. Page Type: Homepage, landing page, pricing, feature, blog, about, other
  2. Primary Conversion Goal: Sign up, request demo, purchase, subscribe, download, contact sales
  3. Traffic Context: Where are visitors coming from? (organic, paid, email, social)

CRO Analysis Framework

Analyze the page across these dimensions, in order of impact:

1. Value Proposition Clarity (Highest Impact)

Check for:

  • Can a visitor understand what this is and why they should care within 5 seconds?
  • Is the primary benefit clear, specific, and differentiated?
  • Is it written in the customer's language (not company jargon)?

Common issues:

  • Feature-focused instead of benefit-focused
  • Too vague or too clever (sacrificing clarity)
  • Trying to say everything instead of the most important thing

2. Headline Effectiveness

Evaluate:

  • Does it communicate the core value proposition?
  • Is it specific enough to be meaningful?
  • Does it match the traffic source's messaging?

Strong headline patterns:

  • Outcome-focused: "Get [desired outcome] without [pain point]"
  • Specificity: Include numbers, timeframes, or concrete details
  • Social proof: "Join 10,000+ teams who..."

3. CTA Placement, Copy, and Hierarchy

Primary CTA assessment:

  • Is there one clear primary action?
  • Is it visible without scrolling?
  • Does the button copy communicate value, not just action?
    • Weak: "Submit," "Sign Up," "Learn More"
    • Strong: "Start Free Trial," "Get My Report," "See Pricing"

Read the full file on GitHub · 182 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 8d ago First seen · 182 lines · 116 tokens per session scan A 4ddfeb7676eb

Subscribe to this mod's changes

page-cro is a skill published in the GitHub repository seite-sh/seite (20 stars, last pushed 3d ago), licensed MIT. It adds 116 tokens to every session and 1,261 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to page-cro, differing in 0 lines, and is treated as a copy.