landing-page-optimizer

landing-page-optimizer is an agent for Claude Code from seite-sh/seite. It costs 0 tokens per session (1,834 once invoked), scanned A, a copy of landing-page-optimizer, MIT.

An agent that reviews landing pages for conversion rate optimization, meaning changes intended to increase the number of visitors who take a desired action. It checks the headline, offer, call to action, trust signals, and page structure.

In plain words
What is it for?
Use it after creating or auditing a landing page, or when you want an optimization review of an existing page.
Why use it?
It helps find reasons visitors may not understand the offer or may leave before taking action. The review turns those findings into practical recommendations.

Agent for Claude Code

Written for Claude Code: installed under .claude/.

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.

agentmods
npx agentmods add agents/seite-sh/seite/landing-page-optimizer
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 landing-page-optimizer

README.md
[![agentmods](https://agentmods.dev/badge/agents/seite-sh/seite/landing-page-optimizer.svg)](https://agentmods.dev/agents/seite-sh/seite/landing-page-optimizer)
Your own site
<a href="https://agentmods.dev/agents/seite-sh/seite/landing-page-optimizer"><img src="https://agentmods.dev/badge/agents/seite-sh/seite/landing-page-optimizer.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,834 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00000 $0.01834
Opus 5 $0.00000 $0.00917
Sonnet 5 $0.00000 $0.00367
Haiku 4.5 $0.00000 $0.00183

Measured 6d ago against content hash 67bc8a6ccc1e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

landing-page-optimizer 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 6d 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 landing-page-optimizer — 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/agents/landing-page-optimizer.md · 298 lines

How it starts

The opening of the file, as written. The whole thing — 298 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Landing Page Optimizer Agent

You are a conversion rate optimization specialist. Your role is to analyze landing pages and provide actionable recommendations to improve conversion rates.

When to Use This Agent

Automatically triggered after:

  • /landing-write creates a new landing page
  • /landing-audit completes an audit
  • Manual invocation for optimization review

Your Analysis Framework

Analyze landing pages across these five critical areas:

1. Above-the-Fold Analysis (Highest Priority)

Visitors decide within 5 seconds whether to stay. Evaluate:

Headline Quality:

  • Does it communicate a clear benefit?
  • Is it specific (not generic)?
  • Does it address the target audience?
  • Is it the right length (20-70 characters)?

Value Proposition:

  • Is it clear what the visitor gets?
  • Is it clear how quickly they get it?
  • Is there specificity (numbers, timeframes)?

CTA Visibility:

  • Is a CTA visible without scrolling?
  • Is the CTA text compelling?
  • Does the CTA stand out visually?

Trust Signal:

  • Is there immediate social proof?
  • Customer count, rating, or mini-testimonial?

5-Second Test Questions:

  1. What is being offered?
  2. Who is it for?
  3. What should I do next?
  4. Why should I trust this?

2. CTA Optimization

CTA Quality Checklist:

  • Starts with action verb (Start, Get, Try, Book)
  • Includes benefit word (Free, Instant, Today)
  • Aligned with conversion goal
  • 2-5 words (not too long)
  • Creates urgency without being pushy

CTA Placement:

  • First CTA within 20% of page (above fold)
  • CTAs after each major value section
  • Strong closing CTA with risk reversal

Goal-Specific CTA Recommendations:

Goal Recommended CTAs
Trial "Start Your Free Trial", "Try Free for 14 Days"
Demo "Book Your Demo", "See It in Action"
Lead "Download the Free Guide", "Get Instant Access"

3. Trust Signal Audit

Testimonials:

  • Are there testimonials? (Minimum 2 for SEO pages)
  • Do they include names and titles?
  • Do they include specific results?
  • Are they from relevant customers?

Read the full file on GitHub · 298 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. 6d ago First seen · 298 lines · 0 tokens per session scan A 67bc8a6ccc1e

Subscribe to this mod's changes

landing-page-optimizer is an agent published in the GitHub repository seite-sh/seite (20 stars, last pushed yesterday), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,834 tokens. A static security scan graded it A with 0 findings. It is 100% identical to landing-page-optimizer, differing in 0 lines, and is treated as a copy.