Introduction

CLI Website Audits for Humans, Agents & LLMs

A comprehensive website audit tool for SEO, performance, content and more that fits into your AI workflow. Single binary, zero dependencies.

Quickstart

Install squirrelscan and run your first audit in under 2 minutes.

AI Agent Integration

Use squirrelscan with Claude Code, Cursor, and other AI coding assistants.

Three Ways to Use squirrelscan

Run audits directly in your terminal with beautiful, human-readable output:

bash

squirrel audit example.com

Perfect for:

Manual audits during development
Quick site health checks
Terminal-first workflows

Pipe clean, LLM-optimized output to any AI assistant:

bash

squirrel audit example.com --format text | claude

Perfect for:

Ad-hoc AI assistance with audits
Custom AI workflows and scripts
Agents without skill support

Install the skill for fully autonomous AI workflows:

bash

npx skills install squirrelscan/skills

Then prompt your AI agent:

Use the audit-website skill to audit this site and fix all issues

Perfect for:

Autonomous fixing of SEO/accessibility issues
Multi-step AI workflows with plan mode
Continuous monitoring and regression detection

Why squirrelscan?

AI-Native Design

Built for coding agents. LLM-optimised output works seamlessly with Claude Code, Cursor, and any AI assistant.

Developer-First CLI

Single binary, zero dependencies. Shell completions, self-update, and CI/CD compatible exit codes.

230+ Rules, 21 Categories

Comprehensive coverage across SEO, accessibility, performance, and security audits.

Smart Incremental Crawling

ETag, Last-Modified, and content hashing. Skip unchanged pages. Resume interrupted crawls.

E-E-A-T Auditing

Dedicated rules for Experience, Expertise, Authority, and Trust—Google’s top ranking signals.

Multiple Output Formats

Console, JSON, HTML reports, LLM-friendly output. Export exactly what you need.

Works Where You Work

Terminal

Run anywhere with a single command.

Claude Code

Install the audit-website skill for autonomous workflows.

Cursor

Native skill integration with composer mode.

Any AI Agent

Pipe text/JSON/markdown to any LLM.

CI/CD

Fail pipelines on audit errors with exit codes.

Shell Scripts

Integrate into your automation workflows.

Rule Categories

squirrelscan runs 230+ rules across 21 categories:

Category	Description
Accessibility	ARIA, focus, landmarks
AI	LLM parsability, AI content detection
Analytics	GTM, consent mode
Content	Quality, readability, freshness
Core SEO	Meta tags, canonical URLs, h1, favicon
Crawl	Robots.txt, sitemap, indexing
E-E-A-T	Experience, expertise, trust signals
i18n	Hreflang, lang attribute
Images	Alt text, dimensions, formats
Legal	Privacy, cookies, TOS
Links	Internal, external, broken links
Local SEO	NAP consistency, geo meta
Mobile	Viewport, tap targets
Performance	Core Web Vitals, LCP/CLS/INP
Schema	JSON-LD structured data
Security	HTTPS, CSP, headers
Social	Open Graph, Twitter cards
URL Structure	Length, hyphens, keywords
Video	VideoObject schema, accessibility

Resources

GitHub

View source, report issues, contribute.

Website

Learn more about squirrelscan.

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