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GeezerVison is showing squirrelscan.com — squirrelscan - The website QA tool for your coding agent

The website QA tool for your coding agent

squirrelscan audits your website for SEO, performance, security, accessibility and agent experience issues, and gives your coding agent exact fixes.

Install
$
Open source (MIT). No account needed. Log in to unlock cloud features.311
v0.0.179 · 7 hours ago
Run cloud audit
A coding agent piping squirrelscan findings into an editor

Built for coding agents

Skills for Claude Code, Cursor, Codex and any coding agent run the audit, fix and re-audit loop. Connect over the CLI, MCP or the API.

Several crawler workers fetching pages of a site side by side

Smart crawling

Fast and memory efficient, incremental with ETag, Last-Modified and content hashing, and resumable from checkpoints.

Audit rules checking a page and emitting a suggested fix

Enriched fixes for you and your coding agent

Every finding says how to fix it, in LLM-optimized output your agent can apply, across 300+ rules in 22 categories.

Any agent. One prompt. Zero issues.

squirrelscan plugs into the agent you already run. Tell it to fix your site: it audits, applies exact fixes, and re-runs until nothing's left. Nightly audits and a CI gate keep it that way.

Works with your agent

Claude Code logoClaude CodeCursor logoCursorCopilot logoCopilotCodex logoCodexGemini CLI logoGemini CLIWindsurf logoWindsurfChatGPT logoChatGPTOpenCode logoOpenCodeOpenClaw logoOpenClawHermes logoHermesGitHub logoGitHub

Setup steps for every agent squirrelscan plugs into

You, to your coding agent

>run squirrelscan and fix every issue until we score 100
$ squirrel audit
score 68 · C · 23 issues
✎ 14 fixes: meta, alt text, CSP
$ squirrel audit
score 84 · B · 9 issues
✎ 9 fixes: links, llms.txt, hreflang
$ squirrel audit
score 100 · A · 0 issues
✓ goal reached, exit 0

A report worth sharing

Readable enough for your team, structured enough for your coding agent. The same report works for both.

  • Health score & grade

    An at-a-glance score and letter grade, plus scores for SEO, performance, security and agents.

  • Fix-it guidance

    Each issue ships with the concrete fix, the same detail your coding agent needs.

  • Self-contained HTML

    One portable file. No server, no dependencies. Open it or share it anywhere.

  • Paste it into your agent

    The fixes travel with the report. Drop it into Claude Code or Cursor and say: work through these.

  • Seven output formats

    console · html · markdown for humans; llm · json · xml · text for agents.

See the full reportHow to read your report
A squirrelscan report for squirrelscan.com: a 79 (C) health score, category score rings, a summary and the first fix-it issues

A live report: squirrelscan auditing its own site, 220 pages. Click through the issues.

Four ways to run it

Same audit engine, same report, four front doors: your terminal, your coding agent, the cloud, or MCP.

CLI

A single binary, zero dependencies. Audit from your terminal and pipe results anywhere.

In your agent

An install-on-demand skill for Claude Code, Cursor, and any coding agent.

Cloud

Browser rendering, AI analysis, and shareable reports, all billed in credits.

MCP

A local stdio server (squirrel mcp) that exposes the audit engine and cloud features as agent tools.

Wiring it into CI? squirrelscan returns CI-friendly exit codes, so you can fail the build on score or severity thresholds.

300+ audit rules and counting

22 categories, and every rule comes with a severity and a fix. The website audit tool runs all of them across your site.

Accessibility

ARIA, focus, landmarks

SEO

Blocking

Ad blockers and privacy filters

Security

Agent Experience

llms.txt, AI crawlers, LLM parsability

Agents

Analytics

GTM, consent mode

SEO

Content

Quality, readability, freshness

SEO

Core SEO

Meta tags, canonical URLs, h1, favicon

SEO

Crawl

Robots.txt, sitemap, indexing

SEO

E-E-A-T

Experience, expertise, trust signals

SEO

i18n

Hreflang, lang attribute

SEO

Images

Alt text, dimensions, formats

SEO

Site Integrity

Injected pages, phishing kits, cloaking

Security

Legal

Privacy, cookies, TOS

Security

Links

Internal, external, broken links

SEO

Local SEO

NAP consistency, geo meta

SEO

Mobile

Viewport, tap targets

SEO

Performance

Core Web Vitals, LCP/CLS/INP

Performance

Reliability

Broken scripts, stylesheets and forms

Performance

Schema

JSON-LD structured data

SEO

Security

HTTPS, CSP, leaked secrets

Security

Social

Open Graph, Twitter cards

SEO

URL Structure

Length, hyphens, keywords

SEO

Video

VideoObject schema, accessibility

SEO
Browse all 300+ rules in the docs

Rules are continuously updated. Run squirrel self update to get the latest.

Go further in the cloud

Signed out, your CLI runs a full audit locally, for free. Log in and squirrelscan enriches it in the cloud, on credits.

A headless browser rendering a page before it is audited

Browser rendering

Audit JavaScript-heavy sites and SPAs with a real headless browser.

An LLM reading a page and scoring how parsable it is

AI page analysis

LLM parsability scoring and E-E-A-T authority signals on the pages that matter.

Fingerprints matching a page against known frameworks and services

Technology detection

385 fingerprints: CMS, frameworks, CDNs, analytics, payments, and security.

A profile card of a site's type, audience, and identity

Site profilePro

Type, audience, identity, socials, and domain age, used to keep rules relevant.

A broken outbound link being flagged during a crawl

Dead-link checking

External links verified against a shared global cache.

A written summary of an audit report being drafted

Editor's summaryPro

A Claude-written exec summary with the big-ticket items and deltas since last run.

An audit report being published to a shareable link

Publish & dashboard

Auto-publish shareable reports at your own squirrel.report address with score history over time.

A calendar re-running an audit on a repeating schedule

Scheduled audits

Re-run on autopilot from the dashboard. Free schedules one site weekly, Pro goes daily on every site.

Signed out, or with --offline, local audits run free. How the cloud works

Local CLI audits are free signed out or with --offline. Signed in, audits run on credits.

A signed-in squirrel audit spends 50 credits plus 2 per audited page and adds AI analysis, dead-link checks, and published reports. Local CLI audits are free signed out or with --offline. Free includes about 5 audits a month, Pro about 30 for $19/month.

Compare the Free, Pro, and Team plans.
Most popular
Free
$0free forever
about 5 cloud audits a month
Get started
Most popular
Pro
$19/ month
about 30 cloud audits a month
Upgrade to Pro
Most popular
Team
$29/ seat / month
min 2 seats
about 30 cloud audits a month per seat
Upgrade to TeamFor agencies: white-label reports
Audits & credits
Monthly cloud credits5003,0003,000 / seat
Crawling & rendering
Max pages per cloud audit5002,00010,000
Pages rendered at once, per audit2510
Scheduled auditsWeekly, 1 siteDaily, all sitesDaily, all sites
Reports & history
Score history per sitenot includedincludedincluded
Team & seats
Seats112 minimum
Pooled org creditsnot includednot includedincluded
White-label reportsnot includednot includedincluded
  • Failed audits refunded automatically
  • Per-audit spend caps
  • No card needed for Free
  • Cancel anytime

Enterprise: contact us

Custom contracts and invoiced billing for larger teams.

Contact us
See full pricing

A typical 25-page audit costs 100 credits. See what credits buy

From the nutshell

The knowledge base: generative engine optimization, AI crawlers, MCP servers, and how squirrelscan compares to the crawlers you already use.

Best Generative Engine Optimization Tools: 15 Ranked and Priced

Fifteen GEO tools ranked by what one tracked AI answer costs, every price read on the vendor's own page.

Best SEO MCP Servers: 11 Checked, With Prices and Setup

Eleven SEO MCP servers sorted by the job they do: keyword and backlink data, your own Google data, or a crawl of your site. Price, sign-in and scope read from each vendor's own docs.

Screaming Frog Alternatives: Free, Open Source and Paid Crawlers, Priced

The free and open source crawlers first, then the paid desktop and cloud ones, each priced from the vendor's own page, and the case for a CLI that runs in CI instead of a GUI you open by hand.

Generative engine optimization checker: test your whole site, not one URL

Run a generative engine optimization check across your whole site from the terminal, see how six free checkers did on the same site, and get the rule-by-rule checklist with a CI gate.

Read the nutshell

From the blog

Updates, guides, and thoughts on website auditing, SEO, and building tools for AI workflows.

The squirrelscan mascot beside a pixel bar chart of launch site audit scores, with the median bar in green
October 28, 2026

We Scanned 3 Months of Product Hunt Launches for Security Issues

We audited three months of Product Hunt launches and found 69 sites leaking real credentials or user data, from a live Stripe secret key to database admin keys. Plus security basics, dead sites and what votes predict.

The squirrelscan mascot looking at a broken chain link, its two halves pulled apart, pixel art
October 15, 2026

Turns Out Detecting Broken Links Is Haaaard. Meet squirrel perch.

Our old link checker cried wolf on links that worked fine. We rebuilt link checking for a web that hates robots, so a broken link in your report is far more likely to be really broken.

The squirrelscan mascot holding a magnifier up to a pixel entity map, a green organization node with five connected entities and a stray second copy of the organization off to one side
October 6, 2026

Introducing the Entity Map: Your Site's Structured Data as One Graph

Every squirrelscan audit now collapses your site's JSON-LD into one graph, so you can see whether you declare one organization or a new one on every page, and hand the fix to your coding agent.

View all posts
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