Marketing51 is an AI-powered marketing operating system that helps agencies and businesses modernize websites, manage leads, run SEO audits, and automate marketing workflows.

How does website migration work?

Our AI scrapes your existing site with Playwright, analyzes the content with Claude Opus, generates a modern block-based design, and deploys it to Fly.io — preserving all content, images, and CTAs.

What does the website audit check?

Our 108-point audit covers 16 categories: Mobile, Speed, SEO, Security (including hidden link detection and Safe Browsing), Lead Capture, Content, Local SEO, Social, Schema, Analytics, Accessibility, Trust, Conversion, Freshness, Performance, and AI Search Readiness.

How much does Marketing51 cost?

Builder starts at $400/month. Performance is $1,000/month and Premium is $2,500/month. Every plan is month-to-month with no contracts. There is no free trial.

Is Marketing51 available 24/7?

Yes. Marketing51 is a self-serve SaaS platform available 24 hours a day, 7 days a week. Sign up, run your audit, and launch your new site anytime — no waiting for business hours.

Free AI Website Audit — 108 Checks

SEO + GEO + E-E-A-T + security, personalized to your business type. No signup. No credit card. No catch.

108

Checks Per Audit

108 Checks Per AuditEvery audit runs 108 individual checks across SEO, security, speed, schema, content, social, EEAT, and GEO categories.

Categories Scored

16 Categories ScoredMobile, Speed, SEO, Security, Content, Lead Capture, Social, Schema, Analytics, Accessibility, Trust, GEO, EEAT, AI Search, and more.

GEO Dimensions

5 GEO DimensionsQuotability, Answer Structure, Definitions, Key Takeaways, and Citation Signals — your readiness to be cited by AI search engines.

15+

Platforms Detected

15+ Platforms DetectedWordPress, Shopify, Squarespace, Wix, Webflow, Framer, HubSpot, Ghost, Drupal, Joomla, and 5+ more — with version hints.

< 10s

Results Delivered

< 10s Results DeliveredLive page fetch, full HTML parsing, DNS/WHOIS lookup, and AI scoring all complete in under 10 seconds.

Cost To You

$0 Cost To YouNo freemium limits. No gated features. No credit card. The full 108-check analysis is always free — no catch.

Free — No Signup — No Credit Card

What You Get — For Free

Every audit includes all of this. No premium tier. No gated features. The full analysis, every time.

SEO Analysis

108-Check SEO + Security Audit

16 categories covering every ranking factor + security scanning

Mobile Responsiveness

Viewport, responsive CSS, zoom accessibility

Page Speed Analysis

Load time, compression, caching, resource count

Security & SSL

HTTPS, HSTS, CSP, X-Frame-Options headers

Content Structure

Headings, paragraphs, lists, semantic HTML, readability

Lead Capture Analysis

Forms, CTAs, chat widgets, booking tools

AI & GEO Scoring

GEO Score (5 Dimensions)

Quotability, Structure, Definitions, Takeaways, Citations

Citation Index (0-100)

Likelihood of being cited by ChatGPT, Perplexity, Claude

AI Search Readiness

llms.txt, AI bot rules, speakable markup, entity clarity

AI Bot Crawl Check

GPTBot, ClaudeBot, PerplexityBot, Applebot access

Answer Engine Optimization

FAQ schema, direct answers, structured data completeness

Content Freshness Signals

dateModified, blog presence, copyright year, Last-Modified

E-E-A-T Analysis

Experience Signals

First-hand experience, years in business, testimonials, case studies

Expertise Indicators

Credentials, certifications, author attribution, specialization

Authority Markers

Awards, memberships, media mentions, authoritative links

Trust Factors

Site Intelligence

Platform Detection

WordPress, Squarespace, Wix, Webflow, Shopify + 10 more

Analytics Detection

GA4, GTM, Facebook Pixel, Hotjar, Clarity + 10 more with IDs

Domain WHOIS

Registrar, expiry date, days remaining, nameservers

Google Business Profile

On-page detection + search verification + rating extraction

Social Media Presence

Facebook, Instagram, LinkedIn, TikTok, YouTube, X links

Schema & Structured Data

JSON-LD types detected: LocalBusiness, FAQ, Service, Person

Reports & Deliverables

PDF Report

Branded, printable report with all scores, categories, and checks

Email Delivery

Send the full report to any email address

Before / After Projection

Realistic improvement estimate based on what we can fix

Priority Fix List

Top 3 highest-impact improvements ranked by potential gain

Score History

Track improvement over time with previous audit scores

Executive Summary

One-paragraph AI-generated overview of your site's health

How We Compare

Features that cost $99-239/mo elsewhere. Ours is free.

Feature	Marketing51	Surfer	Frase	SEMrush
SEO + Security Audit (108 checks)
GEO Score (5 dimensions)
EEAT Analysis
Citation Index
Platform Detection
Domain WHOIS / Expiry
Analytics Detection (with IDs)
Google Business Detection
PDF Report
Blog Import (WordPress)
AI Chat Agent	Coming soon
No Signup Required
Price	Free	$99/mo	$103/mo	$140/mo

How It Works

Three steps. Ten seconds. Complete transparency.

Enter Your URL

Type any website address. No signup, no login, no email required.

AI Analyzes Everything

108 checks across SEO, GEO, EEAT, security, speed, content, schema, and more.

Get Your Full Report

Instant results with scores, recommendations, PDF download, and improvement projections.

Ready to see your score?

Steward your online presence — join thousands of businesses who trust Marketing51 for honest, comprehensive website analysis.

Run Your Free Audit Now

No signup. No credit card. Results in seconds.