Monthly plan: $39 for month one, then $79/month for 1 website with 30 articles/month; $59/month additional websites. Quarterly plan (Save 25%): $59/month billed every 3 months ($177 total) for 1 website; $49/month additional websites. Extra articles available at $3 each from 10 at a time.
Key features
Check HTML rendering without JavaScript execution
Test robots.txt for ChatGPT, Claude, Perplexity, Gemini, Copilot and other AI assistants
Detect Cloudflare and other protection systems
Analyze title, description, language, canonical address and headings
Review structured data and FAQ markup
Check llms.txt and sitemap
Extract contact information from page text
Identify the site's technology platform
Open source MIT licensed engine
Automatic internal linking to connect new articles back into existing pages
AI cover image generated for every article
Brand DNA profile that shapes all article writing consistently
Content calendar showing status of scheduled, writing, draft and published articles
Full Markdown and HTML control over article content before publishing
Keyword research with difficulty and search volume estimates
Autopilot mode to automatically fill empty calendar days with articles
14-day money-back guarantee
What makes it different
Tests how multiple AI assistants read your site simultaneously
Provides tailored recommendations based on your site's technology
Fully free with no login required
Open source engine available for command line use
Finds long-tail keywords with buying intent rather than competitive head terms
Costs less than hiring a freelancer or agency
Sets up in minutes and runs automatically while you sleep
Readable