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RobotCheck.coffee vs PolyDoc

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

RobotCheck.coffee compared with PolyDoc
DetailRobotCheck.coffee logo RobotCheck.coffeePolyDoc logo PolyDoc
What it doesIs Your Website AI-Readable? HTML to PDF and screenshot REST API for automated document workflows
StageNot given Not given
FoundedNot given Not given
Based inNot given DE
Pricing modelFree Freemium
PricingFree tool for checking individual websites. Optional API access via one-time purchases: €10 for 1,000 scans, €18 for 2,000 scans, up to €532 for 100,000 scans. API credits valid for 12 months. Free: 150 conversions/month, 30sec timeout. Starter: $9/month or $90/annual (1000 conversions/month). Standard: $19/month or $190/annual (5000 conversions/month). Business: $39/month or $390/annual (15000 conversions/month). Business XL: $99/month or $990/annual (50000 conversions/month). Premium: $
Key features
  • robots.txt analysis
  • llms.txt checking
  • Sitemap XML validation
  • Schema.org validation
  • Open Graph checking
  • HTML structure analysis
  • Image alt text checking
  • Performance measurement
  • Canonical tag validation
  • Hreflang checking
  • PDF generation from HTML and URLs with ES6+ JavaScript and modern CSS support
  • PDF/A archival output (1b, 2b, 3b) with optional veraPDF validation
  • E-invoicing with Factur-X and ZUGFeRD standards
  • PDF encryption with user and owner passwords
  • Text and image watermarks with customization options
  • Screenshot capture in PNG, JPEG, and WebP formats
  • HTML templates with Liquid syntax for variables and loops
  • Webhook delivery with HMAC-SHA256 signing
  • Presigned URL support for direct cloud storage uploads
  • Sandbox mode with 10x quota for testing
What makes it different
  • Free with no account required
  • Weekly rule updates reflecting latest LLM perception
  • Explicit rules for major AI crawlers
  • Actionable score with recommendations
  • Privacy-first architecture with stateless design and no file storage after conversion
  • Free plan with no credit card required and friendly overage policy
  • Ready-to-use templates for invoices, reports, tickets, and statements
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)29 no change since last check37 no change since last check
Trust Flow (Majestic)1118
Citation Flow (Majestic)2729
Referring domains (Majestic)2585

5 details filled in for both companies.

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