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RobotCheck.coffee vs Craft Quantities

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 Craft Quantities
DetailRobotCheck.coffee logo RobotCheck.coffeeCraft Quantities logo Craft Quantities
What it doesIs Your Website AI-Readable? Free JSON API for construction calculators with test vectors and building codes
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Open source
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 under CC BY 4.0 licence
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
  • 1,173 construction calculators with full inputs and test vectors
  • 3,485 published test vectors for validation
  • No authentication key or rate limits required
  • Citations to building standards with section numbers
  • Executable API for running calculations on request
  • MCP server integration for AI assistants
  • 79 job takeoffs with calculator sequences
  • Cross-market glossary in US, Canadian, UK and Australian usage
  • Corrections ledger tracking confirmed errors
  • Unit conversion with exact statutory factors
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
  • No API key required with no rate limits or quotas
  • CC BY 4.0 licence allows commercial use and redistribution
  • Every calculation cited to specific building code sections
  • Pinned test cases prevent silent changes to published figures
  • Complete accessibility with CORS support for browser use
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)18 +2 (up) since last checkNot checked yet
Trust Flow (Majestic)110
Citation Flow (Majestic)2726
Referring domains (Majestic)2529

5 details filled in for both companies.

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