{
  "slug": "platform-tax-calgary-2026",
  "generated_at": "2026-07-21T05:23:15.889Z",
  "corpus_size": 403,
  "n_joined": 350,
  "data_collected": "2026-07-21",
  "method": "Detected platform via HTML fingerprints (server header, embedded platform paths, static asset domains). Joined per-site with speed measurements (bulk-speed-audit.js), schema measurements (bulk-schema-audit.js), robots.txt measurements (bulk-robots-audit.js), and contact primitives (bulk-contact-audit.js). Aggregated median TTFB/HTML/scripts and adoption percentages per platform.",
  "naming_policy": "All sites hashed; this study reports platform-level medians and percentages only."
}