DOCUMENTATION

Understand every signal.

Practical guides for inspecting, validating, and tracing the programmatic advertising supply chain.

Getting started

Install Darkless and understand what appears when you open an advertising transparency file.

Explore seller types, identifiers, domains, relationships, and validation results.

Review DIRECT and RESELLER lines, comments, domain summaries, and seller IDs.

Save context on a page and return to previous analyses without losing the original URL.