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Organisation profile

Organisation

Polyfill.io

The BTW directory brings together public records about Polyfill.io.

The available evidence covers Legal type: Institution.

Source description Profile subject linked to reviewed BTW article evidence.

Latest 2026-08-27
Legal type
Institution

Confidence

1
Public role
Profile subject linked to reviewed BTW article evidence.
Information type
This record preserves Polyfill.io's organization identity while leaving legal entity, network resources, service scope, leadership, and related public sources open for enrichment.

Related details

  • Polyfill.io Made Domain Ownership a Downstream Website Accountability Test

    authorized human evidence

Last updated: 2026-08-27

Current status

Legal type:InstitutionNot yet assessed

Related research

1
  • Polyfill.io Made Domain Ownership a Downstream Website Accountability Test

    The 2024 Polyfill.io incident showed that a domain transfer can become a software change when websites keep letting that domain choose code for their visitors. The accountability question begins with that delegated authority: a remote service changed hands, but each including website still controlled whether the delegation remained necessary, visible and acceptable.

    Primary articlePublished 2026-07-25