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Anubis Bot Verification Page - Access Block Notification

Favicon for www.bailii.org BAILII Europe Recent Decisions
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Summary

BAILII (British and Irish Legal Information Institute) deployed the Anubis bot verification system on its EU court decisions portal. The system implements a proof-of-work challenge (similar to Hashcash) to deter automated AI web scraping. Users attempting to access case documents may encounter a JavaScript-based verification page before proceeding.

What changed

BAILII has added the Anubis bot verification system to its European case law portal as a technical security measure. The system uses a proof-of-work scheme to impose computational costs on automated scrapers while remaining transparent to legitimate human users.

Users accessing EU court decisions may encounter this verification challenge, particularly those using anti-tracking or privacy-focused browser extensions that disable JavaScript functionality. No regulatory compliance obligations are created by this technical deployment.

What to do next

  1. Disable JShelter or similar browser extensions for this domain
  2. Enable JavaScript to complete verification

Archived snapshot

Apr 14, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

Making sure you're not a bot!

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You are seeing this because the administrator of this website has set up Anubis to protect the server against the scourge of AI companies aggressively scraping websites. This can and does cause downtime for the websites, which makes their resources inaccessible for everyone.

Anubis is a compromise. Anubis uses a Proof-of-Work scheme in the vein of Hashcash, a proposed proof-of-work scheme for reducing email spam. The idea is that at individual scales the additional load is ignorable, but at mass scraper levels it adds up and makes scraping much more expensive.

Ultimately, this is a placeholder solution so that more time can be spent on fingerprinting and identifying headless browsers (EG: via how they do font rendering) so that the challenge proof of work page doesn't need to be presented to users that are much more likely to be legitimate.

Please note that Anubis requires the use of modern JavaScript features that plugins like JShelter will disable. Please disable JShelter or other such plugins for this domain.

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Source document text, dates, docket IDs, and authority are extracted directly from BAILII.

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Last updated

Classification

Agency
BAILII
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor

Who this affects

Applies to
Legal professionals Researchers
Industry sector
5112 Software & Technology
Activity scope
Website access Bot detection
Geographic scope
European Union EU

Taxonomy

Primary area
Data Privacy
Operational domain
IT Security
Topics
Cybersecurity

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