Adthink (

“After injecting an invisible form and reading the email address, Adthink script sends MD5, SHA1 and SHA256 hashes of the email address to its server ( Adthink then triggers another request containing the MD5 hash of the email to data broker Acxiom (” – Source

Ethical design violations

(Learn more about Ethical Design.)

Block rule

Block domain

- trigger:
    - url-filter:
    - load-type: third-party
- action:
    - type: block


Low: found on 1 surveyed site.


About Better

Better is a Safari content blocker for iPhone, iPad, and Mac. It protects you from trackers and malvertising by enforcing the principles of Ethical Design.

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