Skip to content
Tools·The MarkupEN
Export

Blacklight: website privacy inspector (The Markup)

A free scanner by the newsroom The Markup: enter a URL and it visits the site as a user would and reports third-party cookies, ad trackers, session recording, keystroke logging and fingerprinting. An emulated visit, not a final word.

When to use itYou want a quick first look at a website’s tracking before a proper audit.

Published by
The Markup (non-profit)
Written for
international
For
developers, researchers and lawyers
Cost
free
Languages
English
Open the toolthemarkup.org

Description by overview.legal; the tool itself is the publisher’s.

How it connects

EDPS EDPS Website Evidence Collector The EDPS’s open-source command-line tool that browses a website automatically and records the cookies, web beacons and other personal data it collects, as structured evidence for… open source
EDPB EDPB website auditing tool Open-source tool of the EDPB (Support Pool of Experts) that collects evidence of a website’s cookies, trackers and third-party requests, for a supervisory authority’s inspection… open source
CNIL CookieViz: visualise web tracking (CNIL) Open-source browser of the CNIL’s innovation lab that shows, while you browse, which cookies and third-party requests a website sets and to whom it sends data. open source
Exodus Privacy εxodus: trackers in Android apps A French non-profit’s platform that analyses Android apps and reports the trackers and permissions each one contains; reports can be requested for any free app. Detects known… open source
CNIL CNIL GDPR guide for developers The CNIL’s open guide for developers in eighteen factsheets: identifying personal data, preparing a project, securing the environment and code, minimising collection, managing… open source
OWASP OWASP Top 10 Privacy Risks The OWASP project’s list of the ten most common privacy risks in web applications (among them web application vulnerabilities, operator-sided data leakage, insufficient data… open source