Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Over time,websites have started to rely more and more on large third parties for content delivery. Canceling requests for ads or tracking scripts usually goes without issues, but blocking actual content, unsurprisingly, breaks websites. Decentraleyes aims to cut out the middleman through blazing-fast delivery of local (bundled) content to improve your online privacy.

• Protects your privacy, by evading large delivery networks that claim to offer free services.
• Complements regular blockers like uBlock Origin (recommended), Adblock Plus, and others.
• Works directly out of the box, so absolutely no prior configuration is required.

Note: Decentraleyes is no silver bullet, but it does prevent a lot of websites from making you send these kinds of requests. Ultimately, you can make Decentraleyes block requests for any missing CDN resources, too.

Am I Currently Protected?

The following testing utility shows you if you are properly protected. It's the recommended and, probably, fastest way to see if this add-on is installed, enabled, and correctly configured.

Frequently Asked Questions

• Where can I see its status, or in what way it impacts network activity?
• Why doesn't it deliver resources from CDNs I block using a different add-on?
• Can CDNs track me even though they do not place tracking cookies?
• My browser caches downloaded CDN libraries, doesn't that protect my privacy?
• What does it do to protect me when it has no choice but to allow a request?
• Will it work well in combination with other privacy enhancing add-ons?

Technical Information

- Supported Networks: Google Hosted Libraries, Microsoft Ajax CDN, CDNJS (Cloudflare), jQuery CDN (MaxCDN), jsDelivr (MaxCDN), Yandex CDN, Baidu CDN, Sina Public Resources, and UpYun Libraries.

- Bundled Resources: AngularJS, Backbone.js, Dojo, Ember.js, Ext Core, jQuery, jQuery UI, Modernizr, MooTools, Prototype, Scriptaculous, SWFObject, Underscore.js, and Web Font Loader.

Personal Support

Is your question not listed above, or do you have any other reason to contact me personally? You can always reach me at name at domain. Bug reports or suggestions are highly welcome and I reply to every single email.

Feel free to use this public PGP key for encrypted communication.

Are You Enjoying this Add-on?

Decentraleyes is, and will always be, free, but you can support its continued development by making a Bitcoin donation, by contributing on GitHub, or by spreading the word (which does wonders). Any help would be greatly appreciated!

• Bitcoin address: 3B2ZJ2LYZKYM5wkTZFeUh8PHrAmoPdY6FK
• GitHub:

♥ See the development roadmap to find out what you will be making possible.