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Dynamic

Actively monitors the data collectors on the top 10,000 most visited websites worldwide. Whotracks.me shows type, reach, and affiliation of every tracker.

Open Source

Shared with the wider content-filtering community. Other projects can use our tracker database to enhance their own privacy tools.

Discerning

More than just a website — WhoTracks.me analyzes data from the top 10,000 websites worldwide and informs Ghostery’s Anti-Tracking technology.

skribbl.io

0.7Mb of user data from trackers per page

10.2 TRACKERS
On average per page

What is a tracker?

Where does the data come from?

ALL TRACKERS SEEN (by category)

Advertising
Cdn
Misc
Customer Interaction
Site Analytics
Essential
Audio Video Player

TRACKING METHODS

FINGERPRINTING is a unique digital signature derived from the properties of your device.

PROPORTION OF TRAFFIC

25.0%

Page loads from skribbl.io on which tracking occurred

REQUESTS TO TRACKERS

31

Tracking requests per page load

TRACKER MAP

TRACKER CATEGORIES

TRACKING COMPANIES

Trackers Seen

Frequency
Company

1. jsDelivr 90.6% -
2. Google APIs 90.3% Google
3. PageFair 89.6% Blockthrough
4. Google Static 88.5% Google
5. Amazon Advertising 87.2% Amazon
6. Google Tag Manager 86.0% Google
7. Google Syndication 85.9% Google
8. Google Fonts 83.0% Google
9. DoubleClick 48.9% Google
10. ad-delivery.net 48.9% -
11. Google Analytics 47.4% Google
12. Google 4.6% Google
13. Index Exchange 3.7% Index Exchange, Inc.
14. AppNexus 2.9% Microsoft
15. PubMatic 2.9% PubMatic, Inc.
16. Bidswitch 2.9% Criteo
17. OpenX 2.9% OpenX Software Ltd.
18. CPMStar 2.9% CPMStar
19. Unruly Media 2.9% Tremor International
20. Rubicon 2.8% The Rubicon Project, Limited
21. Imgur 2.5% Imgur
22. YouTube 2.3% Google
23. Google AdServices 1.4% Google
24. SMART AdServer 1.0% Smart Adserver
25. gumgum 1.0% GumGum
26. Adform 1.0% Adform
27. Rhythmone Beacon 1.0% RhythmOne, LLC
28. Media.net 1.0% Media.net
29. Discord 1.0% -

1. jsDelivr 90.6% -
2. ad-delivery.net 48.9% -
3. Discord 1.0% -
4. Adform 1.0% Adform
5. Amazon Advertising 87.2% Amazon
6. PageFair 89.6% Blockthrough
7. CPMStar 2.9% CPMStar
8. Bidswitch 2.9% Criteo
9. Google APIs 90.3% Google
10. Google Static 88.5% Google
11. Google Tag Manager 86.0% Google
12. Google Syndication 85.9% Google
13. Google Fonts 83.0% Google
14. DoubleClick 48.9% Google
15. Google Analytics 47.4% Google
16. Google 4.6% Google
17. YouTube 2.3% Google
18. Google AdServices 1.4% Google
19. gumgum 1.0% GumGum
20. Imgur 2.5% Imgur
21. Index Exchange 3.7% Index Exchange, Inc.
22. Media.net 1.0% Media.net
23. AppNexus 2.9% Microsoft
24. OpenX 2.9% OpenX Software Ltd.
25. PubMatic 2.9% PubMatic, Inc.
26. Rubicon 2.8% The Rubicon Project, Limited
27. Rhythmone Beacon 1.0% RhythmOne, LLC
28. SMART AdServer 1.0% Smart Adserver
29. Unruly Media 2.9% Tremor International