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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.

wal-mart.com

3.4Mb of user data from trackers per page

3.7 TRACKERS
On average per page

What is a tracker?

Where does the data come from?

ALL TRACKERS SEEN (by category)

Misc
Cdn
Advertising
Site Analytics
Essential
Consent
Hosting

TRACKING METHODS

COOKIES are files placed by the website, stored in the browser that is used to identify you to the website.

PROPORTION OF TRAFFIC

66.0%

Page loads from wal-mart.com on which tracking occurred

REQUESTS TO TRACKERS

201

Tracking requests per page load

TRACKER MAP

TRACKER CATEGORIES

TRACKING COMPANIES

Trackers Seen

Frequency
Company

1. Google Tag Manager 54.2% Google
2. office.net 37.5% Microsoft
3. Microsoft Services 36.3% Microsoft
4. office.com 35.2% Microsoft
5. Google Analytics 30.6% Google
6. Microsoft Network 21.6% Microsoft
7. Google Fonts 10.6% Google
8. Google Static 8.7% Google
9. Adobe Audience Manager 4.8% Adobe
10. Google APIs 4.8% Google
11. CookieLaw by OneTrust (formerly Optanaon) 4.6% OneTrust
12. HubSpot 4.1% HubSpot
13. office365.com 3.5% Microsoft
14. ThreatMetrix 3.3% ThreatMetrix
15. DoubleClick 2.8% Google
16. Microsoft Advertising 2.7% Microsoft
17. OneTrust 2.4% OneTrust
18. Google 1.9% Google
19. Amazon Web Services 1.8% Amazon
20. Mixpanel 1.2% Mixpanel
21. Google AdServices 1.2% Google
22. Cloudflare 1.0% Cloudflare
23. Microsoft Ajax CDN 1.0% Microsoft
24. Adobe Typekit 1.0% Adobe

1. Adobe Audience Manager 4.8% Adobe
2. Adobe Typekit 1.0% Adobe
3. Amazon Web Services 1.8% Amazon
4. Cloudflare 1.0% Cloudflare
5. Google Tag Manager 54.2% Google
6. Google Analytics 30.6% Google
7. Google Fonts 10.6% Google
8. Google Static 8.7% Google
9. Google APIs 4.8% Google
10. DoubleClick 2.8% Google
11. Google 1.9% Google
12. Google AdServices 1.2% Google
13. HubSpot 4.1% HubSpot
14. office.net 37.5% Microsoft
15. Microsoft Services 36.3% Microsoft
16. office.com 35.2% Microsoft
17. Microsoft Network 21.6% Microsoft
18. office365.com 3.5% Microsoft
19. Microsoft Advertising 2.7% Microsoft
20. Microsoft Ajax CDN 1.0% Microsoft
21. Mixpanel 1.2% Mixpanel
22. CookieLaw by OneTrust (formerly Optanaon) 4.6% OneTrust
23. OneTrust 2.4% OneTrust
24. ThreatMetrix 3.3% ThreatMetrix