heart.org

Observed activities (48)

This chart shows the total unique trackers seen on this website. Rather than an exact count per page, it shows the diversity of trackers seen over multiple visits.

Filter the list by category to view subset tracker types.

Sorted by frequency of appearance on domain subpages

Google Tag

81.05% • Google • Advertising

Google Static

69.42% • Google • Hosting

Google Fonts

63.93% • Google • Hosting

OneTrust

59.6% • OneTrust • Consent Management

jsDelivr

48.37% • • Hosting

Cloudflare Insights

41.04% • Cloudflare • Site Analytics

Optimizely

34.16% • Optimizely • Site Analytics

Google Analytics

29.14% • Google • Site Analytics

Hotjar

21.89% • Hotjar • Site Analytics

10.

Facebook

20.37% • Meta • Advertising

11.

Bootstrap CDN

18.48% • BootstrapCDN • Hosting

12.

Google

18.08% • Google • Advertising

13.

Cloudflare

17.32% • Cloudflare • Hosting

14.

Google APIs

16.83% • Google • Hosting

15.

New Relic

15.09% • New Relic • Site Analytics

16.

DoubleClick

14.96% • Google • Advertising

12.99% • The Trade Desk • Advertising

19.

LinkedIn Analytics

10.98% • Microsoft • Site Analytics

20.

SiteScout by Centro

10.53% • Centro • Advertising

21.

Amazon Web Services

10.15% • Amazon • Hosting

22.

Microsoft Advertising

10.04% • Microsoft • Advertising

23.

TikTok Analytics

9.51% • ByteDance Inc • Site Analytics

24.

X Advertising

8.53% • X Corp. • Advertising

25.

Amazon CloudFront

8.44% • Amazon • Hosting

26.

Microsoft Ajax CDN

7.93% • Microsoft • Hosting

27.

Quantcast

7.75% • Quantcast International Limited • Advertising

28.

Marketing Cloud Account Engagement

7.51% • Pardot • Site Analytics

29.

DataTables

7.21% • • Customer Interaction

30.

Vimeo

6.65% • Vimeo • Audio/Video Player

31.

Microsoft Services

6.05% • Microsoft • Misc

32.

Google AdServices

5.51% • Google • Advertising

33.

AppNexus

5.15% • Microsoft • Advertising

34.

5.08% • Pinterest • Social Media

35.

Beeswax

5.05% • Beeswax • Advertising

36.

SecuredVisit

5.03% • SecuredVisit • Advertising

37.

SMART AdServer

4.43% • Smart Adserver • Advertising

38.

Google User Content

3.69% • Google • Hosting

39.

LinkedIn Ads

3.42% • Microsoft • Advertising

40.

Kenshoo

2.91% • Kenshoo • Site Analytics

41.

YouTube

2.91% • Google • Audio/Video Player

2.37% • Oracle • Advertising

44.

Microsoft Azure Monitor

2.0% • Microsoft • Site Analytics

45.

Google Recaptcha

1.57% • Google • Misc

46.

Google Photos

1.43% • Google • Hosting

47.

jQuery

1.3% • JS Foundation • Hosting

48.

Adobe Typekit

1.26% • Adobe • Misc

8.36

Trackers Per Page Load

3.36

Tracking Requests Per Page Load

7.77%

Trackers Requests / All Requests

3.65MB

Data Saved

Tracking Methods

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

What is a tracker? Where does the data come from?

Tracker Diagram

This diagram maps trackers on this page to their related categories and parent companies. The connecting flows visualize which companies provide trackers in each category and the volume identified across the site.

Tracker categories

Tracking companies