chess.com

1.

Sentry

94.82% • Sentry • Site Analytics

2.

Amazon CloudFront

39.11% • Amazon • Hosting

3.

Google Tag Manager

24.13% • Google • Essential

4.

Amazon Advertising

20.68% • Amazon • Advertising

5.

PageFair

20.19% • Blockthrough • Customer Interaction

6.

Vidazoo

19.93% • • Advertising

7.

DoubleClick

19.22% • Google • Advertising

8.

Polyfill

17.9% • Polyfill.io • Misc

9.

Twitch

11.8% • Amazon • Audio/Video Player

10.

ad-delivery.net

11.4% • • Misc

11.

Google Static

11.25% • Google • CDN

12.

Kount

9.32% • • Site Analytics

13.

Twitch CDN

9.18% • Amazon • Audio/Video Player

14.

Rubicon

5.65% • The Rubicon Project, Limited • Advertising

15.

AppNexus

5.64% • Microsoft • Advertising

16.

Google Analytics

5.6% • Google • Site Analytics

17.

PubMatic

5.58% • PubMatic, Inc. • Advertising

18.

TripleLift

5.55% • TripleLift, Inc. • Advertising

19.

Sonobi

5.48% • Sonobi, Inc • Advertising

20.

ShareThrough

5.44% • Sharethrough, Inc • Advertising

21.

PulsePoint

5.15% • PulsePoint, Inc. • Advertising

22.

Criteo

4.97% • Criteo • Advertising

23.

sovrn

4.5% • Sovrn Holdings Inc • Advertising

24.

Facebook

4.46% • Meta • Advertising

25.

OpenX

4.39% • OpenX Software Ltd. • Advertising

26.

Bidswitch

4.37% • Criteo • Advertising

27.

Adform

4.37% • Adform • Advertising

28.

StickyAds

4.37% • Comcast • Advertising

29.

Rhythmone Beacon

4.34% • RhythmOne, LLC • Advertising

30.

Media.net

4.33% • Media.net • Advertising

31.

Yahoo! Analytics

4.33% • Verizon • Site Analytics

32.

Undertone

4.19% • Perion • Advertising

33.

ID5 Sync

3.74% • ID5 Technology Ltd. • Site Analytics

34.

ScoreCard Research Beacon

3.65% • comScore, Inc. • Site Analytics

35.

Cloudflare

3.62% • Cloudflare • CDN

36.

SMART AdServer

3.56% • Smart Adserver • Advertising

37.

NetRatings SiteCensus

3.33% • Nielsen • Advertising

38.

Google Syndication

3.31% • Google • Advertising

39.

Google

2.95% • Google • Advertising

40.

Google Fonts

2.92% • Google • CDN

41.

Index Exchange

2.44% • Index Exchange, Inc. • Advertising

42.

ORC International

2.42% • Engine • Advertising

43.

33Across

2.22% • 33Across • Advertising

44.

Google APIs

1.81% • Google • CDN

45.

Google Analytics with signals

1.35% • Google • Advertising

46.

TradeDesk

1.2% • The Trade Desk • Advertising

47.

YouTube

1.07% • Google • Audio/Video Player

48.

Aggregate Knowledge

1.03% • TransUnion • Advertising

49.

Adobe Audience Manager

1.02% • Adobe • Advertising

50.

Yieldmo

1.0% • Yieldmo, Inc. • Advertising