booking.com

booking.com

We have not found a subprocessor list published by booking.com. We monitor 6 of its documents, which we last checked on Nov 11, 2026.

Subprocessors

None extracted.

Web TechnologiesCSV · Atom

booking.com's homepage made 353 requests to 27 domains, 16 services controlled by another company, and 2 domains not identified.

Advertising (13): The Trade Desk, Inc., Google Cloud, Microsoft, ID5 Technology Ltd, Amazon, LY Corporation, Reddit, Inc.; reviewed: Criteo, BidSwitch GmbH, Index Exchange Inc.; usually detected as Advertising: Xandr, PubMatic, Magnite, Inc.Cookie compliance (1): OneTrustOther (2): usually detected as Retargeting: RTB House; Security: Amazon Web Services

16 third parties by category: Advertising 13Cookie compliance 1Other 2

Third parties 16 · 92 requests
The Trade Desk, Inc. theTradeDesk 5% of the page's requests 18
Google Cloud Google Analytics Google Publisher Tag Google Tag Manager 4% of the page's requests 14
Criteo criteo.com, criteo.net 3% of the page's requests 10
Amazon Web Services AWS WAF Bot Control 2% of the page's requests 7
OneTrust OneTrust 2% of the page's requests 7
Microsoft Microsoft Advertising 2% of the page's requests 6
ID5 Technology Ltd ID5 1% of the page's requests 5
Amazon Amazon Advertising 1% of the page's requests 4
BidSwitch GmbH bidswitch.net 1% of the page's requests 4
Index Exchange Inc. casalemedia.com 1% of the page's requests 4
RTB House creativecdn.com <1% of the page's requests 3
Xandr adnxs.com <1% of the page's requests 3
LY Corporation Yahoo! JAPAN Ads <1% of the page's requests 2
PubMatic pubmatic.com <1% of the page's requests 2
Reddit, Inc. Reddit Ads <1% of the page's requests 2
Magnite, Inc. rubiconproject.com <1% of the page's requests 1
Unknown 2 · 2 requests

flvcdn.netslim02.jp

First party 1 · 259 requests
booking.com Amazon CloudFront Amazon Web Services Booking.com Booking.com widget Criteo HSTS Nginx Open Graph PubSubJS 73% of the page's requests 259

8 tracked companies loaded by the homepage are not in booking.com's subprocessor list. A website can use a service without it processing customer data.

ChangesCSV · Atom

None since tracking began.

Rating badge for booking.com's site

booking.com transparency rating

It updates with the rating.

<a href="https://thirdpartyindex.com/vendors/booking-com"><img src="https://thirdpartyindex.com/badge/booking-com.svg" alt="booking.com transparency rating on Third Party Index" height="20"></a>
[![booking.com transparency rating on Third Party Index](https://thirdpartyindex.com/badge/booking-com.svg)](https://thirdpartyindex.com/vendors/booking-com)