What Booking.com's terms say
Booking.com's terms of service and privacy policy have 15 rated points: 0 serious, 2 bad, 11 worth knowing and 2 good. 12 apply whenever you use the site, signed in or not; 3 only once you have an account.
Whenever you use Booking.com
Bad 2
Any liability on behalf of the service is only limited to the fees you paid as a user
Instead of asking directly, this Service will assume your consent to changes of terms merely from your usage
Worth knowing 9
There is a date of the last update of the agreements
Invalidity of any portion of the Terms of Service does not entail invalidity of its remainder
The court of law governing the terms is in location X
The court of law governing the terms is in the Netherlands
This service informs you that its Terms of Service does not apply to third-party services
You should revisit the terms periodically, although in case of material changes, the service will notify
This service is a subsidiary of Company X
This service is a subsidiary of Booking Holdings Inc.
Your IP address is collected, which can be used to view your approximate location
You agree not to use the service for illegal purposes
Spidering, crawling, or accessing the site through any automated means is not allowed
Good 1
The court of law governing the terms is in a jurisdiction that is friendlier to user privacy protection
The court of law governing the terms is in a jurisdiction that is friendlier to user privacy protection (Netherlands)
If you have a Booking.com account
Worth knowing 2
You must create an account to use this service
This service is only available to users over a certain age
This service is only available to users over 18 years old
Good 1
Your account may be suspended and/or terminated for breaching the Terms of Service
User accounts can be terminated after having been in breach of the Terms of Service repeatedly
The documents
Ratings by ToS;DR volunteers; they can lag behind the current terms. Not legal advice.