They're the biggest OTA in the UK, probably a little bit above Expedia, and with a wider gap between the top 2 and Agoda and LateRooms. They're also the bigges

They're the biggest OTA in the UK, probably a little bit above Expedia, and with a wider gap between the top 2 and Agoda and LateRooms. They're also the biggest OTA in Europe at large. Priceline (really, Booking.com) is much bigger in Europe than the US.