Booking.com Userscripts
Install
Booking Hotel Linksv0.1.3
Adds external hotel search links on Booking.com property pages
Booking Listing Scorev0.1.0
Wilson lower-bound page-relative scoring for Booking.com list cards and map pins
Userscripts run in a userscript manager such as Tampermonkey, Violentmonkey, or ScriptCat. With one installed, Install opens its install prompt.
Two userscripts that make Booking.com search results and hotel pages easier to compare.
Booking Listing Score
Adds a review-aware score pill to each result on Booking.com search pages.
- combines the guest rating and the number of reviews into one score, so a 9.0 from 12 reviews does not outrank a 9.0 from 2,000
- colors each pill relative to the other results on the page (red to yellow to green)
- shows the score as stars next to the property title; hover for the rating, review count, and score breakdown
- also marks map pins with a score pill, matched to the pin by total stay price
- re-scores as you scroll, filter, or load more results

Runs on booking.com/searchresults.html.
Booking Hotel Links
Adds a row of search links under the property header on Booking.com hotel pages, so you can cross-check the same property elsewhere.
- links to Google, Google Travel, Google Maps, TripAdvisor, and Super.com
- builds the query from the property name, address, and city
- carries over your check-in and check-out dates and guest count where the target site supports them

Runs on booking.com/hotel/*.
Limitations
- scores are relative to the results currently loaded on the page
- map pin scores are matched by price, so pins sharing a price show an averaged score
- price parsing expects dollar amounts
Questions or feedback about Booking.com Userscripts? Get in touch.