If the site hangs or throws a blank screen, start with the basics: clear browser cache and cookies, then reload. Chromium-based browsers sometimes conflict with outdated cached data from Booking.com — a hard refresh (Ctrl+Shift+R) fixes it in seconds. If the problem persists, try a different browser or switch from desktop to the mobile app.
The Booking.com app tends to crash when the local storage is full or the app version is outdated. Go to your phone settings, clear the app cache (not data, unless you want to log in again), and check for updates in the App Store or Google Play. On Android, force-stopping the app before relaunching often helps.
A failed payment at the final step is usually one of these:
Check spam and promotions folders first. If nothing's there, log into your account — the booking shows up under 'My Trips' even without the email. The issue is usually a mail filter or a typo in the registered email address. You can resend the confirmation from the booking details page.
If the password is correct but login still fails, the session token might be corrupted. Log out fully, clear cookies, and try again. For a locked account, use the 'Forgot password' flow — Booking sends a reset link within a couple of minutes. If the email doesn't arrive, the account might be tied to a social login (Google or Facebook) rather than a password.
This usually happens when the browser has cached an old version of the search page. A full cache clear resolves it. If filters reset on their own or dates don't stick, disable browser extensions one by one — ad blockers sometimes interfere with the booking interface scripts.