booking.com
LCP Largest Contentful Paint: how long until the biggest thing on the screen, usually the hero image or headline, has appeared. This is the number the club rule uses.
2.6s
Not in the club
Not even close. Real users wait 2.6 s.
Real-user data from the Chrome UX Report, 75th percentile, mobile. Measured on https://www.booking.com. Checked 2026-09-03.
FCP First Contentful Paint: how long until the first text or image shows up. The moment the page stops being blank.2.4 s
TTFB Time to First Byte: how long the server takes to start sending the page. Slow TTFB means slow hosting or heavy server work.1,099 ms
INP Interaction to Next Paint: how quickly the page reacts when you tap or click. Under 200 ms feels instant.424 ms
CLS Cumulative Layout Shift: how much the page jumps around while loading. 0 is perfect, under 0.1 is good.0.00
Desktop LCP The same Largest Contentful Paint, measured for real visitors on desktop browsers. The club rule uses the phone number.2.9 s
Six months of Mondays
Weekly p75, phone 75th percentile: three quarters of real visits were at least this fast that week.Fastest week 2.5 s · slowest 2.8 sDashed line: the 1.5 s rule
Club history
Joined and kickedNothing yet. The first weekly recheck writes the first line here.
Where to find it
A contender. Is this your site? Check it on the homepage and hit List it to put your name on it.
Share card
1200 × 630
Wear the number
Live, so it can't lie
<a href="https://instantly.fyi/booking.com"><img src="https://instantly.fyi/badge/booking.com.svg" alt="instantly.fyi: 2.6 s ✗" width="137" height="20"></a>
[](https://instantly.fyi/booking.com)
Also in Other
See the whole clubexample.comReal users
0.9s
Check another site
Paste any URL on the homepage. No signup, no cookies, about five seconds.