Core Web Vitals, tracked from real users.
LCP, INP, CLS, FCP, and TTFB from real users in production. Sliced by page, device, and country. No lab simulations.
Every vital, by page and device.
Every vital, sliced by page, device, and percentile, so you fix the right thing, not just the average.
Every vital, measured from real users.
Core Web Vitals
Last 28 days
1.6s
LCP0.00
CLS88ms
INP1.7s
FCP820ms
TTFBOriginPassing
p75 LCP1,558ms
TTFBNeeds work
Pages24 tracked
Find out which environments are making users wait.
| Browser | Visitors | LCP | FCP |
|---|---|---|---|
| Chrome | 2.9K | 864ms | 872ms |
| Mobile Chrome | 361 | 3.8s | 3.1s |
| Mobile Safari | 367 | 3.4s | 2.9s |
| 221 | 1.2s | 1.1s |
Pinpoint the pages hurting your score before users notice.
| Page | LCP | FCP | CLS | INP |
|---|---|---|---|---|
| / | 1.6s | 1.7s | 0.000 | 88ms |
| /contact | 1.2s | 1.6s | 0.000 | 242ms |
| /pricing | 987ms | 912ms | N/A | 72ms |
| /checkout | 3.4s | 2.8s | 0.14 | 188ms |
| /docs | 2.1s | 1.9s | 0.02 | 96ms |
| /blog | 1.9s | 1.8s | 0.04 | 104ms |
Optimize for the threshold Google actually uses to rank you.
LCP
- p996,323ms
- p953,293ms
- p902,476ms
- p751,558ms
- p50964ms
Alerts when a metric degrades.
Get alerted when a vital degrades. Track frequency over time to confirm your fix actually held.
Know the moment something breaks.
LCP regressionjust now
exceeded 2.5s threshold on /checkout
/checkoutMobile ChromeEU
TTFB exceeding 800ms18m ago
INP exceeding 200ms18m ago
Confirm the fix actually held.
LCP · /checkout
3.4s→1.6s
CLS · /checkout
0.14→0.02
INP · /pricing
72ms→242ms
TTFB · site-wide
~820ms→~820ms