Push notifications impact

Performance impact by push_notifications provider.

Field data PhoneDesktopAll Scope All sites Q1 2026 edition · Desktop field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for Push notifications impact

Performance impact by push_notifications provider.

2
Providers ranked
After min-sites filter
313
Sites in sample
Combined across all items
80ms
Best INP (p75)
Firebase Cloud Messaging
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Provider INP p75 Passing Sites
1 Firebase Cloud Messaging 80ms 98.1%
115
2 OneSignal 89ms 95.9%
198
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
3

Passing INP per provider which group passes the INP most often

ProviderSitesPassing INPp75
Airship 0% 31 100% 78ms
Firebase Cloud Messaging 0.1% 115 98% 80ms
OneSignal 0.2% 198 96% 89ms
PushEngage 0% 12 89% 80ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

No provider stands out: pass rates sit between 96% and 98%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
4

All five vitals at once the whole category without toggling - cell is the pass rate, small number the p75

LCP
INP
CLS
FCP
TTFB
OneSignal 0.2%
812.3s
9689ms
700.12
741.8s
471.3s
Firebase Cloud Messaging 0.1%
862.1s
9880ms
700.13
861.4s
66911ms
Airship 0%
961.8s
10078ms
610.14
961.3s
61873ms
PushEngage 0%
891.8s
8980ms
670.13
781.6s
331.2s
60%95%+ passing Cell: pass rate, small number = p75 · faded rows: under 100 sites

One row per provider, one column per vital - the cell is the share of sites passing, the small number the p75. No toggling needed to see where the category actually differs.

Firebase Cloud Messaging leads on INP: 98% of its sites pass. OneSignal trails at 96%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
Related signals E-commerce (14) → A/B testing (10) → Video (7) → Maps (4) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured