Push notifications impact

Performance impact by push_notifications provider.

Field data PhoneDesktopAll Scope All sites Q1 2026 edition · Phone 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
161ms
Best INP (p75)
Firebase Cloud Messaging
The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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 161ms 86.8%
115
2 OneSignal 172ms 83.3%
198
The State of Web Vitals · Q1 2026 · 94,910 sites · phone field datacorewebvitals.io/state-of-cwv
3

Passing INP per provider which group passes the INP most often

ProviderSitesPassing INPp75
Airship 0% 31 96% 159ms
Firebase Cloud Messaging 0.1% 115 87% 161ms
OneSignal 0.2% 198 83% 172ms
PushEngage 0% 12 75% 192ms
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 83% and 87%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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%
702.9s
83172ms
710.14
602.3s
531.3s
Firebase Cloud Messaging 0.1%
613.2s
87161ms
660.16
702.0s
641.0s
Airship 0%
762.3s
96159ms
560.22
721.9s
48955ms
PushEngage 0%
881.7s
75192ms
880.05
751.6s
131.1s
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: 87% of its sites pass. OneSignal trails at 83%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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