Push notifications impact

Performance impact by push_notifications provider.

Field data PhoneDesktopAll Scope All sites Q1 2026 edition · All devices 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
2.8s
Best LCP (p75)
OneSignal
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by LCP at p75, fastest first

# Provider LCP p75 Passing Sites
1 OneSignal 2.8s 68.6%
198
2 Firebase Cloud Messaging 3.0s 69.0%
115
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
3

Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75
PushEngage 0% 12 82% 2.0s
Airship 0% 31 76% 2.4s
Firebase Cloud Messaging 0.1% 115 69% 3.0s
OneSignal 0.2% 198 69% 2.8s
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good LCP (2.5s at p75) · one value per site

No provider stands out: pass rates sit between 69% and 69%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · all devices 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%
692.8s
88154ms
710.13
592.3s
471.4s
Firebase Cloud Messaging 0.1%
693.0s
94142ms
660.14
741.8s
66969ms
Airship 0%
762.4s
100136ms
550.21
691.9s
59921ms
PushEngage 0%
822.0s
80169ms
640.12
731.8s
181.3s
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.

OneSignal leads on LCP: 69% of its sites pass. Firebase Cloud Messaging trails at 69%. computed

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