Maps impact

Performance impact by maps provider.

Field data PhoneDesktopAll Scope All sites Q2 2026 edition · Phone field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for Maps impact

Performance impact by maps provider.

3
Providers ranked
After min-sites filter
25,527
Sites in sample
Combined across all items
113ms
Best INP (p75)
Mapbox
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Provider INP p75 Passing Sites
1 Mapbox 113ms 96.0%
2,590
2 Google Maps 124ms 93.0%
15,802
3 Leaflet/OpenStreetMap 141ms 90.0%
7,135
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
3

Passing INP per provider which group passes the INP most often

ProviderSitesPassing INPp75
Mapbox 1.4% 2,590 96% 113ms
Google Maps 8.3% 15,802 93% 124ms
HERE Maps 0% 30 91% 111ms
Leaflet/OpenStreetMap 3.8% 7,135 90% 141ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

96% of Mapbox sites pass INP. Leaflet/OpenStreetMap trails 6 points behind. computed

The State of Web Vitals · Q2 2026 · 189,915 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
Google Maps 8.3%
722.6s
93124ms
860.03
662.1s
511.4s
Leaflet/OpenStreetMap 3.8%
762.5s
90141ms
860.04
692.0s
541.3s
Mapbox 1.4%
842.2s
96113ms
900.02
781.7s
631.0s
HERE Maps 0%
1001.6s
91111ms
960.00
961.4s
91541ms
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.

Mapbox leads on INP: 96% of its sites pass. Leaflet/OpenStreetMap trails at 90%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
Related signals Customer data platforms (6) → Ad networks (9) → Font services (4) → Analytics (20) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured