Maps impact

Performance impact by maps 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 Maps impact

Performance impact by maps provider.

3
Providers ranked
After min-sites filter
13,184
Sites in sample
Combined across all items
62ms
Best INP (p75)
Mapbox
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 Mapbox 62ms 99.0%
1,350
2 Google Maps 68ms 98.6%
8,135
3 Leaflet/OpenStreetMap 70ms 98.5%
3,699
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
HERE Maps 0% 14 100% 50ms
Mapbox 1.4% 1,350 99% 62ms
Google Maps 8.6% 8,135 99% 68ms
Leaflet/OpenStreetMap 3.9% 3,699 99% 70ms
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 99% and 99%. 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
Google Maps 8.6%
802.3s
9968ms
740.11
771.7s
551.3s
Leaflet/OpenStreetMap 3.9%
812.2s
9970ms
750.11
771.7s
581.2s
Mapbox 1.4%
901.9s
9962ms
800.08
861.4s
641.0s
HERE Maps 0%
1001.8s
10050ms
800.05
1001.3s
80761ms
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.

Google Maps leads on INP: 99% of its sites pass. Mapbox trails at 99%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
Related signals Customer data platforms (5) → Ad networks (9) → Font services (4) → Analytics (20) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured