Maps impact

Performance impact by maps 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 Maps impact

Performance impact by maps provider.

3
Providers ranked
After min-sites filter
13,184
Sites in sample
Combined across all items
112ms
Best INP (p75)
Mapbox
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 Mapbox 112ms 96.5%
1,350
2 Google Maps 125ms 93.0%
8,135
3 Leaflet/OpenStreetMap 143ms 89.5%
3,699
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
HERE Maps 0% 14 100% 111ms
Mapbox 1.4% 1,350 97% 112ms
Google Maps 8.6% 8,135 93% 125ms
Leaflet/OpenStreetMap 3.9% 3,699 90% 143ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

97% of Mapbox sites pass INP. Leaflet/OpenStreetMap trails 7 points behind. 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
Google Maps 8.6%
722.6s
93125ms
860.03
662.1s
511.4s
Leaflet/OpenStreetMap 3.9%
752.5s
90143ms
850.04
702.0s
551.3s
Mapbox 1.4%
842.1s
97112ms
900.02
801.6s
65981ms
HERE Maps 0%
1001.6s
100111ms
1000.00
1001.4s
89404ms
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: 97% of its sites pass. Leaflet/OpenStreetMap trails at 90%. computed

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