1
At a glance the headline numbers for Maps impact
Performance impact by maps provider.
3
Providers ranked
After min-sites filter
25,556
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% | 2,595 | |
| 2 | Google Maps | 124ms | 93.0% | 15,822 | |
| 3 | Leaflet/OpenStreetMap | 141ms | 90.0% | 7,139 |
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% 2,595 113ms
Google Maps 8.3% 15,822 124ms
HERE Maps 0% 30 111ms
Leaflet/OpenStreetMap 3.8% 7,139 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
Leaflet/OpenStreetMap 3.8%
762.5s
90141ms
860.04
692.0s
541.3s
Google Maps 8.3%
722.6s
93124ms
860.03
662.1s
511.4s
Mapbox 1.4%
842.2s
96113ms
900.02
781.7s
631.0s
HERE Maps 0%
1001.6s
90111ms
950.00
951.4s
91546ms
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
Chrome field data from 189,915 sites, representing millions of real page loads. How we measured.