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
2.2s
Best LCP (p75)
Mapbox
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Mapbox | 2.2s | 83.6% | 2,590 | |
| 2 | Leaflet/OpenStreetMap | 2.5s | 75.7% | 7,135 | |
| 3 | Google Maps | 2.6s | 71.7% | 15,802 |
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
3
Passing LCP per provider which group passes the LCP most often
ProviderSitesPassing LCPp75
HERE Maps 0%
30
1.6s
Mapbox 1.4%
2,590
2.2s
Leaflet/OpenStreetMap 3.8%
7,135
2.5s
Google Maps 8.3%
15,802
2.6s
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
84% of Mapbox sites pass LCP. Google Maps trails 12 points behind, leaving 28% of its sites failing. 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 LCP: 84% of its sites pass. Google Maps trails at 72%. 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.