1
At a glance the headline numbers for Maps impact
Performance impact by maps provider.
3
Providers ranked
After min-sites filter
10,879
Sites in sample
Combined across all items
0.04
Best CLS (p75)
Leaflet/OpenStreetMap
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Leaflet/OpenStreetMap | 0.04 | 87.4% | 2,423 | |
| 2 | Mapbox | 0.04 | 88.1% | 576 | |
| 3 | Google Maps | 0.04 | 86.4% | 7,880 |
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
Mapbox 0.9% 576 0.04
Leaflet/OpenStreetMap 3.8% 2,423 0.04
Google Maps 12.4% 7,880 0.04
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good CLS (0.1 at p75) · one value per site
No provider stands out: pass rates sit between 86% and 88%. computed
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices 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 12.4%
632.9s
98104ms
860.04
532.5s
282.0s
Leaflet/OpenStreetMap 3.8%
652.9s
98114ms
870.04
532.5s
242.0s
Mapbox 0.9%
622.9s
99105ms
880.04
522.4s
311.8s
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 CLS: 88% of its sites pass. Google Maps trails at 86%. computed
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
Related signals Customer data platforms (6) → Ad networks (9) → Font services (4) → Analytics (20) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured
203,892 crawled sites with Chrome field data, representing millions of real page loads. How we measured.