Maps impact WordPress sites

Performance impact by maps provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Desktop field outcomes · WordPress sites only
Metric LCP INP CLS
WordPress Scoped to 63,295 sites out of 203,892 analyzed (cms) Compare with all sites →
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
0.08
Best CLS (p75)
Mapbox
The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Mapbox 0.08 81.7%
576
2 Leaflet/OpenStreetMap 0.10 76.2%
2,423
3 Google Maps 0.10 76.5%
7,880
The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Mapbox 0.9% 576 82% 0.08
Google Maps 12.4% 7,880 77% 0.10
Leaflet/OpenStreetMap 3.8% 2,423 76% 0.10
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

82% of Mapbox sites pass CLS. Leaflet/OpenStreetMap trails 6 points behind. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · 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 12.4%
712.7s
10062ms
770.10
642.1s
351.7s
Leaflet/OpenStreetMap 3.8%
702.7s
9966ms
760.10
592.3s
301.9s
Mapbox 0.9%
722.6s
9963ms
820.08
642.1s
331.8s
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: 82% of its sites pass. Leaflet/OpenStreetMap trails at 76%. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop 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