Customer data platforms impact React sites

Performance impact by cdp provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · React sites only
Metric LCP INP CLS
React Scoped to 9,570 sites out of 210,902 analyzed (frameworks) Compare with all sites →
1

At a glance the headline numbers for Customer data platforms impact

Performance impact by cdp provider.

1
Providers ranked
After min-sites filter
70
Sites in sample
Combined across all items
1.7s
Best LCP (p75)
Segment
The State of Web Vitals · October 2026 · React sites (9,570) · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by LCP at p75, fastest first

# Provider LCP p75 Passing Sites
1 Segment 1.7s 91.9%
70
The State of Web Vitals · October 2026 · React sites (9,570) · all devices field datacorewebvitals.io/state-of-cwv
3

Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75
Segment 0.7% 70 92% 1.7s
Tealium AudienceStream 0.3% 27 82% 2.0s
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
The State of Web Vitals · October 2026 · React sites (9,570) · 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
Segment 0.7%
921.7s
96100ms
860.04
891.2s
80703ms
Tealium AudienceStream 0.3%
822.0s
89183ms
890.05
781.7s
63839ms
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.

The State of Web Vitals · October 2026 · React sites (9,570) · all devices field datacorewebvitals.io/state-of-cwv
Related signals JS libraries (26) → Bot detection (8) → Email marketing (8) → Marketing pixels (10) → 210,902 crawled sites with Chrome field data, representing millions of real page loads · How we measured