Marketing pixels impact on React sites | The State of Web Vitals 2026

LCP INP CLS

REReact Scoped to 9,570 sites out of 210,902 analyzed (frameworks) Compare with all sites →

At a glance the headline numbers for Marketing pixels impact

Marketing pixels and tracking SDKs ranked by performance impact.

Providers ranked

After min-sites filter

2,848

Sites in sample

Combined across all items

0.09

Best CLS (p75)

LinkedIn Insight

The State of Web Vitals · October 2026 · React sites (9,570) · desktop field datacorewebvitals.io/state-of-cwv

The ranking sorted by CLS at p75, fastest first

#	Provider	CLS p75	Passing	Sites
1	LinkedIn Insight	0.09	79.6%	85
2	Pinterest Tag	0.09	76.5%	63
3	TikTok Pixel	0.09	76.7%	105
4	Meta Pixel	0.12	72.7%	1,426
5	Google Ads Conversion	0.15	69.3%	755
6	Microsoft/Bing UET	0.17	63.8%	414

The State of Web Vitals · October 2026 · React sites (9,570) · desktop field datacorewebvitals.io/state-of-cwv

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75

Twitter/X Pixel 0.1% 10 100% 0.04

Reddit Pixel 0.1% 7 100% 0.05

Snapchat Pixel 0.1% 10 88% 0.05

LinkedIn Insight 0.9% 85 80% 0.09

TikTok Pixel 1.1% 105 77% 0.09

Pinterest Tag 0.7% 63 77% 0.09

Meta Pixel 14.9% 1,426 73% 0.12

Google Ads Conversion 7.9% 755 69% 0.15

Microsoft/Bing UET 4.3% 414 64% 0.17

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

77% of TikTok Pixel sites pass CLS. Microsoft/Bing UET trails 13 points behind, leaving 36% of its sites failing. computed

The State of Web Vitals · October 2026 · React sites (9,570) · desktop field datacorewebvitals.io/state-of-cwv

All five vitals at once the whole category without toggling - cell is the pass rate, small number the p75

LCP

INP

CLS

FCP

TTFB

Meta Pixel 14.9%

742.6s

10077ms

730.12

702.0s

431.8s

Google Ads Conversion 7.9%

682.8s

9878ms

690.15

642.2s

381.8s

Microsoft/Bing UET 4.3%

762.4s

10081ms

640.17

702.0s

461.7s

TikTok Pixel 1.1%

792.4s

10099ms

770.09

711.8s

521.5s

LinkedIn Insight 0.9%

872.0s

10080ms

800.09

781.6s

491.3s

Pinterest Tag 0.7%

852.2s

100129ms

770.09

741.8s

521.5s

Twitter/X Pixel 0.1%

861.8s

100111ms

1000.04

861.6s

671.3s

Snapchat Pixel 0.1%

752.4s

100119ms

880.05

632.0s

631.7s

Reddit Pixel 0.1%

1001.8s

100124ms

1000.05

1001.6s

100605ms

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.

TikTok Pixel leads on CLS: 77% of its sites pass. Microsoft/Bing UET trails at 64%. computed

The State of Web Vitals · October 2026 · React sites (9,570) · desktop field datacorewebvitals.io/state-of-cwv

Related signals JS libraries (26) → Reviews (8) → Email marketing (8) → Consent platforms (16) → 210,902 crawled sites with Chrome field data, representing millions of real page loads · How we measured

Marketing pixels impact React sites

At a glance the headline numbers for Marketing pixels impact

The ranking sorted by CLS at p75, fastest first

Passing CLS per provider which group passes the CLS most often

All five vitals at once the whole category without toggling - cell is the pass rate, small number the p75