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

0.02

Best CLS (p75)

Meta Pixel

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

The ranking sorted by CLS at p75, fastest first

#	Provider	CLS p75	Passing	Sites
1	Meta Pixel	0.02	90.1%	1,426
2	LinkedIn Insight	0.04	88.7%	85
3	TikTok Pixel	0.04	90.4%	105
4	Google Ads Conversion	0.05	84.4%	755
5	Microsoft/Bing UET	0.07	81.6%	414
6	Pinterest Tag	0.07	86.4%	63

The State of Web Vitals · October 2026 · React sites (9,570) · phone 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% 0.04

TikTok Pixel 1.1% 105 90% 0.04

Meta Pixel 14.9% 1,426 90% 0.02

Snapchat Pixel 0.1% 10 89% 0.04

LinkedIn Insight 0.9% 85 89% 0.04

Pinterest Tag 0.7% 63 86% 0.07

Google Ads Conversion 7.9% 755 84% 0.05

Microsoft/Bing UET 4.3% 414 82% 0.07

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

90% of TikTok Pixel sites pass CLS. Microsoft/Bing UET trails 8 points behind. computed

The State of Web Vitals · October 2026 · React sites (9,570) · phone 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%

792.3s

89153ms

900.02

741.8s

561.3s

Google Ads Conversion 7.9%

672.9s

85164ms

840.05

622.2s

441.6s

Microsoft/Bing UET 4.3%

682.7s

85169ms

820.07

602.2s

391.7s

TikTok Pixel 1.1%

762.4s

71211ms

900.04

711.9s

421.3s

LinkedIn Insight 0.9%

702.7s

87155ms

890.04

562.3s

391.6s

Pinterest Tag 0.7%

872.2s

76191ms

860.07

712.0s

401.3s

Twitter/X Pixel 0.1%

702.9s

50234ms

1000.04

302.8s

301.6s

Snapchat Pixel 0.1%

892.2s

67204ms

890.04

562.0s

331.2s

Reddit Pixel 0.1%

862.2s

29229ms

1000.04

432.0s

291.2s

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.

Meta Pixel leads on CLS: 90% of its sites pass. Microsoft/Bing UET trails at 82%. computed

The State of Web Vitals · October 2026 · React sites (9,570) · phone 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