The State of Web Vitals

Marketing pixels impact

Marketing pixels and tracking SDKs ranked by performance impact.

Field data PhoneDesktopAll Scope All sites Q2 2026 edition · Phone field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for Marketing pixels impact

Marketing pixels and tracking SDKs ranked by performance impact.

10
Providers ranked
After min-sites filter
70,596
Sites in sample
Combined across all items
0.02
Best CLS (p75)
Quora Pixel
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Quora Pixel 0.02 87.5%
72
2 LinkedIn Insight 0.03 87.3%
2,695
3 Google Ads Conversion 0.03 86.8%
23,141
4 TikTok Pixel 0.04 86.4%
2,581
5 Microsoft/Bing UET 0.04 86.0%
15,262
6 Meta Pixel 0.04 86.7%
24,543
7 Twitter/X Pixel 0.05 83.7%
291
8 Snapchat Pixel 0.06 82.8%
469
9 Pinterest Tag 0.06 83.3%
1,264
10 Reddit Pixel 0.07 83.6%
278
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Quora Pixel 0% 72 88% 0.02
LinkedIn Insight 1.4% 2,695 87% 0.03
Google Ads Conversion 12.2% 23,141 87% 0.03
Meta Pixel 12.9% 24,543 87% 0.04
TikTok Pixel 1.4% 2,581 86% 0.04
Microsoft/Bing UET 8% 15,262 86% 0.04
Twitter/X Pixel 0.2% 291 84% 0.05
Reddit Pixel 0.1% 278 84% 0.07
Pinterest Tag 0.7% 1,264 83% 0.06
Snapchat Pixel 0.2% 469 83% 0.06
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 83% and 87%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · phone 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
Meta Pixel 12.9%
782.4s
90150ms
870.04
731.9s
551.3s
Google Ads Conversion 12.2%
772.4s
91147ms
870.03
702.0s
521.3s
Microsoft/Bing UET 8%
792.4s
90149ms
860.04
731.9s
541.2s
LinkedIn Insight 1.4%
732.6s
88159ms
870.03
642.1s
461.4s
TikTok Pixel 1.4%
792.3s
79187ms
860.04
771.7s
66997ms
Pinterest Tag 0.7%
762.5s
84171ms
830.06
702.0s
481.4s
Snapchat Pixel 0.2%
772.4s
74202ms
830.06
741.8s
65959ms
Twitter/X Pixel 0.2%
742.6s
71210ms
840.05
692.0s
541.2s
Reddit Pixel 0.1%
732.6s
73204ms
840.07
662.1s
511.2s
Quora Pixel 0%
862.2s
84161ms
880.02
771.8s
551.2s
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: 87% of its sites pass. Snapchat Pixel trails at 83%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
Related signals JS libraries (23) → Reviews (8) → Email marketing (8) → Consent platforms (16) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured