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 · All devices 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
0.04
Best CLS (p75)
Quora Pixel
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Quora Pixel 0.04 87.0%
72
2 TikTok Pixel 0.05 85.8%
2,581
3 Microsoft/Bing UET 0.05 85.0%
15,262
4 Google Ads Conversion 0.05 85.8%
23,141
5 Meta Pixel 0.05 85.5%
24,543
6 Snapchat Pixel 0.06 82.4%
469
7 LinkedIn Insight 0.06 84.6%
2,695
8 Twitter/X Pixel 0.07 80.5%
291
9 Pinterest Tag 0.07 83.4%
1,264
10 Reddit Pixel 0.08 80.8%
278
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Quora Pixel 0% 72 87% 0.04
Google Ads Conversion 12.2% 23,141 86% 0.05
TikTok Pixel 1.4% 2,581 86% 0.05
Meta Pixel 12.9% 24,543 86% 0.05
Microsoft/Bing UET 8% 15,262 85% 0.05
LinkedIn Insight 1.4% 2,695 85% 0.06
Pinterest Tag 0.7% 1,264 83% 0.07
Snapchat Pixel 0.2% 469 82% 0.06
Reddit Pixel 0.1% 278 81% 0.08
Twitter/X Pixel 0.2% 291 81% 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

86% of Google Ads Conversion sites pass CLS. Twitter/X Pixel trails 5 points behind. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · 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
Meta Pixel 12.9%
792.3s
94128ms
860.05
741.9s
551.3s
Google Ads Conversion 12.2%
772.4s
95126ms
860.05
711.9s
521.4s
Microsoft/Bing UET 8%
812.3s
94126ms
850.05
751.8s
551.2s
LinkedIn Insight 1.4%
782.4s
95123ms
850.06
702.0s
481.4s
TikTok Pixel 1.4%
812.3s
86166ms
860.05
791.7s
68972ms
Pinterest Tag 0.7%
752.5s
89152ms
830.07
702.0s
471.5s
Snapchat Pixel 0.2%
782.4s
83176ms
820.06
781.7s
67937ms
Twitter/X Pixel 0.2%
792.4s
81180ms
810.07
731.9s
581.1s
Reddit Pixel 0.1%
752.5s
84172ms
810.08
721.9s
541.1s
Quora Pixel 0%
842.1s
91133ms
870.04
771.8s
561.2s
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: 86% of its sites pass. Reddit Pixel trails at 81%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · all devices 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