The State of Web Vitals

Tag managers impact

Tag managers ranked by their 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 Tag managers impact

Tag managers ranked by their performance impact.

7
Providers ranked
After min-sites filter
94,258
Sites in sample
Combined across all items
0.04
Best CLS (p75)
Matomo Tag Manager
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 Matomo Tag Manager 0.04 88.1%
8,191
2 Google Tag Manager 0.05 85.9%
82,239
3 Piwik PRO Tag Manager 0.06 82.4%
416
4 Segment 0.07 79.2%
1,231
5 Tealium iQ 0.08 79.1%
1,550
6 TagCommander 0.10 78.0%
180
7 Adobe Launch/DTM 0.23 59.7%
451
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
Matomo Tag Manager 4.3% 8,191 88% 0.04
Google Tag Manager 43.3% 82,239 86% 0.05
Piwik PRO Tag Manager 0.2% 416 82% 0.06
Segment 0.6% 1,231 79% 0.07
Tealium iQ 0.8% 1,550 79% 0.08
TagCommander 0.1% 180 78% 0.10
Ensighten 0% 47 67% 0.17
Adobe Launch/DTM 0.2% 451 60% 0.23
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

88% of Matomo Tag Manager sites pass CLS. Adobe Launch/DTM trails 28 points behind, leaving 40% of its sites failing. 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
Matomo Tag Manager 4.3%
832.1s
97120ms
880.04
761.8s
561.2s
TagCommander 0.1%
752.5s
86143ms
780.10
761.7s
621.1s
Piwik PRO Tag Manager 0.2%
842.0s
95127ms
820.06
811.7s
621.1s
Adobe Launch/DTM 0.2%
712.6s
83175ms
600.23
721.9s
611.0s
Google Tag Manager 43.3%
802.3s
95116ms
860.05
731.9s
531.3s
Segment 0.6%
901.8s
79156ms
790.07
881.4s
71842ms
Tealium iQ 0.8%
822.2s
93132ms
790.08
811.6s
641.0s
Ensighten 0%
702.8s
87155ms
670.17
701.9s
651.1s
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.

Matomo Tag Manager leads on CLS: 88% of its sites pass. Adobe Launch/DTM trails at 60%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
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Related signals Video (7) → Push notifications (5) → Analytics (20) → Ad networks (9) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured