The State of Web Vitals

Tag managers impact

Tag managers ranked by their performance impact.

Field data PhoneDesktopAll Scope All sites Q2 2026 edition · Desktop 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
94,139
Sites in sample
Combined across all items
0.09
Best CLS (p75)
Segment
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Segment 0.09 78.7%
1,230
2 Matomo Tag Manager 0.09 78.7%
8,183
3 Google Tag Manager 0.10 76.5%
82,134
4 Piwik PRO Tag Manager 0.11 74.8%
415
5 Tealium iQ 0.13 71.1%
1,548
6 TagCommander 0.16 67.1%
179
7 Adobe Launch/DTM 0.21 52.8%
450
The State of Web Vitals · Q2 2026 · 189,915 sites · desktop 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% 8,183 79% 0.09
Segment 0.6% 1,230 79% 0.09
Google Tag Manager 43.2% 82,134 77% 0.10
Piwik PRO Tag Manager 0.2% 415 75% 0.11
Tealium iQ 0.8% 1,548 71% 0.13
Ensighten 0% 47 70% 0.17
TagCommander 0.1% 179 67% 0.16
Adobe Launch/DTM 0.2% 450 53% 0.21
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

79% of Matomo Tag Manager sites pass CLS. Adobe Launch/DTM trails 26 points behind, leaving 47% of its sites failing. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · desktop 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
Google Tag Manager 43.2%
852.1s
9969ms
770.10
801.6s
591.2s
Matomo Tag Manager 4.3%
881.9s
9972ms
790.09
841.5s
621.1s
Tealium iQ 0.8%
872.0s
9981ms
710.13
861.4s
68922ms
Segment 0.6%
852.1s
9785ms
790.09
831.5s
651.1s
Adobe Launch/DTM 0.2%
812.3s
96100ms
530.21
811.6s
69926ms
Piwik PRO Tag Manager 0.2%
881.9s
9970ms
750.11
851.4s
67975ms
TagCommander 0.1%
812.3s
9395ms
670.16
781.7s
62956ms
Ensighten 0%
762.4s
9795ms
700.17
781.7s
70955ms
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: 79% of its sites pass. Adobe Launch/DTM trails at 53%. computed

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