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
0.09
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% | 1,231 | |
| 2 | Matomo Tag Manager | 0.09 | 78.6% | 8,191 | |
| 3 | Google Tag Manager | 0.10 | 76.5% | 82,239 | |
| 4 | Piwik PRO Tag Manager | 0.11 | 74.9% | 416 | |
| 5 | Tealium iQ | 0.13 | 71.0% | 1,550 | |
| 6 | TagCommander | 0.16 | 66.7% | 180 | |
| 7 | Adobe Launch/DTM | 0.21 | 52.8% | 451 |
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
Segment 0.6% 1,231 0.09
Matomo Tag Manager 4.3% 8,191 0.09
Google Tag Manager 43.3% 82,239 0.10
Piwik PRO Tag Manager 0.2% 416 0.11
Tealium iQ 0.8% 1,550 0.13
Ensighten 0% 47 0.17
TagCommander 0.1% 180 0.16
Adobe Launch/DTM 0.2% 451 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 Segment 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
Matomo Tag Manager 4.3%
881.9s
9972ms
790.09
841.5s
621.1s
TagCommander 0.1%
802.3s
9395ms
670.16
781.7s
63956ms
Piwik PRO Tag Manager 0.2%
881.9s
9970ms
750.11
851.4s
67973ms
Adobe Launch/DTM 0.2%
812.3s
96100ms
530.21
811.6s
69927ms
Google Tag Manager 43.3%
852.1s
9969ms
770.10
801.6s
591.2s
Segment 0.6%
852.1s
9784ms
790.09
831.5s
651.1s
Tealium iQ 0.8%
872.0s
9981ms
710.13
861.4s
68922ms
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
Chrome field data from 189,915 sites, representing millions of real page loads. How we measured.