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
49,666
Sites in sample
Combined across all items
0.09
Best CLS (p75)
Matomo Tag Manager
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop 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 | 0.09 | 78.2% | 4,297 | |
| 2 | Google Tag Manager | 0.10 | 76.9% | 43,361 | |
| 3 | Segment | 0.10 | 75.0% | 630 | |
| 4 | Piwik PRO Tag Manager | 0.11 | 73.2% | 228 | |
| 5 | Tealium iQ | 0.12 | 71.0% | 820 | |
| 6 | Adobe Launch/DTM | 0.19 | 55.6% | 232 | |
| 7 | TagCommander | 0.20 | 64.6% | 98 |
The State of Web Vitals · Q1 2026 · 94,910 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 4.5% 4,297 0.09
Google Tag Manager 45.7% 43,361 0.10
Segment 0.7% 630 0.10
Piwik PRO Tag Manager 0.2% 228 0.11
Tealium iQ 0.9% 820 0.12
Ensighten 0% 29 0.20
TagCommander 0.1% 98 0.20
Adobe Launch/DTM 0.2% 232 0.19
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
78% of Matomo Tag Manager sites pass CLS. Adobe Launch/DTM trails 22 points behind, leaving 44% of its sites failing. computed
The State of Web Vitals · Q1 2026 · 94,910 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 45.7%
852.1s
9969ms
770.10
811.6s
591.2s
Matomo Tag Manager 4.5%
891.8s
10070ms
780.09
851.5s
631.1s
Tealium iQ 0.9%
852.0s
9879ms
710.12
861.4s
67928ms
Segment 0.7%
872.1s
9887ms
750.10
821.6s
681.0s
Adobe Launch/DTM 0.2%
802.3s
96102ms
560.19
771.7s
67947ms
Piwik PRO Tag Manager 0.2%
882.0s
9970ms
730.11
841.4s
651.0s
TagCommander 0.1%
812.3s
90110ms
650.20
801.6s
59994ms
Ensighten 0%
712.6s
9695ms
670.20
711.9s
671.0s
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: 78% of its sites pass. Adobe Launch/DTM trails at 56%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
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Related signals Video (7) → Push notifications (4) → Analytics (20) → Ad networks (9) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured
Chrome field data from 94,910 sites, representing millions of real page loads. How we measured.