1
At a glance the headline numbers for CMS impact
Performance impact by cms provider.
8
Providers ranked
After min-sites filter
80,309
Sites in sample
Combined across all items
0.00
Best CLS (p75)
Joomla
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Joomla | 0.00 | 92.7% | 2,325 | |
| 2 | Wix | 0.00 | 97.3% | 5,217 | |
| 3 | Typo3 | 0.01 | 95.5% | 95 | |
| 4 | Shopify | 0.01 | 93.8% | 7,625 | |
| 5 | WordPress | 0.01 | 90.3% | 59,040 | |
| 6 | Squarespace | 0.02 | 91.1% | 2,028 | |
| 7 | Drupal | 0.02 | 90.9% | 2,990 | |
| 8 | Adobe commerce | 0.08 | 79.0% | 989 |
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
Webflow 0% 15 0.00
Hubspot cms 0% 5 0.00
Wix 2.7% 5,217 0.00
Typo3 0% 95 0.01
Shopify 4% 7,625 0.01
Joomla 1.2% 2,325 0.00
Squarespace 1.1% 2,028 0.02
Ghost 0% 37 0.06
Drupal 1.6% 2,990 0.02
Wordpress 31.1% 59,040 0.01
Adobe commerce 0.5% 989 0.08
Storyblok 0% 11 0.31
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
97% of Wix sites pass CLS. Adobe commerce trails 18 points behind. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · phone 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
Wix 2.7%
941.6s
9696ms
970.00
941.1s
85591ms
Shopify 4%
951.7s
94138ms
940.01
951.2s
96526ms
Storyblok 0%
602.8s
88148ms
500.31
701.9s
221.3s
Typo3 0%
961.5s
88108ms
960.01
901.3s
71899ms
Webflow 0%
1001.7s
100110ms
1000.00
1001.1s
86734ms
Wordpress 31.1%
692.7s
97118ms
900.01
582.3s
321.8s
Drupal 1.6%
901.9s
94128ms
910.02
831.6s
65970ms
Joomla 1.2%
882.0s
95104ms
930.00
791.7s
541.1s
Adobe commerce 0.5%
772.4s
95137ms
790.08
662.1s
301.6s
Squarespace 1.1%
862.2s
99105ms
910.02
821.6s
93578ms
Ghost 0%
1001.4s
92104ms
910.06
1001.2s
85592ms
Hubspot cms 0%
1001.5s
100128ms
1000.00
1001.3s
80709ms
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.
Wix leads on CLS: 97% of its sites pass. Adobe commerce trails at 79%. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
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