CMS performance
How the most-used CMS platforms perform on real-user Core Web Vitals data.
1
At a glance the headline numbers for CMS performance
How the most-used CMS platforms perform on real-user Core Web Vitals data.
7
CMSs ranked
After min-sites filter
41,986
Sites in sample
Combined across all items
0.02
Best CLS (p75)
Wix
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
| # | CMS | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Wix | 0.02 | 96.2% | 2,688 | |
| 2 | Joomla | 0.06 | 84.5% | 1,224 | |
| 3 | Shopify | 0.06 | 85.8% | 4,047 | |
| 4 | Squarespace | 0.09 | 79.3% | 1,012 | |
| 5 | Drupal | 0.09 | 78.6% | 1,641 | |
| 6 | WordPress | 0.09 | 77.7% | 30,809 | |
| 7 | Adobe Commerce | 0.14 | 65.6% | 565 |
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
3
Passing CLS per CMS which group passes the CLS most often
CMSSitesPassing CLSp75
Wix 2.8% 2,688 0.02
Shopify 4.3% 4,047 0.06
Joomla 1.3% 1,224 0.06
Squarespace 1.1% 1,012 0.09
Drupal 1.7% 1,641 0.09
WordPress 32.5% 30,809 0.09
Storyblok 0% 5 0.05
TYPO3 0.1% 48 0.10
Adobe Commerce 0.6% 565 0.14
Ghost 0% 22 0.12
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
96% of Wix sites pass CLS. Adobe Commerce trails 30 points behind, leaving 34% 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
WordPress 32.5%
762.5s
10061ms
780.09
682.0s
361.7s
Shopify 4.3%
971.7s
9977ms
860.06
961.1s
97482ms
Wix 2.8%
921.6s
10049ms
960.02
94764ms
72889ms
Drupal 1.7%
931.6s
10056ms
790.09
891.3s
69930ms
Joomla 1.3%
911.8s
10049ms
850.06
861.5s
65927ms
Squarespace 1.1%
931.9s
10059ms
790.09
951.2s
100475ms
Adobe Commerce 0.6%
842.2s
10069ms
660.14
741.8s
331.5s
TYPO3 0.1%
961.4s
10051ms
730.10
961.1s
77663ms
Ghost 0%
1001.3s
10049ms
640.12
100995ms
88694ms
Storyblok 0%
1001.6s
100133ms
750.05
1001.2s
671.0s
60%95%+ passing Cell: pass rate, small number = p75 · faded rows: under 100 sites
One row per CMS, 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: 96% of its sites pass. Adobe Commerce trails at 66%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
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