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
0.00
Best CLS (p75)
Wix
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | CMS | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Wix | 0.00 | 97.7% | 2,688 | |
| 2 | Joomla | 0.01 | 91.2% | 1,224 | |
| 3 | Shopify | 0.02 | 94.3% | 4,047 | |
| 4 | WordPress | 0.03 | 88.9% | 30,809 | |
| 5 | Drupal | 0.04 | 88.4% | 1,641 | |
| 6 | Squarespace | 0.05 | 89.1% | 1,012 | |
| 7 | Adobe Commerce | 0.11 | 73.7% | 565 |
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices 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 0.00
Ghost 0% 22 0.06
Shopify 4.3% 4,047 0.02
TYPO3 0.1% 48 0.02
Joomla 1.3% 1,224 0.01
Squarespace 1.1% 1,012 0.05
WordPress 32.5% 30,809 0.03
Drupal 1.7% 1,641 0.04
Adobe Commerce 0.6% 565 0.11
Storyblok 0% 5 0.14
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
98% of Wix sites pass CLS. Adobe Commerce trails 24 points behind, leaving 26% of its sites failing. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices 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%
712.7s
98103ms
890.03
602.3s
311.8s
Shopify 4.3%
961.7s
96122ms
940.02
961.2s
96524ms
Wix 2.8%
951.6s
9788ms
980.00
931.1s
80677ms
Drupal 1.7%
921.7s
97102ms
880.04
871.4s
67936ms
Joomla 1.3%
892.0s
9594ms
910.01
811.7s
541.1s
Squarespace 1.1%
892.1s
9992ms
890.05
861.5s
96556ms
Adobe Commerce 0.6%
782.4s
99120ms
740.11
702.0s
311.5s
TYPO3 0.1%
941.6s
90104ms
920.02
871.3s
72834ms
Ghost 0%
961.4s
10086ms
960.06
961.1s
80759ms
Storyblok 0%
602.8s
67154ms
600.14
602.0s
501.0s
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: 98% of its sites pass. Adobe Commerce trails at 74%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
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