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 · phone 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 | 97.5% | 2,688 | |
| 2 | Joomla | 0.00 | 91.9% | 1,224 | |
| 3 | Shopify | 0.01 | 94.4% | 4,047 | |
| 4 | WordPress | 0.01 | 90.2% | 30,809 | |
| 5 | Drupal | 0.02 | 90.3% | 1,641 | |
| 6 | Squarespace | 0.03 | 89.7% | 1,012 | |
| 7 | Adobe Commerce | 0.08 | 79.7% | 565 |
The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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
Shopify 4.3% 4,047 0.01
TYPO3 0.1% 48 0.01
Ghost 0% 22 0.00
Joomla 1.3% 1,224 0.00
Drupal 1.7% 1,641 0.02
WordPress 32.5% 30,809 0.01
Squarespace 1.1% 1,012 0.03
Adobe Commerce 0.6% 565 0.08
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 18 points behind. computed
The State of Web Vitals · Q1 2026 · 94,910 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
WordPress 32.5%
702.7s
97119ms
900.01
592.3s
321.8s
Shopify 4.3%
951.7s
94138ms
940.01
951.2s
96537ms
Wix 2.8%
941.6s
9696ms
980.00
931.1s
85601ms
Drupal 1.7%
901.8s
94125ms
900.02
851.5s
66966ms
Joomla 1.3%
872.0s
94102ms
920.00
791.7s
551.1s
Squarespace 1.1%
862.1s
99105ms
900.03
841.6s
92587ms
Adobe Commerce 0.6%
772.4s
97137ms
800.08
682.0s
311.5s
TYPO3 0.1%
971.7s
90112ms
940.01
891.3s
72847ms
Ghost 0%
1001.5s
8388ms
930.00
1001.2s
75699ms
Storyblok 0%
603.2s
67174ms
600.14
801.7s
501.1s
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 80%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · phone field datacorewebvitals.io/state-of-cwv
Want the polished comparison? View as a share-anchored page →
Related signals CDN (7) → Frameworks (11) → 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.