The State of Web Vitals · CMS

Joomla — Core Web Vitals

Field data PhoneDesktopAll October 2026 edition · Phone field outcomes
77.1% of Joomla sites pass all three Core Web Vitals
  • #9 of 12 CMSs by overall pass rate
  • Add TTFB and only 45.4% still pass
  • Runs on 1.2% of all sites measured (2,551 crawled Joomla sites, 1,568 with phone field data)

The distribution, not just the median

Each bar is the good / needs-work / poor split for Joomla. The marks where the whole fleet sits, so you can see who is ahead and who is behind.

LCP 2.0s p75
88.1% good ▲ fleet 81.8%
INP 104ms p75
94.6% good ▲ fleet 91.8%
CLS 0.00 p75
92.6% good ▲ fleet 88.9%
TTFB diagnostic 1.1s p75
54.2% good ▼ fleet 59.0%
FCP diagnostic 1.7s p75
78.9% good ▲ fleet 75.5%
Where Joomla loses ground: TTFB — 54.2% of sites pass, against 59.0% across the fleet. The fingerprint below shows which habits move that number.

CMS standings

#1 Wix 88.8% #2 Shopify 84.9% #3 Typo3 80.6% #4 Squarespace 78.6% #5 Drupal 77.3% #6 Joomla 77.1% #7 WordPress 62.7% #8 Adobe Commerce 62.3%
All CMSs →

210,902 crawled sites (126,761 with phone Chrome field data), representing millions of real page loads, October 2026 edition. How we measured.