The State of Web Vitals · CMS

Joomla — Core Web Vitals

Field data PhoneDesktopAll October 2026 edition · All devices field outcomes
77.6% of Joomla sites pass all three Core Web Vitals
  • #7 of 12 CMSs by overall pass rate
  • Add TTFB and only 46.7% still pass
  • Runs on 1.2% of all sites measured (2,551 crawled Joomla sites, 2,422 with 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
89.4% good ▲ fleet 82.5%
INP 96ms p75
95.3% good ▲ fleet 94.7%
CLS 0.01 p75
91.4% good ▲ fleet 87.8%
TTFB diagnostic 1.1s p75
55.0% good ▼ fleet 58.7%
FCP diagnostic 1.7s p75
80.9% good ▲ fleet 76.6%
Where Joomla loses ground: TTFB — 55.0% of sites pass, against 58.7% across the fleet. The fingerprint below shows which habits move that number.

CMS standings

#1 Wix 90.2% #2 Shopify 87.6% #3 Squarespace 79.6% #4 Drupal 78.5% #5 Joomla 77.6% #6 Typo3 76.2% #7 WordPress 62.8% #8 Adobe Commerce 61.3%
All CMSs →

210,902 crawled sites (196,263 with Chrome field data), representing millions of real page loads, October 2026 edition. How we measured.