{"id":636,"slug":"platform-cwv-pass-rates-nov-2025","title":"Platform mobile CWV pass rates, November 2025 CrUX Tech Report (SEJ analysis, Dec 2025)","kind":"reference","scope":"business","status":"current","audiences":["kevin","smb-owner","candid-team"],"topics":["core-web-vitals","wordpress","page-builders"],"reference_body":"**Mobile CWV pass rate (Nov 2025), all-three-thresholds, per the HTTP Archive CrUX Technology Report, summarized by Search Engine Journal December 2025:**\n\n| CMS | Nov 2025 | Jun 2025 | YoY direction |\n|---|---|---|---|\n| Duda | **84.87%** | 83.63% | ⬆ |\n| Wix | 74.86% | 70.76% | ⬆ |\n| Shopify | not in Nov SEJ breakout | 75.22% | (relatively flat) |\n| Squarespace | 70.39% | 67.66% | ⬆ |\n| Drupal | 63.27% | 59.07% | ⬆ |\n| Joomla | 56.92% | – | ⬆ |\n| **WordPress** | **46.28%** | 43.44% | ⬆ but slowest gainer |\n| Global (all origins) | ~48% | ~49% | (flat) |\n\n**Trend (Jun 2024 → Jul 2025 → Nov 2025):**\n\n- WordPress: 40% → 45% → 46.28%. Gain of ~+4 pp/year — **half** of Wix's +14 pp YoY and Duda's +11 pp YoY.\n- 2025 Web Almanac quote (verbatim): *\"More extensible platforms improved less. WordPress and Drupal each gained around 4% year over year.\"*\n\n**Confidence:** Verified (CrUX is the authoritative public dataset; SEJ's SQL methodology is disclosed).\n\n**Reading the numbers correctly:** a WordPress site is roughly **1.8× less likely** to pass CWV than a Duda/Wix/Squarespace/Shopify site (mobile, Nov 2025). The closed-CMS lead is widening, not narrowing. See [[wordpress-cwv-causal-attribution-2026]] for why.\n\nSupersedes the earlier June 2025 numbers in [[platform-cwv-pass-rates-june-2025]] (existing) — both kept for historical comparison.","rationale_body":null,"metadata":null,"links":{"outgoing":[{"slug":"web-almanac-2025-cwv-pass-rates","title":"Web Almanac 2025: 48% mobile / 56% desktop origins pass all 3 CWV; LCP is the bottleneck","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"platform-cwv-pass-rates-june-2025","title":"June 2025 platform CWV pass rates (SEJ): Duda 83.63%, Shopify 75.22%, Wix 70.76%, Squarespace 67.66%, Drupal 59.07%, WordPress 43.44%","kind":"reference","scope":"business","link_type":"supersedes"}],"incoming":[{"slug":"research-brief-wp-builders-vs-modern-stacks-2026","title":"Research brief: WordPress + Page Builders vs Modern Custom Stacks — sourced performance comparison (piece 18)","kind":"reference","scope":"business","link_type":"depends-on"}]},"created_at":"2026-05-22T21:23:33.783Z","updated_at":"2026-05-22T21:23:33.783Z"}