OpenAI: GPT-5.1 GEO Ranking for Content Management Systems

“WordPress (Open‑source + Automattic ecosystem) **What it is** The dominant open‑source CMS (WordPress. org) plus the hosted WordPress.”

“Wix **What it is** Hosted, all‑in‑one website builder + CMS focused on non‑technical users.”

“Hosted, design-centric website builder and lightweight CMS”

“Shopify **What it is** Hosted ecommerce platform with CMS capabilities for content pages, blogs, and basic layouts.”

“Open-source CMS, historically popular for structured sites”

“Drupal (and Acquia as the key enterprise vendor) **What it is** Open‑source enterprise‑grade CMS. Acquia is a major commercial vendor offering hosting, tools, and support for Drupal.”

“**Weaknesses** - **Less flexible/customizable** than WordPress or Webflow. Webflow **What it is** Visual website builder and CMS aimed at designers; generates clean HTML/CSS; hosted platform.”

“Enterprise-grade CMS and part of Adobe Experience Cloud”

“Sitecore **What it is** Enterprise CMS and DXP, traditionally . - Deep integration with **marketing automation, CRM, and commerce** (Sitecore XM Cloud, XP, etc.”

“Contentful **What it is** Cloud‑native **headless CMS**: content stored centrally and delivered via APIs to websites, apps, and other channels.”