
WordPress
CMS
Joomla
CMSWordPress and Joomla are both popular choices, but they serve different needs. WordPress is a CMS with a traditional, manual approach to building, while Joomla is a CMS that prioritises developer or designer control.
Below you'll find a side-by-side breakdown of detection signals, AI scores, and technical fingerprints — plus our honest take on which builder wins for different use cases.
How we detect WordPress vs Joomla — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
| Category | CMS | CMS |
| AI Score | 20/100 — Traditional | 20/100 — Traditional |
| Detection Signals | 10 patterns | 7 patterns |
| Script Detection | 3 patterns | 2 patterns |
| CDN Detection | 1 domains | — |
| Header Detection | 2 headers | 1 headers |
| Sites Detected | 6,802 scans | 195 scans |
| Best For | Blogs & content-heavy sitesTry WordPress → | Blogs & content-heavy sitesTry Joomla → |
| Official Website | Visit | Visit |
CMS
WordPress is a cms with an AI Score of 20/100 (Traditional). Our detection engine uses 10 signal patterns to identify WordPress-built sites.
CMS
Joomla is a cms with an AI Score of 20/100 (Traditional). Our detection engine uses 7 signal patterns to identify Joomla-built sites.
WordPress is an open-source content management system powering everything from personal blogs to large-scale enterprise websites, making it the most widely deployed CMS on the web and a primary target for accurate fingerprinting. AIWebsiteDetector.com identifies WordPress installations using a layered set of technical signals, including 3 distinct script patterns, 2 HTML structural patterns, 2 HTTP response headers, 2 meta tag patterns, and 1 CDN domain reference — collectively providing high-confidence detection across both default and heavily customized deployments. These signals typically manifest as characteristic markup in page source, identifiable request headers returned by the server, and script references tied to WordPress core or its content delivery infrastructure. Because WordPress supports thousands of themes and plugins that can obscure surface-level indicators, the multi-signal approach ensures reliable identification even when administrators attempt to minimize the platform's visible footprint. WordPress itself is free and open-source, but hosting costs vary widely — from shared environments to managed WordPress hosting — meaning the same CMS signature can appear across dramatically different infrastructure setups, a nuance the detection engine accounts for when evaluating header and CDN patterns.
Joomla is an open-source content management system widely adopted by government agencies, educational institutions, and mid-sized organizations that require a flexible, extensible platform beyond basic blogging. AIWebsiteDetector.com identifies Joomla-powered sites through a layered set of technical signals, including 2 script patterns, 2 HTML patterns, 2 meta tag patterns, and 1 HTTP header, giving the detection engine multiple independent vectors to confirm a positive match. The HTML and meta tag patterns typically surface Joomla-specific generator tags and structural markup embedded during page rendering, while the script patterns correspond to core Joomla JavaScript assets loaded consistently across installations regardless of the active template. The HTTP header signal provides an additional layer of server-side confirmation, making it possible to detect Joomla even when front-end themes have been heavily customized or default markup has been partially obscured. Joomla is self-hosted and freely available under the GNU General Public License, meaning it can run on virtually any standard PHP and MySQL hosting stack — a deployment flexibility that contributes to its presence across a diverse range of site categories in the detection database. This architectural consistency across hosting environments is precisely what makes Joomla reliably detectable despite the wide variation in how individual sites are configured and styled.
Choose WordPress if…
Choose Joomla if…
Our Pick — Based on 6,997+ detections
Detected 35× more often than Joomla across our database of scanned sites.
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