
WordPress
CMS
Contentful
CMSWordPress and Contentful are both popular choices, but they serve different needs. WordPress is a CMS with a traditional, manual approach to building, while Contentful 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 Contentful — 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 | 2 domains |
| Header Detection | 2 headers | — |
| Sites Detected | 6,859 scans | 560 scans |
| Best For | Blogs & content-heavy sitesTry WordPress → | Blogs & content-heavy sitesTry Contentful → |
| 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
Contentful is a cms with an AI Score of 20/100 (Traditional). Our detection engine uses 7 signal patterns to identify Contentful-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.
Contentful is a headless content management system designed for developers, digital teams, and enterprise organizations that need to deliver structured content across multiple platforms and channels from a single API-driven backend. Sites built on Contentful are identified through a combination of technical signals, including two distinct script patterns embedded in page source, two CDN domain references used to serve Contentful-hosted assets, two HTML attribute patterns characteristic of its content delivery markup, and one meta tag pattern tied to its platform fingerprint. These signals collectively allow AIWebsiteDetector.com's detection engine to identify Contentful-powered sites with strong confidence, whether the frontend is built in React, Next.js, Gatsby, or any other framework consuming the Contentful API. Because Contentful operates as a headless CMS, the visible frontend can vary dramatically between implementations, making the underlying script and CDN references the most reliable and consistent detection vectors. Contentful offers a free tier for small projects alongside paid plans that scale to enterprise usage, and its consistent use of dedicated CDN infrastructure — rather than self-hosted assets — makes it distinctively traceable even when the frontend design gives no obvious visual indication of the platform beneath.
/wp-content\/uploads/i while Contentful uses /images\.ctfassets\.net/i — making CDN domain analysis one of the most reliable ways to distinguish them.Choose WordPress if…
Choose Contentful if…
Our Pick — Based on 7,419+ detections
Detected 12× more often than Contentful across our database of scanned sites.
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