ButterCMS
CMS
Notion Sites
CMSButterCMS vs Notion Sites (2026): Which Is Better?
ButterCMS and Notion Sites are both popular choices, but they serve different needs. ButterCMS is a CMS with a traditional, manual approach to building, while Notion Sites 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 ButterCMS vs Notion Sites — see our methodology: AI Influence Score calculation, evidence tiers, and fingerprint signal types.
Side-by-Side Comparison
| | |
|---|---|---|
| Category | CMS | CMS |
| AI Score | 20/100 — Traditional | 20/100 — Traditional |
| Detection Signals | 2 patterns | 5 patterns |
| Script Detection | 1 patterns | 2 patterns |
| CDN Detection | — | — |
| Header Detection | — | — |
| Sites Detected | No data yet | 9 scans |
| Best For | Blogs & content-heavy sites | Blogs & content-heavy sitesTry Notion Sites → |
| Official Website | — | Visit |
Example Websites
ButterCMS
CMS
ButterCMS is a cms with an AI Score of 20/100 (Traditional). Our detection engine uses 2 signal patterns to identify ButterCMS-built sites.
Notion Sites
CMS
Notion Sites is a cms with an AI Score of 20/100 (Traditional). Our detection engine uses 5 signal patterns to identify Notion Sites-built sites.
Platform Overviews
ButterCMS
ButterCMS is a headless, API-first content management system designed for developers and marketing teams who need a flexible backend for managing structured content across web applications, blogs, and marketing pages without being locked into a monolithic CMS architecture. The platform is commonly adopted by SaaS companies, agencies, and product teams building React, Vue, Next.js, or similar front-end stacks that consume content via REST or GraphQL APIs. AIWebsiteDetector's engine identifies ButterCMS-powered sites using a combination of one distinct script pattern and one HTML pattern embedded in the rendered page markup — typically referencing ButterCMS-specific initialization code or content delivery signatures injected at build or runtime. These signals are reliable because ButterCMS content is fetched client-side or server-side rendered in predictable ways that leave consistent fingerprints in the DOM, giving our detection engine a high-confidence identification path even when the CMS is otherwise invisible to casual inspection. ButterCMS operates as a fully hosted SaaS platform with tiered pricing, meaning there is no self-hosted variant to account for, which simplifies detection since all API traffic and asset references trace back to Butter's managed infrastructure.
Notion Sites
Notion Sites is a website publishing platform built on top of Notion's document and database infrastructure, commonly used by indie makers, startups, and teams who want to publish portfolios, landing pages, documentation, or wikis directly from their Notion workspaces without managing traditional hosting. The platform leaves a distinct technical footprint that AIWebsiteDetector.com's detection engine identifies through a combination of 2 script patterns, 2 HTML patterns, and 1 meta tag pattern embedded in the rendered page source. Detection signals typically include references to Notion's core JavaScript assets served from Notion's own CDN infrastructure, along with characteristic HTML attributes and meta tag signatures that persist across pages built on the platform. These layered signals allow the detector to distinguish native Notion Sites deployments from third-party tools like Super or Potion that merely style Notion content, improving confidence accuracy across varied site configurations. Notion Sites is hosted entirely on Notion's infrastructure under the notion.site domain or custom domains, making it one of the more structurally consistent CMS targets to fingerprint — the absence of self-hosting means the underlying markup patterns remain largely uniform across the ecosystem.
Key Differences
- Both ButterCMS and Notion Sites are classified as CMS tools, making them the most direct competitors in this comparison.
- ButterCMS scores higher on AI involvement (20/100 vs 20/100 for Notion Sites), meaning it relies more heavily on AI for site generation and content creation.
- Our detection engine identifies ButterCMS using 2 fingerprint patterns and Notion Sites using 5 patterns — more signals generally means more reliable detection.
Which Should You Choose?
Choose ButterCMS if…
- You prefer a cms solution
- You want more manual control over the final output
- ButterCMS's detection fingerprint of 2 signals means your site is reliably identifiable
Choose Notion Sites if…
- You need a cms approach
- You prefer traditional building tools with predictable output
- Notion Sites's ecosystem and community better match your team's existing workflow
Our Pick — Based on 9+ detections
Notion Sites
The most frequently detected cms in our scan database.
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