AI-generated visibility summary

AI visibility summary for CodePen

CodePen holds a leading position in AI visibility among online code editors, with an overall score of 50.1, significantly ahead of its closest competitor, JSFiddle (28.6). Its strongest performance is on ChatGPT, where it achieves an 80% mention rate and a 60% citation rate, contributing to a high engine score of 72.0. However, performance is weaker on Google Search, where its score drops to 36.8, indicating a gap in traditional search engine visibility. Despite leading, CodePen faces notable citation gaps; its own domain is cited only 44 times, while third-party platforms like Reddit (150 citations) and YouTube (48) dominate as sources. A practical implication is that CodePen’s AI presence is heavily reliant on ChatGPT, making it vulnerable to changes in that model’s behavior, and it should work to improve its citation rate across all engines to build a more resilient visibility profile.

Scan evidence for CodePen

Visibility score
50.1
Mention rate
56.0%
Citation rate
36.0%
Engines
5
Prompts
10

Strongest engines

EngineScoreMentionsCitations
ChatGPT 72.0 80.0% 60.0%
Google AI Overview 42.0 50.0% 30.0%
Perplexity 42.0 50.0% 30.0%
Bing Search 40.6 50.0% 30.0%
Google Search 36.8 50.0% 30.0%

Visibility gaps

EngineScoreMentionsCitations
Google Search 36.8 50.0% 30.0%
Bing Search 40.6 50.0% 30.0%
Perplexity 42.0 50.0% 30.0%
Google AI Overview 42.0 50.0% 30.0%
ChatGPT 72.0 80.0% 60.0%

Competitive landscape

  1. CodePen brand codepen.io Score 50.1
  2. JSFiddle jsfiddle.net Score 28.6
  3. StackBlitz stackblitz.com Score 20.2
  4. CodeSandbox codesandbox.io Score 19.6
  5. W3Schools w3schools.com Score 12.1
  6. Playcode playcode.io Score 10.7
  7. Replit replit.com Score 10.2
  8. Figma figma.com Score 9.8

Most cited domains

  1. reddit.com 150 citations · 9.9%
  2. youtube.com 48 citations · 3.2%
  3. codepen.io 44 citations · 2.9%
  4. stackblitz.com 43 citations · 2.8%
  5. wikipedia.org 42 citations · 2.8%
  6. arxiv.org 40 citations · 2.6%
  7. dev.to 26 citations · 1.7%
  8. medium.com 26 citations · 1.7%

Prompt highlights

PromptEnginesBrand mentionsBrand citations
best online code editor for front-end developers 5 5 4
how to share HTML CSS JavaScript code snippets online 5 4 3
alternatives to JSFiddle for collaborative coding 5 5 2
how to embed live code examples in blog posts 5 4 3
online editor with built-in asset hosting 5 4 3
online code playground with TypeScript and Sass support 5 3 2
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AI answers are a new discovery surface

Google said AI Overviews reached more than 1.5 billion monthly users in 2025, while ChatGPT was confirmed at more than 2.5 billion prompts per day.

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AI citations are not the same as SEO rankings

A 2026 measurement study found nearly 30% of Google AI Overview cited domains did not appear in the co-displayed first page of organic results.

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16
AI engines and search sources tracked
2.5B+
ChatGPT prompts per day, confirmed by OpenAI
1.5B+
Monthly Google AI Overview users reported in 2025
~30%
AI Overview cited domains absent from first-page organic results

Sources: OpenAI-confirmed ChatGPT usage, Google AI Overview reach, 2026 AI Overview citation study.

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