c2in1.com redirects to cortex21.com. This page describes the site that domain now serves; the primary profile lives at cortex21.com.
AI VISIBILITY SCOREAS OF 2026-09-20 · ENGAGEMII INDEX
5.1/ 10

#757,424 OF 2,695,901 IN TECHNOLOGY

SCORE HISTORY BEGINS 2026-09-20

SCORED BY THE SAME PIPELINE AS 54M+ COMPANIES · SIX ON-PAGE SIGNALS + OFF-PAGE AUTHORITYCHECK ANOTHER SITE →THE INDEX →

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AI Visibility Scorecard

CORTEX Biophysik GmbH

CORTEX Biophysik GmbH

Unclaimed

c2in1.com · Technology

Somewhat visible. AI bots can read CORTEX Biophysik GmbH, but it is missing the structured signals that push citation rate above competitors.

Monitoring for AI engine activity

In the Engagemii AEO index

#757,424 of 2,695,901 in Technology for AI visibility

5

AEO Visibility

i

Borderline · 5.1/10

40

Muse Index Score

i

AI agent readiness

Agent-ready · 40/100

0

AI Adoption

i

None detected · 0/100

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About CORTEX Biophysik GmbH

from our crawl and measurement

"Spiroergometrie, weltweit bewährt, von der Fitnessanwendung bis zur Trainerbank." That is how Cortex21 Performance of Leipzig introduces itself. Its AI visibility score is 5.1 out of 10: the engines can find it, but they do not have much to hold on to.

Our crawl found structured data on the page (Place, Organization, WebSite), an llms.txt file for AI models and a readable heading structure. It is missing a sitemap.

Industry · Technology
Last scored · Sep 20, 2026

The 6 signals AI reads

Higher is better · 0-10

Structured Data

6

Organization / LocalBusiness JSON-LD that AI can read.

Content Structure

8

Clear headings and answer-style content.

Entity Clarity

8

How clearly your brand identity reads to AI.

E-E-A-T Signals

Experience, Expertise, Authority, Trust

5

Experience, Expertise, Authority, Trust markers.

Technical AEO

10

robots.txt, llms.txt, and AI-bot crawl access.

AI Discoverability

9

Sitemaps and entity links AI can follow.

Off-page authority

How the web signals your brand to AI

Backlinks

1

Inbound links from other sites.

Domain Authority

0

Little domain authority yet.

Reference Presence

0

Not in AI knowledge graphs yet.

News & Press

0

No press coverage found yet.

Community

0

No community discussion yet.

Social Mentions

0

No social discussion found yet.

What this score means

Your AEO score measures whether AI search engines - ChatGPT, Claude, Perplexity, Gemini - can actually read your site and cite it in answers. Roughly two-thirds of sites are invisible to them. At 5.1/10, CORTEX Biophysik GmbH has a working base to build on - fixable, and the signals above are where to start.

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Picked for CORTEX Biophysik GmbH: How-To

How to Get Your Brand Cited by ChatGPT, Gemini, and Claude: The Complete AEO Guide

The search landscape has fundamentally shifted. While Google still dominates, millions of users now ask questions to ChatGPT, Gemini, and Claude instead of typing into a search bar.

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Source & Attribution

Scored by Engagemii on September 20, 2026. Methodology: engagemii.com/aeo/methodology

Source URL: https://engagemii.com/aeo/brands/c2in1

Cite this score: Engagemii (2026). "AEO Score for CORTEX Biophysik GmbH." Retrieved from https://engagemii.com/aeo/brands/c2in1

Licensed under CC BY 4.0. You may reuse this data with attribution: a visible link to engagemii.com.

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