AI VISIBILITY SCOREAS OF 2026-09-24 · ENGAGEMII INDEX
3.6/ 10

#641,723 OF 825,420 IN NONPROFITS

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

fossdef.org

fossdef.org

Unclaimed

fossdef.org · Nonprofits

Borderline visible. AI bots can crawl fossdef.org, but the structured-data signals are thin - you are at real risk of being skipped when buyers ask ChatGPT, Claude, or Perplexity for a recommendation.

Monitoring for AI engine activity

In the Engagemii AEO index

#641,723 of 825,420 in Nonprofits for AI visibility

4

AEO Visibility

i

Near-invisible · 3.6/10

0

Muse Index Score

i

AI agent readiness

Not agent-ready · 0/100

0

AI Adoption

i

None detected · 0/100

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About fossdef.org

from our crawl and measurement

Free & Open Source Defense Fund is a business whose own site puts it this way: "Free & Open Source Defense FundOpen Letter to the Open Source Software IndustrySince the release of PGP in the early 1990s, code has been treated as protected speech by the 1st Amendment of." When AI engines look at it, they find little to work with. It scores 3.6 out of 10.

Our crawl found a readable heading structure. It is missing structured data describing the business, an llms.txt file and a sitemap.

Industry · Nonprofits
Last scored · Sep 24, 2026

The 6 signals AI reads

Strong · Good · Fair · Weak

Structured Data

Weak

Organization / LocalBusiness JSON-LD that AI can read.

Content Structure

Strong

Clear headings and answer-style content.

Entity Clarity

Weak

How clearly your brand identity reads to AI.

E-E-A-T Signals

Experience, Expertise, Authority, Trust

Weak

Experience, Expertise, Authority, Trust markers.

Technical AEO

Fair

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

AI Discoverability

Good

Sitemaps and entity links AI can follow.

Off-page authority

How the web signals your brand to AI

Backlinks

Weak

No inbound links found yet.

Domain Authority

Weak

Little domain authority yet.

Reference Presence

Weak

Not in AI knowledge graphs yet.

News & Press

Weak

No press coverage found yet.

Community

Weak

No community discussion yet.

Social Mentions

Weak

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 3.6/10, fossdef.org is crawlable but under-signaled - fixable, and the signals above are where to start.

Frequently Asked Questions

What should I do?

Ensure this letter reaches far and wide. All open source developers need to raise the concerns of the risk they now suddenly bear.Make the defendants whole. We have already given great personal sacrifice, both in time and money, to make it this far. With support, we can win the case and avoid a damaging precedent that would put open source software developers on the hook. Please see donation information here.

How can I donate?

We are no longer taking donations. Thank you to everyone that donated. Your support made a difference.

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Picked for fossdef.org: 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 24, 2026. Methodology: engagemii.com/aeo/methodology

Source URL: https://engagemii.com/aeo/brands/fossdef-org

Cite this score: Engagemii (2026). "AEO Score for fossdef.org." Retrieved from https://engagemii.com/aeo/brands/fossdef-org

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

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