Science and software from Switzerland
Fourmilab (fourmilab.ch) scores 67 out of 100 on Brand Analyzer, placing it in the Developing tier among Education brands, Technology brands, Other brands, in the 15th percentile of 20935 Education brands.
Fourmilab is an independent website that provides free scientific tools, educational resources, and software experiments covering topics such as astronomy, physics, and cryptography. It operates without commercial sponsorship, reflecting personal research and exploration by its creator. The site targets science enthusiasts, programmers, educators, and curious individuals seeking independent, non-commercial scientific content and simulations.
| Brand Name | Fourmilab |
|---|---|
| Domain | fourmilab.ch |
| Industry | Education, Technology |
| Main Competitors | Wolfram Alpha (92/100), Stellarium (74/100), Khan Academy (85/100), Project Gutenberg (81/100), arXiv (89/100) |
Moz Domain Authority 78/100 vs category average 48 / leader 99 - a strong backlink profile, so AI systems frequently encounter mentions of the brand.
Ranked #15,548 on the Tranco list of most-visited sites - strong traffic reinforces the brand's prominence to AI models.
Fourmilab has a dedicated Wikipedia entity - a top-weighted signal AI models rely on to identify and describe the brand.
The homepage meta description reads "To share independent scientific tools, educational resources, and software experiments freely with the world." (No meta description) - this is the summary AI engines are most likely to quote.
Structured data on the homepage: No structured data or Open Graph tags detected. Adding Organization and FAQ schema would further help AI crawlers parse the brand's identity.
AI-crawler access: robots.txt present, no AI bot restrictions - robots.txt controls whether engines like GPTBot and ClaudeBot can read the site at all.
Detected tech stack: Nginx.
Social footprint: verified profiles on Facebook, Instagram, YouTube, GitHub; no detected presence on X (Twitter), LinkedIn - consistent profiles reinforce the brand's identity across the web.
0 Reddit mentions - community discussion signals real-world reputation to AI models.
Live results from asking a general-purpose AI assistant about the brand, checked October 2026.
When asked "What is Fourmilab?", Claude could identify the brand as of October 2026. Fourmilab is the personal website of John Walker, co-founder of Autodesk, hosting a quirky and eclectic collection of science, astronomy, and educational tools and essays, including the famous 'Earth and Moon Viewer' and various calculators and simulations. Best known for The Earth and Moon Viewer and John Walker's eclectic science and software essays.
When asked "Best brands similar to Fourmilab?", Claude would recommend Fourmilab as of October 2026. It's a beloved, long-standing internet oddity with genuinely useful and educational science tools, worth mentioning for its historical and niche value.
Common questions people ask in Google, ChatGPT, Claude, Gemini, Perplexity, and other AI search engines.
Fourmilab's main competitors in Education: Wolfram Alpha (92/100), Stellarium (74/100), Khan Academy (85/100), Project Gutenberg (81/100), arXiv (89/100).
Sources: Brand Analyzer scan
Fourmilab has limited AI-search visibility, scoring 44/100 on Brand Analyzer's AI visibility composite (visibility 50, trust 27, recommendation 53). This estimates how likely AI engines like ChatGPT, Claude, Gemini and Perplexity are to know, trust, and recommend the brand.
Sources: Fourmilab official site
Fourmilab offers scientific utilities, educational simulations, and software experiments covering topics such as astronomy, physics, and cryptography, all provided free of charge.
Sources: Fourmilab official site
Fourmilab scores 53/100 on Brand Analyzer's AI recommendation signal, indicating it is reasonably likely to be surfaced when AI assistants like ChatGPT suggest Education options. Recommendation depends on crawlability, structured data, and category authority; a Wikipedia presence helps.
Sources: Fourmilab official site
Fourmilab is an independent, non-commercial website that offers scientific tools, educational resources, and software experiments. It was created to share original scientific utilities, essays, and simulations freely with the public, without commercial influence.
Sources: Fourmilab official site
Fourmilab provides free access to a variety of scientific and educational tools, including simulations, essays, and software experiments related to astronomy, physics, and cryptography. It serves as a platform for independent research and knowledge-sharing rather than a commercial product provider.
Sources: Fourmilab official site
Fourmilab can improve AI discoverability by strengthening structured data (Organization and FAQ schema), maintaining an accurate Wikipedia/Wikidata entity, earning authoritative citations, and keeping content crawlable for AI bots. Brand Analyzer measures these as visibility, trust, and recommendation signals.
Sources: Fourmilab official site
Fourmilab is used by science enthusiasts, programmers, educators, and generally curious individuals interested in topics like astronomy, physics, cryptography, and independent research.
Sources: Fourmilab official site
Fourmilab is known for offering a unique, independently developed collection of scientific utilities and educational simulations covering fields like astronomy, physics, and cryptography, created without commercial backing.
Sources: Fourmilab official site
Fourmilab scores 44/100 for AI visibility - how well ChatGPT, Claude, Perplexity and Google AI Overviews can discover, identify and cite the brand.
Fourmilab has a limited AI-visibility profile at 44/100 - a proxy for how readily ChatGPT, Perplexity and Google's AI Overviews can recognise and cite it. Its strongest area is recommendation likelihood (53/100) and its weakest is trust (27/100). It benefits from a recognised Wikipedia company entity, a global traffic rank of #15,548 (Tranco) and a Moz Domain Authority of 78/100. The main gaps holding it back: no strong Wikidata entry, thin schema.org structured data and no llms.txt to steer AI to its best pages. In a live check, Claude could already identify Fourmilab from memory (October 2026) - a sign these signals are paying off.
The score combines seven dimensions - name quality, digital presence, visual identity, messaging clarity, trust foundation, AI discoverability, and brand authority - into a single objective benchmark.
Ranked closest to Fourmilab: The Foote School (67/100), Focolare Movement (67/100), Fraser Institute (67/100), FroKnowsPhoto (67/100).
A step up - brands to learn from: 作业帮 (Zuoyebang) (71/100), Zentralwohlfahrtsstelle der Juden in Deutschland e.V. (71/100).
Category leader: Canva (97/100).
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