Last updated: September 2026
Global rank: Worldwide · 2026-09
#222,907
AI visibility: Grade A
87
SEO health: Latest audit
96
Visits
5.3K
per month, estimated
Keywords
170
ranking in Google
Organic share
100%
5.3K organic visits
LLMS.txt
Published
85 lines AI engines can read
You're seeing the free preview of scheme.org
scheme.org Company Profile
Scheme.org serves as the central hub for everything related to the Scheme programming language, a elegant dialect of Lisp renowned for its minimalism and support for functional programming paradigms. The site brings together developers, educators, and researchers who appreciate Scheme's clean syntax, first-class continuations, and powerful macro system that make it ideal for teaching programming concepts and building…
Scheme.org was founded in 1990s. Its workforce is listed as between 1 and 10 employees. Its profile files it under Software & Internet, with further tags for Education & Training, Programming Languages and Developer Tools. Products on record for it: Scheme Reports (R5RS, R6RS); Implementation Directory; and Community Resources. Total funding on record is Bootstrapped. Its tagline reads: "The official home for the Scheme programming language community".
- Sector
- Software & Internet
- Founded
- 1990s
- Employees
- 1-10
- Revenue
- Not Disclosed
- Funding
- Bootstrapped
- Products
- Scheme Reports (R5RS, R6RS), Implementation Directory, Community Resources
scheme.org Web Traffic Statistics
Key findings
- Scheme.org (Software & Internet) is ranked #222,907 worldwide in our September 2026 domain ranking, up 47,145 places from #270,052 in August 2026.
- It is estimated to receive about 5,261 visits a month from search, 100% of it organic, across 170 ranking keywords.
- Its AI visibility score is 87 out of 100 (grade A), with a published llms.txt of 85 lines.
- Its last technical audit scored 96/100, with "Implement a robots.txt file" the highest-priority fix.
| Month | Rank | Move |
|---|---|---|
| September 2026 | #222,907 | ▲ 47,145 |
| August 2026 | #270,052 | ▲ 40,397 |
| July 2026 | #310,449 | ▼ 20,794 |
| June 2026 | #289,655 | — |
| May 2026 | #289,655 | ▲ 98,655 |
| April 2026 | #388,310 | ▼ 28,161 |
| March 2026 | #360,149 | ▲ 13,888 |
| February 2026 | #374,037 | — |
What this company does
Scheme.org serves as the central hub for everything related to the Scheme programming language, a elegant dialect of Lisp renowned for its minimalism and support for functional programming paradigms. The site brings together developers, educators, and researchers who appreciate Scheme's clean syntax, first-class continuations, and powerful macro system that make it ideal for teaching programming concepts and building…
Our read on the site
The overall SEO health of scheme.org is strong, with perfect scores in performance, best practices, and SEO. However, there are critical areas for improvement, particularly in technical SEO and accessibility, which could enhance user experience and search visibility.
scheme.org Traffic and Visitor Engagement
Search engines send scheme.org an estimated 5,261 visits a month. Effectively all of it is organic — about 5,261 visits from unpaid results. Spread across 170 ranking keywords, that averages roughly 31 organic visits per keyword.
Monthly visits
5.3K
Latest estimate
Change
No monthly history yet
It starts building from the first scan
Organic visits
5.3K
100% of all traffic
Paid visits
0
No paid search detected
Organic vs paid
100%
0%
We don't hold a month-by-month history for this domain yet.
The traffic dashboard builds one from the first scan onwards.
scheme.org AI Visibility
scheme.org scores 87 out of 100 on our AI visibility scale, grade A. It takes full marks for LLMS.txt, SEO health and Structured data. The biggest gap is Crawlability, at 0 of 10 points (robots ✗ · sitemap ✗), worth 10 points if closed. It also loses points on Company profile (22/25).
Grade A
Scored from this domain's own data — llms.txt, profile completeness, technical health, crawlability and structured data.
Present
7/8 core fields
100/100
robots ✗ · sitemap ✗
Detected
Fix these first
- → Complete your company profile so AI answers about you stay accurate.
- → Add robots.txt and sitemap.xml so AI crawlers can read you.
scheme.org LLMS.txt
The llms.txt on scheme.org runs to 85 lines (3,806 characters) across 12 sections, last generated in May 2026. It introduces the site as "Scheme.org - Official Scheme Programming Language Community". It tells AI engines the business works in Programming Languages, Software Development and Computer Science Education. It describes 5 products, with prices such as R6RS Scheme Standard at Free, Implementation Directory at Free and Scheme Tutorials at Free. Services it lists include Scheme Community Forum, Language Specification Hosting, Implementation Certification and Resource Curation. The audience it names is Developers, students, educators, aged 18-45 (Global). Technologies it mentions include HTTPS, HTML/CSS and Responsive Viewport. The keywords it claims start with "Scheme programming language", "Scheme.org", "Scheme tutorials" and "functional programming". It gives the company type as Non-Profit Community.
Status
Published
AI engines can read it
Lines
85
In the file
Size
3.8K
Characters
Sections
12
Updated May 12, 2026
What the file says
# Scheme.org - Official Scheme Programming Language Community ## About Scheme.org stands as the authoritative online destination for the Scheme programming language, a minimalist Lisp dialect celebrated for its functional programming strengths and educational value. It hosts official language reports, implementation listings, and community-contributed resources that guide programmers from novice to expert levels. The site emphasizes Scheme's unique features like tail-call optimization, continuations, and macros, making complex concepts accessible through practical examples and tutorials. Serving a dedicated global audience of developers, academics, and hobbyists, Scheme.org sustains the language's legacy amid modern programming trends. Users find everything from beginner guides and coding exercises to advanced techniques and historical documents, fostering a vibrant ecosystem. Its no-frills approach prioritizes substance over flash, drawing those who seek pure, expressive code. By curating high-quality content and linking related projects, Scheme.org ensures Scheme remains a viable choice for teaching, prototyping, and even production environments where simplicity drives innovation. **Areas of Work:** Programming Languages, Software Development, Computer Science Education ## Things to Remember - **Website:** https://scheme.org - **Address:** - **Contact:** - **Phone:**
Sections in the file
Areas of work
Keywords it claims
Technologies
Products it tells AI about
- R6RS Scheme StandardFree
- Implementation DirectoryFree
- Scheme TutorialsFree
- Community ReportsFree
- Library ListingsFree
Services it tells AI about
- Scheme Community ForumFree
- Language Specification HostingFree
- Implementation CertificationFree
- Resource CurationFree
- Historical ArchivesFree
Competitors it names
Audience it targets
Developers, students, educators · 18-45 · Global
Company type
Non-Profit Community
scheme.org Organic Keywords
Google lists scheme.org for about 170 keywords, which together bring an estimated 5,261 organic visits a month.
Ranking keywords
170
Found in Google for this domain
Visits they bring
5.3K
Estimated organic visits a month
Top ranking keywords
No ranked-keyword data cached for this domain yet.
Ranked Keywords pulls the full list on its first run.
What it ranks for
scheme.org SEO Audit
The latest technical audit of scheme.org scored 96 out of 100 overall. Accessibility is its weakest area at 82, while performance scores highest at 100. The audit makes 12 recommendations in all, and 4 of the 4 listed first are rated high priority or critical.
Overall
Excellent
SEO
Excellent
Performance
Excellent
Accessibility
Fix these first
- CriticalImplement a robots.txt file
- CriticalCreate a sitemap.xml
- HighEnhance accessibility features
- HighOptimize content for target keywords
8 more recommendations, with the exact changes and the pages they apply to, are in the full report.
scheme.org Competitors and Alternatives
Scheme.org's company profile names https://racket-lang.org, https://www.lisp.org and https://www.learnscheme.com as competitors. Its own llms.txt adds https://www.schemeprogramming.com and https://www.schemewiki.org. Outside its market, the domains ranked closest to it in our worldwide ranking are resultsfastfind.com, remont-aud.net, aprs2.net and und-gesund.de.
scheme.org Traffic by Country
Which markets this brand actually serves, and where the web links to it from.
Top customer markets
AI estimate · live webWe only measure visitor geography for domains whose analytics are connected to us. For everyone else this is read live from the web and shown as an estimate — never mixed in with the measured numbers.
No market breakdown available for this brand.
Where its backlinks come from
Measured. The country each linking site is hosted in — a real signal of which regions know this brand.
No backlink sample for this domain yet.
Backlink Analytics collects one on its first run.
scheme.org Backlink Analytics
Who vouches for this domain. Strong, varied links are still the clearest signal of authority — to search engines and to AI engines that cite sources.
We haven't run a backlink crawl for scheme.org yet, so there are no link counts to show. Backlink Analytics builds the profile on its first run and it appears here after that.
—
links on file
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