Last updated: September 2026
Global rank: Worldwide · 2026-09
#4,233,182
AI visibility: Grade A
89
SEO health: Latest audit
85
Visits
361
per month, estimated
Keywords
74
ranking in Google
Organic share
100%
361 organic visits
LLMS.txt
Published
166 lines AI engines can read
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prismmodelchecker.org Web Traffic Statistics
Key findings
- PRISM Model Checker (Software & Internet) is ranked #4,233,182 worldwide in our September 2026 domain ranking, down 1,327,477 places from #2,905,705 in August 2026.
- It is estimated to receive about 361 visits a month from search, 100% of it organic, across 74 ranking keywords.
- Its AI visibility score is 89 out of 100 (grade A), with a published llms.txt of 166 lines.
- Its last technical audit scored 85/100, with "Add Meta Description" the highest-priority fix.
| Month | Rank | Move |
|---|---|---|
| September 2026 | #4,233,182 | ▼ 1,327,477 |
| August 2026 | #2,905,705 | ▲ 868,554 |
| May 2026 | #3,774,259 | ▼ 756,005 |
| April 2026 | #3,018,254 | — |
What this company does
PRISM is an open-source probabilistic model checker developed primarily at the University of Oxford, designed for verifying properties of systems that exhibit probabilistic, nondeterministic, or concurrent behaviors. Researchers and engineers use it to analyze complex models like communication protocols, security systems, and biological processes, ensuring reliability under uncertainty. The tool supports a range of f…
Our read on the site
The SEO health of prismmodelchecker.org is moderately strong, with a high performance score but significant gaps in on-page optimization and accessibility. Key areas for improvement include the lack of meta descriptions, H1 tags, and a viewport meta tag, which could enhance user experience and search visibility.
prismmodelchecker.org Traffic and Visitor Engagement
Search engines send prismmodelchecker.org an estimated 361 visits a month. Effectively all of it is organic — about 361 visits from unpaid results. Spread across 74 ranking keywords, that averages roughly 4.9 organic visits per keyword.
Monthly visits
361
Latest estimate
Change
No monthly history yet
It starts building from the first scan
Organic visits
361
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.
prismmodelchecker.org AI Visibility
prismmodelchecker.org scores 89 out of 100 on our AI visibility scale, grade A. It takes full marks for LLMS.txt and Structured data. The biggest gap is Crawlability, at 5 of 10 points (robots ✓ · sitemap ✗), worth 5 points if closed. It also loses points on Company profile (22/25) and SEO health (17/20).
Grade A
Scored from this domain's own data — llms.txt, profile completeness, technical health, crawlability and structured data.
Present
7/8 core fields
83/100
robots ✓ · sitemap ✗
Detected
Fix these first
- → Complete your company profile so AI answers about you stay accurate.
- → Add sitemap.xml so AI crawlers can read you.
prismmodelchecker.org LLMS.txt
The llms.txt on prismmodelchecker.org runs to 166 lines (10,000 characters) across 12 sections, last generated in May 2026. It introduces the site as "PRISM - Probabilistic Symbolic Model Checker". It tells AI engines the business works in Formal Methods, Software Verification, Hardware Verification and Probabilistic Systems. It describes 5 products, with prices such as PRISM Core Engine at Free / Open Source, PRISM GUI at Free / Open Source and PRISM Eclipse Plugin at Free / Open Source. Services it lists include PRISM Workshops, Custom Model Development, Verification Consulting and Benchmark Analysis. The audience it names is Computer Science Researchers, Formal Methods Engineers, Systems Verifiers, aged 25-55 (Global). Technologies it mentions include C++, Java, MTBDD, Eclipse RCP and HTTPS. The keywords it claims start with "PRISM", "Probabilistic Model Checking", "Model Checker" and "Formal Verification". It gives the company type as Academic Project.
Status
Published
AI engines can read it
Lines
166
In the file
Size
10.0K
Characters
Sections
12
Updated May 13, 2026
What the file says
# PRISM - Probabilistic Symbolic Model Checker ## About PRISM stands as the leading open-source tool for probabilistic model checking, originating from the University of Oxford's formal methods group. It enables precise analysis of systems involving probability, nondeterminism, and concurrency across domains like networks, biology, and security. Engineers model their systems using intuitive languages then verify properties from simple reachability to complex quantitative measures like expected costs or rewards. The project's symbolic engine handles massive state spaces that exhaust memory-based approaches, making industrial-scale verification feasible on standard hardware. Active since 2002, PRISM boasts extensive case studies, from wireless sensor networks to genetic circuits, proving its versatility. Community extensions and the GitHub repo keep it evolving with user needs. Benchmarks show PRISM outperforming rivals in probabilistic scenarios while matching them in classical verification. Documentation includes tutorials progressing from beginner models to advanced techniques like parameterized verification. Workshops and papers disseminate best practices to thousands annually. Free access democratizes cutting-edge verification, leveling the playing field for global researchers. Integration capabilities allow embedding in larger workflows, from IDEs to cloud verification ser
Sections in the file
Areas of work
Keywords it claims
Technologies
Products it tells AI about
- PRISM Core EngineFree / Open Source
- PRISM GUIFree / Open Source
- PRISM Eclipse PluginFree / Open Source
- PRISM BenchmarksFree / Open Source
- PRISM CloudContact for pricing
Services it tells AI about
- PRISM WorkshopsContact for pricing
- Custom Model DevelopmentContact for pricing
- Verification ConsultingContact for pricing
- Benchmark AnalysisContact for pricing
- Integration SupportContact for pricing
Competitors it names
Audience it targets
Computer Science Researchers, Formal Methods Engineers, Systems Verifiers · 25-55 · Global
Company type
Academic Project
prismmodelchecker.org Organic Keywords
Google lists prismmodelchecker.org for about 74 keywords, which together bring an estimated 361 organic visits a month.
Ranking keywords
74
Found in Google for this domain
Visits they bring
361
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
prismmodelchecker.org SEO Audit
The latest technical audit of prismmodelchecker.org scored 85 out of 100 overall. Accessibility is its weakest area at 67, while performance scores highest at 97. The audit makes 12 recommendations in all, and 4 of the 4 listed first are rated high priority or critical.
Overall
SEO
Performance
Excellent
Accessibility
Fix these first
- CriticalAdd Meta Description
- CriticalImplement H1 Tags
- HighAdd Viewport Meta Tag
- HighCreate Sitemap.xml
8 more recommendations, with the exact changes and the pages they apply to, are in the full report.
prismmodelchecker.org Competitors and Alternatives
PRISM Model Checker's company profile names https://modelchecker.org, https://uppaal.org, https://spinroot.com and https://cadp.inria.fr as competitors. Its own llms.txt adds https://nuprl.org and https://tla.msr-inria.inria.fr. Outside its market, the domains ranked closest to it in our worldwide ranking are biosensinginstrument.com, sykaaa-casino-gokz3.top, upbreeze.com and 1xcasino-kasino-fun2.top.
prismmodelchecker.org Company Profile
PRISM is an open-source probabilistic model checker developed primarily at the University of Oxford, designed for verifying properties of systems that exhibit probabilistic, nondeterministic, or concurrent behaviors. Researchers and engineers use it to analyze complex models like communication protocols, security systems, and biological processes, ensuring reliability under uncertainty. The tool supports a range of f…
Founded in 2002 (about 24 years ago), PRISM Model Checker is based in Oxford, United Kingdom. Its workforce is listed as between 11 and 50 employees. Its profile files it under Software & Internet, with further tags for Research, Science & Deep Tech; Formal Verification; and Model Checking. Products on record for it: PRISM Model Checker, PRISM Benchmarks, PRISM Eclipse Plugin and PRISM GUI. Its tagline reads: "Probabilistic Symbolic Model Checker".
- Sector
- Software & Internet
- Headquarters
- Oxford, United Kingdom
- Founded
- 2002
- Employees
- 11-50
- Revenue
- Not Disclosed
- Funding
- Not Disclosed
- Products
- PRISM Model Checker, PRISM Benchmarks, PRISM Eclipse Plugin, PRISM GUI
prismmodelchecker.org Traffic by Country
Which markets this brand actually serves, and where the web links to it from.
Top customer markets
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Where its backlinks come from
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prismmodelchecker.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 prismmodelchecker.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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