Last updated: September 2026
Global rank: Worldwide · 2026-09
#394,882
AI visibility: Grade A+
94
SEO health: Latest audit
96
Visits
24.1K
per month, estimated
Keywords
1.3K
ranking in Google
Organic share
100%
24.1K organic visits
LLMS.txt
Published
157 lines AI engines can read
You're seeing the free preview of nnss.gov
nnss.gov Company Profile
The Nevada National Security Site (NNSS) stands as a cornerstone of U.S. national defense, managing one of the most critical facilities for nuclear security and research. Spanning over 1,360 square miles in the Nevada desert, it supports stockpile stewardship without underground testing, conducts experiments vital to certifying the reliability of America's nuclear weapons. NNSS teams up with the National Nuclear Secu…
Nevada National Security Site was founded in 1951, about 75 years ago, and is headquartered in North Las Vegas, United States. Its workforce is listed as between 1,001 and 5,000 employees. Its profile files it under Nuclear Security, with further tags for National Defense, Environmental Management and Scientific Research. Products on record for it: Stockpile Stewardship Program, Environmental Remediation Services and High-Hazard Training Facilities. Total funding on record is Government Funded. Its tagline reads: "Securing the nation's nuclear arsenal through cutting-edge science and stewardship".
- Sector
- Nuclear Security
- Headquarters
- North Las Vegas, United States
- Founded
- 1951
- Employees
- 1,001-5,000
- Revenue
- Not Disclosed
- Funding
- Government Funded
- Products
- Stockpile Stewardship Program, Environmental Remediation Services, High-Hazard Training Facilities
nnss.gov Web Traffic Statistics
Key findings
- Nevada National Security Site (Nuclear Security) is ranked #394,882 worldwide in our September 2026 domain ranking, down 25,638 places from #369,244 in August 2026.
- It is estimated to receive about 24,100 visits a month from search, 100% of it organic, across 1,339 ranking keywords.
- Its AI visibility score is 94 out of 100 (grade A+), with a published llms.txt of 157 lines.
- Its last technical audit scored 96/100, with "Add a Compelling Meta Description" the highest-priority fix.
| Month | Rank | Move |
|---|---|---|
| September 2026 | #394,882 | ▼ 25,638 |
| August 2026 | #369,244 | ▲ 29,061 |
| July 2026 | #398,305 | ▼ 33,831 |
| June 2026 | #364,474 | — |
| May 2026 | #364,474 | ▼ 35,782 |
| April 2026 | #328,692 | ▲ 23,040 |
| March 2026 | #351,732 | ▼ 3,775 |
| February 2026 | #347,957 | — |
What this company does
The Nevada National Security Site (NNSS) stands as a cornerstone of U.S. national defense, managing one of the most critical facilities for nuclear security and research. Spanning over 1,360 square miles in the Nevada desert, it supports stockpile stewardship without underground testing, conducts experiments vital to certifying the reliability of America's nuclear weapons. NNSS teams up with the National Nuclear Secu…
Our read on the site
The overall SEO health of nnss.gov is strong, with high performance and accessibility scores. However, there are critical areas for improvement, particularly in on-page SEO elements such as meta descriptions and image alt attributes, which could enhance search visibility and user experience.
nnss.gov Traffic and Visitor Engagement
nnss.gov draws an estimated 24,100 visits a month from search engines. Effectively all of it is organic — about 24,100 visits from unpaid results. Spread across 1,339 ranking keywords, that averages roughly 18 organic visits per keyword.
Monthly visits
24.1K
Latest estimate
Change
No monthly history yet
It starts building from the first scan
Organic visits
24.1K
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.
nnss.gov AI Visibility
On our AI visibility scale nnss.gov earns 94 of 100 points, a grade A+. It takes full marks for LLMS.txt, Crawlability and Structured data. The biggest gap is Company profile, at 22 of 25 points (7/8 core fields), worth 3 points if closed. It also loses points on 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
85/100
robots ✓ · sitemap ✓
Detected
Fix these first
- → Complete your company profile so AI answers about you stay accurate.
nnss.gov LLMS.txt
The llms.txt on nnss.gov runs to 157 lines (8,856 characters) across 12 sections, last generated in April 2026. It introduces the site as "Nevada National Security Site". It tells AI engines the business works in Nuclear Security, Environmental Stewardship, National Defense Research, Waste Management and Emergency Training. It describes 4 products, including Subcritical Testing Platforms, Radiological Training Simulators and Waste Isolation Systems. Services it lists include Stockpile Stewardship, Environmental Restoration, High-Hazard Operations Training and Nuclear Nonproliferation Support. The audience it names is Government, scientists, educators, aged All ages, focus on professionals and students (United States). Technologies it mentions include HTTPS, robots.txt, sitemap.xml, Government CMS and Secure Authentication. The keywords it claims start with "Nevada National Security Site", "NNSS", "nuclear security" and "nuclear testing". It gives the company type as Government.
Status
Published
AI engines can read it
Lines
157
In the file
Size
8.9K
Characters
Sections
12
Updated Apr 29, 2026
What the file says
# Nevada National Security Site ## About Deep in the Nevada desert, the Nevada National Security Site operates as a vital U.S. government facility dedicated to nuclear security and stewardship. They maintain the nation's nuclear stockpile through advanced testing without live detonations, using subcritical experiments and supercomputing. Environmental cleanup from decades of atomic tests remains a core focus, with innovative waste burial methods ensuring long-term safety. NNSS trains first responders for radiological emergencies and supports counterterrorism efforts. Community engagement includes school programs that spark interest in STEM via nuclear science demos. Their labs pioneer radiation sensors and materials under extreme conditions. Managed under the Department of Energy, they collaborate with labs like Los Alamos and Livermore. Safety culture defines daily ops, with rigorous protocols minimizing risks. Historical significance looms large—site of over 900 tests shaping Cold War history. Today, they adapt to modern threats like hypersonics and cyber-nuclear intersections. Outreach builds public understanding, countering misconceptions. Workforce expertise spans physicists to ecologists. Awards highlight excellence in security and restoration. Future work eyes fusion energy and advanced deterrence. NNSS proves science serves security profoundly. Partnerships amplify imp
Sections in the file
Areas of work
Keywords it claims
Technologies
Products it tells AI about
- Subcritical Testing PlatformsGovernment Contract
- Radiological Training SimulatorsContact for pricing
- Waste Isolation SystemsGovernment Funded
- Radiation Detection SensorsContact for pricing
Services it tells AI about
- Stockpile Stewardship
- Environmental Restoration
- High-Hazard Operations Training
- Nuclear Nonproliferation Support
- Community Science Education
Competitors it names
Audience it targets
Government, scientists, educators · All ages, focus on professionals and students · United States
Company type
Government
nnss.gov Organic Keywords
Google lists nnss.gov for about 1,339 keywords, which together bring an estimated 24,100 organic visits a month.
Ranking keywords
1.3K
Found in Google for this domain
Visits they bring
24.1K
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
nnss.gov SEO Audit
The latest technical audit of nnss.gov scored 96 out of 100 overall. SEO is its weakest area at 85, while accessibility scores highest at 100. The audit makes 12 recommendations in all, and 3 of the 4 listed first are rated high priority or critical.
Overall
Excellent
SEO
Performance
Excellent
Accessibility
Excellent
Fix these first
- CriticalAdd a Compelling Meta Description
- HighOptimize Image Alt Attributes
- MediumImplement llms.txt File
- HighConduct a Comprehensive Internal Link Audit
8 more recommendations, with the exact changes and the pages they apply to, are in the full report.
nnss.gov Competitors and Alternatives
Nevada National Security Site's company profile names https://www.energy.gov/nevada, https://www.nrc.gov, https://www.ans.org and https://www.nuclearenergyinsider.com as competitors. Its own llms.txt adds https://www.nuclearregulatorycommission.gov and https://www.nuclearpolicy.org. Outside its market, the domains ranked closest to it in our worldwide ranking are a9188.com, challenge.ma, objectci.com and zkevm-rpc.com.
nnss.gov 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.
nnss.gov 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 nnss.gov yet, so there are no link counts to show. Backlink Analytics builds the profile on its first run and it appears here after that.
—
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