What powers 
nasa.gov?
Last seen Sep 2026 · 320 technologies across 52 categories
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AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| nasa | #1 | 136,800 |
| nasa neil armstrong | #1 | 37,600 |
| ai | #10 | 31,000 |
| sls | #1 | 27,500 |
| international space station iss | #1 | 27,500 |
| international space center | #1 | 27,500 |
| sunita williams astronaut | #2 | 21,900 |
| suni williams astronaut | #2 | 21,900 |
| national space station | #1 | 20,600 |
| astronaut | #2 | 20,000 |
| icps | #3 | 19,600 |
| apollo 13 moon | #2 | 16,400 |
| apollo | #4 | 16,200 |
| apollo 13 | #3 | 16,100 |
| neil alden armstrong | #3 | 16,100 |
| nasa life on mars | #1 | 15,000 |
| captain jim lovell | #2 | 14,700 |
| challenger shuttle crash | #2 | 14,700 |
| challenger disaster | #2 | 14,700 |
| the iss | #2 | 14,700 |
| space shuttle challenger explosion | #2 | 14,700 |
| apollo 11 | #2 | 14,700 |
| international space shuttle | #2 | 14,700 |
| iss | #2 | 14,700 |
| what is ai | #2 | 13,400 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 86% phone
- 12% desktop
- 2% tablet
United States
United Kingdom
India
Germany
Russia
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
9.15 / 10 · ranked #154 of all domains
61,825 referring domains · OpenPageRank
Search traffic
2,715,500 est. monthly organic visits (US)
372,280 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 14.3 MB · 32 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
data.gov 8 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- NASA Office of Inspector General (National Aeronautics and Space Administration on Wikidata)
- Founded: 1958
- Industry: Government (declares
GovernmentOrganization) - Sector: public sector, space exploration
- Country: United States
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Registered Oct 1997 (28 years) via get.gov, renews Jul 2027
- Hosted on Automattic (WordPress.com) (192.0.66.108, IPv6)
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 701, 4,213 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| europa.nasa.gov | 30 |
| moon.nasa.gov | 30 |
| ciencia.nasa.gov | 29 |
| landsat.gsfc.nasa.gov | 29 |
| essp.nasa.gov | 27 |
| esto.nasa.gov | 27 |
| science.nasa.gov | 27 |
| sealevel.nasa.gov | 27 |
| trs.jpl.nasa.gov | 27 |
| er.jsc.nasa.gov | 26 |
| exoplanets.nasa.gov | 26 |
| www.nasa.gov | 26 |
| climate.nasa.gov | 25 |
| etd.gsfc.nasa.gov | 25 |
| homeandcity.nasa.gov | 25 |
| rps.nasa.gov | 25 |
| universe.nasa.gov | 25 |
| develop.larc.nasa.gov | 24 |
| mars.nasa.gov | 24 |
| mls.jpl.nasa.gov | 24 |
| robonaut.jsc.nasa.gov | 24 |
| robotics.nasa.gov | 24 |
| sealevel.jpl.nasa.gov | 24 |
| starport.jsc.nasa.gov | 24 |
Full technology history →
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