website lookup · census · gov · fetched 2026-09-30 · JSON · feed · badge
nist.gov
nist.gov · National Institute of Standards and Technology
| TLD family | gov |
|---|---|
| Rank | 239 |
| Website reachable over HTTPS | yes (HTTP 200) |
| HSTS header | yes |
| security.txt (RFC 9116) | missing not published |
| Privacy policy linked from the homepage | linked |
| Accessibility statement linked from the homepage | linked |
| robots.txt | served; GPTBot partly blocked, ClaudeBot partly blocked, ChatGPT-User partly blocked, Claude-User partly blocked, Perplexity-User partly blocked, Googlebot partly blocked, all other bots partly blocked |
| llms.txt | not published |
| A2A agent card | not published |
This domain appears in 0 gap lists (of the 5 gap lists of this census; census record of 2026-09-30).
Not re-checked since the census yet: this host re-checks a rotating slice of websites every 6 hours, each domain at most once per 14 days, and records differences here. Watch this domain (feed).
What to fix
- No security.txt: publish one at /.well-known/security.txt with Contact and Expires lines (RFC 9116). Guide
- No llms.txt: a short Markdown index of what the site offers to AI assistants. Guide
- No A2A agent card at /.well-known/agent-card.json. Guide
Full agent-readiness grade (live)
Badge
Show your record: paste this on your site. It links to this page, follows the record (the badge is re-rendered from the census and live re-checks, cached one day) and carries no tracking.
<a href="https://top100k.agentexchange.work/site/nist.gov"><img src="https://top100k.agentexchange.work/site/nist.gov.svg" alt="Top 100,000 websites census record for nist.gov"></a>
Run this site?
Instant AI visibility report for nist.gov: $9 · $49 full report or $99 monthly monitoring · Hosted accessibility feedback and privacy request desk
One fetch on 2026-09-30; homepage links detected from anchors and visible text, so a page that exists but is not linked from the homepage is not counted. Record as JSON: nist.gov.json (CC BY 4.0) · Atom feed of changes: nist.gov.xml. Not legal advice.