What powers 
usicecenter.gov?
Last seen Sep 2026 · 14 technologies across 10 categories
Analytics
CDN
Font scripts
JavaScript libraries
Miscellaneous
Security
Tag managers
UI frameworks
Web frameworks
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| ice | #29 | 1,700 |
| lake erie ice cover | #4 | 220 |
| ims | #27 | 160 |
| great lakes ice | #3 | 65 |
| great lakes ice cover | #10 | 56 |
| lake erie ice | #4 | 47 |
| national snow and ice data center | #4 | 39 |
| national snow and ice | #4 | 39 |
| arctic shipping routes | #5 | 34 |
| current great lakes ice cover | #3 | 31 |
| national snow and ice center | #5 | 28 |
| a23a iceberg tracker | #2 | 28 |
| us national ice center | #1 | 27 |
| great lakes frozen | #4 | 26 |
| arctic sea ice chart | #3 | 25 |
| antarctic ice extent | #5 | 23 |
| a23a current location | #2 | 23 |
| ice map | #15 | 22 |
| naval ice center | #1 | 21 |
| arctic ice maps | #3 | 20 |
| snowandice | #9 | 20 |
| antarctica ice shelf | #7 | 20 |
| north america snow cover | #8 | 20 |
| polar ice map | #3 | 20 |
| lake erie ice cover map | #3 | 20 |
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
- 66% desktop
- 34% phone
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.32 / 10 · ranked #189,340 of all domains
148 referring domains · OpenPageRank
Search traffic
3,900 est. monthly organic visits (US)
878 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 2.5 MB · 52 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- U.S. National Ice Center
- Founded: 1995
- Country: United States
From Wikidata (CC0).
Infrastructure
- Registered Sep 2020 (6 years) via get.gov, renews Sep 2027
- Hosted on NOAA-NWAVE (140.90.54.38)
- DNS: noaa.gov
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Entrust, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 571,296, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- detected HSTS Apr 2026