What powers nsidc.org?
Last seen Jun 2026 · 34 technologies across 18 categories
Analytics
CDN
CMS
Comment systems
Documentation
Zendesk
since Aug 2022
Font scripts
Font Awesome
since Apr 2018
Google Font API
since Apr 2018
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
Operating systems
Ubuntu
since Apr 2018
Programming languages
PHP
since Jun 2018
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Nov 2020
UI frameworks
Web servers
Widgets
AddToAny
since Aug 2022
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| what is today | #39 | 7,000 |
| ice | #15 | 4,200 |
| snow today | #1 | 1,800 |
| ice | #65 | 1,700 |
| arctic ice | #1 | 1,600 |
| glaciers | #2 | 1,500 |
| rain snow mix | #3 | 1,400 |
| google sea | #57 | 1,400 |
| sea ice | #1 | 1,300 |
| how many days in a year | #7 | 1,300 |
| polar ice caps | #1 | 1,100 |
| arctic sea ice | #1 | 1,000 |
| smap | #3 | 790 |
| melting point | #77 | 770 |
| coldest place on earth | #6 | 750 |
| arctic | #9 | 740 |
| day | #17 | 710 |
| zero meridian | #10 | 680 |
| what is snow | #2 | 660 |
| cryosphere | #4 | 650 |
| what year is it | #16 | 650 |
| coldest spot on earth | #7 | 570 |
| what temp does it snow | #2 | 540 |
| arctic ocean map | #4 | 530 |
| latent heat of fusion | #4 | 530 |
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.
Audience
- 57% desktop
- 40% phone
- 3% tablet
Canada
Australia
Sweden
Finland
New Zealand
Norway
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.84 / 10 · ranked #10,109 of all domains
2,699 referring domains · OpenPageRank
Search traffic
108,500 est. monthly organic visits (US)
35,008 keywords in Google's top 30
Core Web Vitals
| LCP | 2.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.8 MB · 68 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| nsidc.org | 18 |
| eloka.nsidc.org | 14 |
| itslive-dashboard.labs.nsidc.org | 14 |
| www.nsidc.org | 10 |
| masie_web.apps.nsidc.org | 4 |
| noaadata.apps.nsidc.org | 2 |