What powers nrao.edu?
Last seen Jun 2026 · 81 technologies across 27 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| sag a | #39 | 100 |
| radio sun | #5 | 47 |
| mercury ice | #2 | 28 |
| microquasars | #2 | 28 |
| hand of the desert | #5 | 28 |
| einstein ring | #11 | 26 |
| how to cut and paste with keyboard | #48 | 19 |
| gravity speed | #5 | 17 |
| what is the speed of gravity | #9 | 13 |
| hand in atacama desert | #5 | 10 |
| hand atacama desert | #5 | 10 |
| how to cut and paste on pc | #45 | 9 |
| pulsar diagram | #2 | 8 |
| does mercury have ice | #3 | 7 |
| universities space research association | #35 | 5 |
| speed of milky way rotation | #3 | 5 |
| nrao directory | #2 | 5 |
| is there water or ice on mercury | #2 | 5 |
| cut and paste controls | #20 | 5 |
| cygnus a | #15 | 5 |
| rotation of the milky way | #5 | 4 |
| hand statue atacama desert | #6 | 4 |
| how fast does the milky way spin | #6 | 4 |
| crab pulsar | #40 | 3 |
| water on planet mercury | #6 | 3 |
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
- 61% desktop
- 38% phone
- 1% tablet
New Zealand
United States
India
Germany
United Kingdom
Brazil
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.69 / 10 · ranked #13,476 of all domains
1,791 referring domains · OpenPageRank
Search traffic
510 est. monthly organic visits (US)
515 keywords in Google's top 30
Core Web Vitals
| LCP | 2.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.4 MB · 13 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| public.nrao.edu | 38 |
| www.nrao.edu | 32 |
| astrocloud.nrao.edu | 20 |
| ngvla.nrao.edu | 17 |
| science.nrao.edu | 17 |
| www.gb.nrao.edu | 17 |
| almascience.nrao.edu | 16 |
| help.nrao.edu | 15 |
| casaguides.nrao.edu | 11 |
| info.nrao.edu | 11 |
| www.vlba.nrao.edu | 10 |
| evlaguides.nrao.edu | 9 |
| casa.nrao.edu | 8 |
| cvdag.ad.nrao.edu | 7 |
| offline.nrao.edu | 7 |
| naic.nrao.edu | 6 |
| data.nrao.edu | 5 |
| library.nrao.edu | 5 |
| safe.nrao.edu | 5 |
| www.aips.nrao.edu | 4 |
| www.vla.nrao.edu | 4 |
| www.cv.nrao.edu | 2 |
| www.aoc.nrao.edu | 1 |
Full technology history →
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Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cart Functionality Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected Cart Functionality Oct 2025