sa3.ac.za
In the census. Status: active when Palo last checked it, on 30 October 2026 (the homepage answered with a page, directly or after redirects). 1 site in the census link to it, and it links to 10 sites (6 of them in the analysed graph).
Recorded about the site
Text in quotation marks is what the site declares about itself.
- Title
- “SA3. Image: NASA, ESA and M. Livio and Hubble 20th Anniversary Team (STScI) – A South African National Virtual Observatory”
- Language
- en
- Open Graph metadata
- no
- Homepage size
- 15 KB, 17 links
- First seen
- 12 October 2026, found through Common Crawl (crawl CC-MAIN-2026-39)
- Listed by
- Common Crawl (crawl CC-MAIN-2026-39); Common Crawl (crawl CC-MAIN-2026-43); a link from a crawled .za site
Position in the link graph
The graph holds the active and blocked sites in the census and the links between them: 318,317 sites. Rank 1 is the highest.
- Links in (in-degree)
- 1 site in the graph link to it
- Links out (out-degree)
- it links to 6 sites in the graph
- PageRank rank
- 77,371 of 318,317. PageRank weighs links by the rank of the sites they come from; every link counts the same, whatever its purpose
- PageRank rank without footer-only links
- 51,395 of 318,317. The same, leaving out links only ever seen in a page footer
- PageRank rank between registered names
- 263,697 of 318,317. The same, leaving out links between sites under one registered name, such as x.co.za and shop.x.co.za
- Betweenness rank
- 32,036 of 318,317. How often the site lies on the shortest paths between others
- Sites reachable by following links
- about 63,629 (estimated)
- Community
- one of 6,283 sites in its Louvain community, a group more densely linked to each other than to the rest
Links in: 1 site
Sites in the census whose crawled pages link to sa3.ac.za, by PageRank rank (unranked last). “Seen in” is where on the linking pages the link appears.
| Site | Status | PageRank rank | Seen in |
|---|---|---|---|
| ivoa2016.sa3.ac.za | active | 220,303 | body |
Links out: 10 sites
Sites in the census that its crawled pages link to, by PageRank rank (unranked last). “Seen in” is where on the linking pages the link appears.
| Site | Status | PageRank rank | Seen in |
|---|---|---|---|
| nrf.ac.za | active | 267 | body |
| saao.ac.za | active | 866 | body |
| salt.ac.za | blocked | 1,600 | body |
| ska.ac.za | active | 9,061 | body |
| idia.ac.za | active | 32,915 | body |
| hartrao.ac.za | active | 38,015 | body |
| ads.idia.ac.za | dead | – | body |
| saaoads.chpc.ac.za | dead | – | body |
| viziersaao.chpc.ac.za | dead | – | body |
| vodas.salt.ac.za | dead | – | body |
Links leaving .za: 58 domains
Domains outside .za that its crawled pages link to, the first 50 by name:
- 2dfgrs.net (body)
- abyss.uoregon.edu (body)
- aladin.u-strasbg.fr (body)
- aras.am (body)
- archive.eso.org (body)
- archive.stsci.edu (body)
- astrogrid.org (body)
- aus-vo.org.au (body)
- cadc-ccda.hia-iha.nrc-cnrc.gc.ca (body)
- china-vo.org (body)
- chivo.cl (body)
- cosmos.iasf-milano.inaf.it (body)
- esavo.esac.esa.int (body)
- euro-vo.org (body)
- france-vo.org (body)
- g-vo.org (body)
- hachi.ipac.caltech.edu (body)
- heasarc.gsfc.nasa.gov (body)
- hla.stecf.org (body)
- hla.stsci.edu (body)
- hvo.elte.hu (body)
- inasan.rssi.ru (body)
- ipac.caltech.edu (body)
- irsa.ipac.caltech.edu (body)
- ivoa.net (body)
- java.com (body)
- jvo.nao.ac.jp (body)
- leda.univ-lyon1.fr (body)
- lna.br (body)
- mast.stsci.edu (body)
- nedwww.ipac.caltech.edu (body)
- nova.org.ar (body)
- onedesigns.com (footer)
- sdss.org (body)
- sdss3.org (body)
- sha.ipac.caltech.edu (body)
- simbad.u-strasbg.fr (body)
- skyserver.sdss3.org (body)
- skyview.gsfc.nasa.gov (body)
- specview.stsci.edu (body)
- star-www.dur.ac.uk (body)
- star.bris.ac.uk (body)
- stsci.edu (body)
- svo.laeff.inta.es (body)
- ukr-vo.org (body)
- usvoa.cfa.harvard.edu (body)
- vo.iucaa.ernet.in (body)
- vo.iucaa.in (body)
- vobs.astro.it (body)
- voeventnet.caltech.edu (body)
Related
Other sites in its zone (ac.za) · Search the census
About these figures
- Only links between .za sites in the census are in the graph; links from outside .za, social media and search engines are not observed.
- Links added by scripts after a page loads may be missed, and pages Palo has not crawled are not seen.
- As of the analysis on 31 October 2026, 00:12 SAST. The data is CC BY 4.0; credit “Palo, Dirišwago (palo.dirishwago.co.za)”.
- This record as Markdown, for language models and other programs: /explore/sa3.ac.za.md.