Census · Site record
coaltech.co.za
In the census. Status: active when Palo last checked it, on 21 October 2026 (the homepage answered with a page, directly or after redirects). 5 sites in the census link to it, and it links to 32 sites (30 of them in the analysed graph).
Recorded about the site
Text in quotation marks is what the site declares about itself.
- Title
- “Home - Coaltech Research Association”
- Description
- “Established as a non-profit organisation to address the research needs of the South Africa Coal Industry, Coaltech’s main purpose is the application of”
- Language
- en
- schema.org types
- NGO, Organization, WebSite, ImageObject, WebPage, Person, Article
- Open Graph metadata
- yes
- Homepage size
- 186 KB, 31 links
- First seen
- before 12 October 2026 (not recorded earlier)
- Listed by
- Common Crawl (crawl CC-MAIN-2026-39); Common Crawl (crawl CC-MAIN-2026-43); a link from a crawled .za site; the list kept by Palo's earlier worker until October 2026 (from Common Crawl CC-MAIN-2025-18 or certificate transparency logs)
Position in the link graph
The graph holds the active and blocked sites in the census and the links between them: 213,067 sites. Rank 1 is the highest.
- Links in (in-degree)
- 5 sites in the graph link to it
- Links out (out-degree)
- it links to 30 sites in the graph
- PageRank rank
- 53,509 of 213,067. 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
- 36,914 of 213,067. The same, leaving out links only ever seen in a page footer
- PageRank rank between registered names
- 43,869 of 213,067. The same, leaving out links between sites under one registered name, such as x.co.za and shop.x.co.za
- Betweenness rank
- 764 of 213,067. How often the site lies on the shortest paths between others
- Sites reachable by following links
- about 58,713 (estimated)
- Community
- one of 5,061 sites in its Louvain community, a group more densely linked to each other than to the rest
Links in: 5 sites
Sites in the census whose crawled pages link to coaltech.co.za, by PageRank rank (unranked last). “Seen in” is where on the linking pages the link appears.
| Site | Status | PageRank rank | Seen in |
|---|---|---|---|
| mandelaminingprecinct.org.za | active | 24,096 | not recorded |
| thusoresources.usaf.ac.za | active | 24,198 | body |
| c4es.co.za | active | 69,410 | body |
| thegca.co.za | active | 73,258 | body |
| ashresources.co.za | active | 98,344 | body |
Links out: 32 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 |
|---|---|---|---|
| uct.ac.za | active | 30 | body |
| wits.ac.za | active | 54 | body |
| eskom.co.za | active | 88 | body |
| unisa.ac.za | active | 89 | body |
| ufs.ac.za | active | 167 | body |
| csir.co.za | active | 348 | body |
| uj.ac.za | blocked | 354 | body |
| wrc.org.za | active | 389 | body |
| nwu.ac.za | active | 528 | body |
| arc.agric.za | active | 1,257 | body |
| mineralscouncil.org.za | active | 2,071 | body |
| univen.ac.za | active | 2,174 | body |
| mintek.co.za | active | 18,940 | body |
| mandelaminingprecinct.org.za | active | 24,096 | body |
| jaws.co.za | active | 36,233 | body |
| jcimining.co.za | active | 38,301 | body |
| timrite.co.za | active | 38,894 | body |
| enprotec.co.za | blocked | 45,073 | body |
| sacollierymanagers.org.za | active | 61,279 | body |
| thegca.co.za | active | 73,258 | not recorded |
| sacesha.org.za | active | 74,455 | body |
| acruxsorting.co.za | active | 78,141 | body |
| agreenco.co.za | active | 82,246 | body |
| ashresources.co.za | active | 98,344 | body |
| blugrey.co.za | active | 98,345 | body |
| exm.co.za | blocked | 98,346 | body |
| genet.co.za | active | 98,347 | body |
| mpbiasa.org.za | active | 98,348 | body |
| nkangalabc.org.za | active | 98,349 | body |
| phatsemamining.co.za | active | 98,350 | body |
| tests.finic.co.za | not yet visited | – | body |
| up.ac.za | dead | – | body |
Links leaving .za: 25 domains
Domains outside .za that its crawled pages link to:
- cdcdustcontrol.com (body)
- cemmining.com (body)
- ctctraining.org (body)
- dmt-group.com (body)
- exxaro.com (body)
- flowcentric-mining.com (body)
- fraseralexander.com (body)
- futurecoal.org (body)
- gcs-sa.biz (body)
- glencore.com (body)
- google.com (body)
- hlelaprojects.africa (body)
- linkedin.com (body, footer)
- maptek.com (body)
- mcsza.com (body)
- miningindaba.com (body)
- miningweekly.com (body)
- minopex.com (body)
- nafasiwater.com (body)
- razor-labs.com (body)
- sasol.com (body)
- seritiza.com (body)
- thungela.com (body)
- youtube.com (body, nav)
- za.linkedin.com (body)
Related
Other sites in its zone (co.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 22 October 2026, 00:24 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/coaltech.co.za.md.