What powers 
pastglobalchanges.org?
Last seen Aug 2026 · 15 technologies across 11 categories
Analytics
CDN
CMS
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
UI 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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| ipics | #2 | 13,400 |
| 2k | #9 | 910 |
| po2 | #5 | 310 |
| japan human environment interaction | #1 | 90 |
| geologic clock | #28 | 85 |
| sisal | #15 | 75 |
| peat | #27 | 70 |
| holocene climate | #3 | 38 |
| mardi | #14 | 37 |
| tokyo japan human-environment interaction | #2 | 28 |
| tokyo human/environment interaction | #2 | 28 |
| tokyo human environment interaction | #2 | 28 |
| human environment interaction in tokyo | #2 | 28 |
| 3000 people | #5 | 28 |
| working pages | #3 | 25 |
| isotope 14c | #55 | 25 |
| isotope 14c | #25 | 25 |
| medieval warm period | #9 | 24 |
| solar forcing | #2 | 23 |
| gmst | #5 | 15 |
| human environment interaction japan | #1 | 15 |
| climate of maya | #5 | 12 |
| human environment interaction in tokyo japan | #1 | 12 |
| wolf minimum | #2 | 11 |
| terrestrial biosphere | #3 | 11 |
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
- 74% desktop
- 26% phone
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.01 / 10 · ranked #109,146 of all domains
306 referring domains · OpenPageRank
Search traffic
15,800 est. monthly organic visits (US)
837 keywords in Google's top 30
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 5.7 MB · 146 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Past Global Changes
- Founded: 1991
- Country: Switzerland
From Wikidata (CC0).
Infrastructure
- Hosted on SWITCH Switch, Swiss Academic and Research Network (130.92.54.75)
- DNS: unibe.ch
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 25,812, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.pastglobalchanges.org | 13 |
| pastglobalchanges.org | 12 |
Full technology history →
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Recent changes
- detected core-js Jul 2026
- detected jQuery CDN Oct 2025