What powers 
gsi.de?
Last seen Oct 2026 · 51 technologies across 23 categories
Caching
CDN
CMS
Comment systems
Cookie compliance
DMS
Hosting
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
Operating systems
Programming languages
Rich text editors
Security
UI frameworks
Web frameworks
Web server extensions
Web servers
Widgets
Wikis
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| fam therapy | #75 | 130 |
| aufbau principle | #95 | 57 |
| particle accelerator | #36 | 47 |
| particle accelerator | #36 | 47 |
| gsi logo | #1 | 33 |
| ion beam applications | #48 | 31 |
| gsi | #73 | 31 |
| cbm | #54 | 29 |
| science fair experiments | #62 | 29 |
| gmbh | #80 | 25 |
| bbu-ion | #38 | 21 |
| bbu-ion | #36 | 21 |
| genco | #50 | 21 |
| electron rings | #95 | 21 |
| science fair projects | #71 | 19 |
| wollersheim | #53 | 17 |
| biophysics | #56 | 17 |
| neutron collider | #46 | 17 |
| darmstadt | #81 | 14 |
| nustar | #78 | 13 |
| nustar | #70 | 13 |
| michael block | #84 | 13 |
| hadron particle accelerator | #31 | 13 |
| gsi darmstadt | #1 | 12 |
| nuclear chemistry | #91 | 9 |
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
- 59% desktop
- 41% phone
Germany
Italy
India
Poland
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.13 / 10 · ranked #32,315 of all domains
797 referring domains · OpenPageRank
Search traffic
1,100 est. monthly organic visits (US)
1,434 keywords in Google's top 30
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 1.9 MB · 53 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Similar sites
desy.de 6 shared
ligo.org 4 sharedfz-juelich.de 6 shared
it4i.cz 5 shareddkrz.de 5 shared
dkfz.de 4 shared
- lpc.events 3 shared
synchrotron-soleil.fr 3 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- GSI Helmholtz Centre for Heavy Ion Research
- Founded: 1969
- Sector: research
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on GSI GSI Helmholtzzentrum fur Schwerionenforschung GmbH (140.181.3.149)
- DNS: dfn.de
- Email: dfn.de
- Email security: SPF (soft fail), DMARC monitor only
- SSL: HARICA, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 27,671, 174 hosts
- Verified with: Atlassian, Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| indico.gsi.de | 15 |
| git.gsi.de | 14 |
| web-docs.gsi.de | 13 |
| bio.gsi.de | 11 |
| hpc.gsi.de | 11 |
| www.gsi.de | 11 |
| panda.gsi.de | 10 |
| join2-wiki.gsi.de | 9 |
| repository.gsi.de | 9 |
| theory.gsi.de | 9 |
| www.cbm.gsi.de | 7 |
| hades-wiki.gsi.de | 6 |
| panda-wiki.gsi.de | 6 |
| wiki.gsi.de | 6 |
| sf.gsi.de | 5 |
| id.gsi.de | 3 |
| www-oracle.gsi.de | 3 |
| www-sist.gsi.de | 3 |
| gate.gsi.de | 2 |
| lxsaml01.gsi.de | 2 |
| proz.gsi.de | 2 |
| www-acc.gsi.de | 2 |