What powers 
sozialarchiv.ch?
Last seen Aug 2026 · 14 technologies across 11 categories
Analytics
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Programming languages
Web servers
Webmail
WordPress plugins
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 |
|---|---|---|
| zurich needle park | #93 | 0 |
| verdingkinder | #85 | 0 |
| platzspitz | #85 | 0 |
| joshua leifer wikipedia | #59 | 0 |
| marlene kalb wikipedia | #39 | 0 |
| grounding: the last days of swissair | #54 | 0 |
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
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.34 / 10 · ranked #180,563 of all domains
139 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
6 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German (Switzerland)
- Weight: 0.3 MB · 31 requests
- WordPress theme: sozialarchiv · all themes
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Swiss Social Archives
- Founded: 1906
- Country: Switzerland
From Wikidata (CC0).
Infrastructure
- Hosted on HOSTPOINT-AS (217.26.51.230, IPv6)
- DNS: hostpoint.ch
- Email: Microsoft 365
- Email security: no SPF record, DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 716,884, 11 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Mar 2026