What powers leidenmanifesto.org?
Last seen Jul 2026 · 22 technologies across 13 categories
Analytics
CMS
Databases
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
Video players
Web frameworks
Web servers
Webmail
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| research metrics | #12 | 1 |
| leiden measurement technology | #22 | 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 robots.txt, all AI crawlers allowed
Open Page Rank
5.49 / 10 · ranked #160,248 of all domains
235 referring domains · OpenPageRank
Search traffic
1 est. monthly organic visits (US)
2 keywords in Google's top 30
Infrastructure
- Hosted on SURFNET-NL SURFnet, The Netherlands (132.229.29.19)
- DNS: surfnet.nl
- Email: no MX record returned
- Email security: DNSSEC signed, CAA
- SSL: HARICA, RSA 4096, wildcard, expires Feb 2027
- Common Crawl link graph: rank 54,854, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| dewaslot.leidenmanifesto.org | 18 |
| www.leidenmanifesto.org | 4 |
Full technology history →
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Recent changes
- detected IIS Jul 2026
- detected Microsoft ASP.NET Jul 2026
- detected Windows Server Jul 2026