What powers sd42.nl?
Last seen Oct 2026 · 5 technologies across 4 categories
JavaScript libraries
Htmx
since Aug 2023
Miscellaneous
PWA
since Jun 2026
Programming languages
Python
since Oct 2023
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.83 / 10 · ranked #15,879,971 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- Weight: 1.4 MB · 15 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on COMPUKOS-AS (178.21.117.25)
- DNS: TransIP
- Email: purelymail.com
- Email security: SPF (soft fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 30,003,874, 2 hosts
- Verified with: Purelymail
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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