What powers s4d.eu?
Last seen Oct 2026 · 30 technologies across 14 categories
Caching
CMS
Databases
Font scripts
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
UI frameworks
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Allowed (was Restricted)
- Sep 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Audience
- 75% desktop
- 25% phone
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.50 / 10 · ranked #2,487,917 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 0.7 MB · 33 requests
- WordPress theme: stuurlui · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- S4D
- Profiles: LinkedIn
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on TRUESERVER-AS TrueServer BV AS number (87.233.198.46)
- DNS: sectigoweb.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 12,472,003, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| s4d.eu | 22 |
| careers.s4d.eu | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cart Functionality Apr 2026
- detected Isotope Apr 2026
- detected lit-element Apr 2026
- detected lit-html Apr 2026
- detected ZURB Foundation Apr 2026
- dropped Isotope Mar 2026
- dropped lit-element Mar 2026
- dropped lit-html Mar 2026
- dropped Varnish Mar 2026
- dropped ZURB Foundation Mar 2026
- dropped Google Tag Manager Jan 2026
- dropped Nginx Jan 2026
- dropped Sucuri Jan 2026