What powers biblioteket.se?
Last seen Aug 2026 · 5 technologies across 4 categories
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Video players
Plyr
since Aug 2022
Web servers
Nginx
since Aug 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
Sweden
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.49 / 10 · ranked #403,913 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0.45 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Swedish (Sweden)
- Weight: 19.4 MB · 168 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on STEK-AS (217.21.231.18)
- DNS: Loopia
- Email: Loopia
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 696,983, 6 hosts
- Verified with: Microsoft 365
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
- dropped core-js Feb 2026
- dropped Font Awesome Feb 2026
- dropped Vue.js Feb 2026
- dropped Webpack Feb 2026