What powers bis.cz?
Last seen Aug 2026 · 7 technologies across 6 categories
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Web servers
AI Crawlers
Blocks 7 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- ClaudeBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- Applebot Blocked
- PetalBot Blocked
The other 26 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| zpravy | #60 | 1 |
| bis security | #8 | 1 |
| bis annual report | #7 | 1 |
| b i s security | #8 | 1 |
| intelligence gathering | #46 | 1 |
| wirtschaftlichen | #22 | 0 |
| bis web | #11 | 0 |
| bis reports | #12 | 0 |
| bis group prague | #30 | 0 |
| bis english | #26 | 0 |
| bis agency | #48 | 0 |
| surveillance and intelligence | #95 | 0 |
| vide aude tace | #41 | 0 |
| vide aude tace | #30 | 0 |
| v-mann | #56 | 0 |
| v mann | #41 | 0 |
| v leute | #18 | 0 |
| what type of government is the czech republic | #82 | 0 |
| security information service | #71 | 0 |
| security information service | #31 | 0 |
| sluby | #62 | 0 |
| sttn bezpenost | #60 | 0 |
| nachrichtendienst | #97 | 0 |
| observation intelligence | #20 | 0 |
| intelligence gathering techniques | #46 | 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
7 of 33 AI crawlers blocked
Audience
- 67% phone
- 33% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.84 / 10 · ranked #124,042 of all domains
231 referring domains · OpenPageRank
Search traffic
5 est. monthly organic visits (US)
29 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 2.0 MB · 27 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Security Information Service
- Founded: 1994
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on Websupport (37.9.175.204)
- DNS: bis.cz
- Email: bis.cz
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: DigiCert, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 618,020, 3 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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