What powers 
blesk.cz?
Last seen Sep 2026 · 129 technologies across 36 categories
A/B Testing
Advertising
Analytics
Authentication
CDN
CMS
Cookie compliance
Databases
Development
Ecommerce
Font scripts
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Maps
Marketing automation
Miscellaneous
Operating systems
PaaS
Performance
Personalisation
Programming languages
Retargeting
RUM
Search engines
Security
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Webmail
Widgets
WordPress plugins
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Bytespider Blocked
The other 32 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
- Oct 2026 bytespider added to robots.txt
- Sep 2026 bytespider removed from robots.txt
- Aug 2026 bytespider added to robots.txt
- Aug 2026 bytespider removed from robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| blesk | #1 | 110 |
| skalka | #54 | 47 |
| zz gimme all your lovin | #87 | 17 |
| zazil | #79 | 17 |
| james william middleton | #72 | 17 |
| lupa zoo ma | #84 | 9 |
| tereza kacerov | #77 | 8 |
| mitchell besser | #77 | 8 |
| alexandra brendlova | #26 | 6 |
| jakl | #58 | 6 |
| adrian soud | #91 | 6 |
| greg fleniken | #64 | 6 |
| greg fleniken | #52 | 6 |
| rusko | #80 | 5 |
| lely | #63 | 5 |
| zeman | #94 | 4 |
| brienne pedigo | #91 | 4 |
| stav | #90 | 4 |
| milo zelnek | #83 | 4 |
| milo zelnek | #69 | 4 |
| ginu | #79 | 4 |
| tnu tenikov | #10 | 3 |
| vodu | #91 | 3 |
| sonia isaza | #77 | 3 |
| nebo lodge | #63 | 3 |
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
1 of 33 AI crawlers blocked
Audience
- 85% phone
- 8% desktop
- 7% tablet
Czechia
Germany
Slovakia
United States
Austria
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.91 / 10 · ranked #9,041 of all domains
2,138 referring domains · OpenPageRank
Search traffic
470 est. monthly organic visits (US)
1,172 keywords in Google's top 30
Core Web Vitals
| LCP | 1.7 s |
| INP | 225 ms |
| CLS | 0.1 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- CDN: Amazon CloudFront
- Weight: 2.7 MB · 132 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
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gizchina.com 3 sharedlidovky.cz 3 shared
metro.cz 3 shared
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Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- Blesk
- Founded: 1991
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Registered Sep 1997 (29 years), renews Oct 2026
- Hosted on RINGIERSK-AS (91.235.52.165)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 18,459, 84 hosts
- Verified with: Google, Meta Business
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| fotbalove-prestupy.isport.blesk.cz | 35 |
| bazar.blesk.cz | 33 |
| horoskopy.blesk.cz | 28 |
| jojfamily.blesk.cz | 28 |
| wiki.blesk.cz | 28 |
| sazkafantasy.isport.blesk.cz | 27 |
| m.sportrevue.isport.blesk.cz | 26 |
| vanoce.blesk.cz | 26 |
| hobby.blesk.cz | 25 |
| pocasi.blesk.cz | 25 |
| promuze.blesk.cz | 25 |
| volby.blesk.cz | 25 |
| bleskmobil.blesk.cz | 23 |
| proukrainu.blesk.cz | 23 |
| prozeny.blesk.cz | 23 |
| tv.blesk.cz | 23 |
| isport.blesk.cz | 22 |
| www.blesk.cz | 22 |
| elektrina.blesk.cz | 21 |
| nemovitosti.blesk.cz | 21 |
| sportrevue.isport.blesk.cz | 20 |
| tv.isport.blesk.cz | 20 |
| bleskovehry.blesk.cz | 19 |
| celebwiki.blesk.cz | 18 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Turbopack Sep 2026
- dropped New Relic Aug 2026
- dropped Livefyre Jul 2026
- detected New Relic Jun 2026
- dropped TripleLift May 2026
- detected Cxense Mar 2026
- dropped Adobe Audience Manager Feb 2026
- dropped Google Sign-in Feb 2026
- dropped New Relic Feb 2026
- detected Amazon CloudFront Dec 2025
- detected Amazon Web Services Dec 2025
- detected New Relic Dec 2025
- dropped Preact Dec 2025