What powers 
ksj.pl?
Last seen Sep 2026 · 28 technologies across 18 categories
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Aug 2025
CDN
cdnjs
since Aug 2025
Cloudflare
since Aug 2025
CMS
WordPress
since Feb 2020
Databases
MySQL
since Jan 2019
Ecommerce
Font scripts
Google Font API
since Jan 2019
JavaScript graphics
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Operating systems
Ubuntu
since Nov 2024
Page builders
WordPress Block Editor
since Aug 2024
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Jan 2019
Security
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Jul 2020
Web servers
WordPress plugins
Kadence WP Blocks
since Aug 2024
MetaSlider
since Apr 2025
Smart Slider 3
since Feb 2022
WP Fastest Cache
since Jun 2025
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 90% phone
- 10% desktop
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.47 / 10 · ranked #926,948 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Polish (Poland)
- Weight: 3.3 MB · 93 requests
- WordPress theme: kadence · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Księgarnia św. Jacka
- Founded: 1925
- Country: Poland
From Wikidata (CC0).
Infrastructure
- Hosted on GOSC-NET (194.181.177.210)
- DNS: wiara.pl
- Email: ksj.pl
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 850,013, 7 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ksj.pl | 23 |
| sklep.ksj.pl | 17 |