What powers kserdruk.pl?
Last seen Aug 2026 · 26 technologies across 13 categories
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Web servers
Widgets
WordPress plugins
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.70 / 10 · ranked #19,405,653 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish (Poland)
- Weight: 1.8 MB · 86 requests
- WordPress theme: jupiterx · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on OVHcloud (51.83.236.90)
- Email: kserdruk.pl
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 37,294,552, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Animate.css Aug 2026
- dropped RSS Aug 2026
- detected Contact Form 7 Jul 2026
- detected CookieYes Jul 2026
- detected core-js Jul 2026
- detected Elementor Jul 2026
- detected Font Awesome Jul 2026
- detected Google Font API Jul 2026
- detected GSAP Jul 2026
- detected HTTP/3 Jul 2026
- detected Isotope Jul 2026
- detected jQuery Jul 2026
- detected jQuery Migrate Jul 2026
- detected jQuery UI Jul 2026
- detected LiteSpeed Jul 2026
- detected MySQL Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected Popper Jul 2026
- detected Priority Hints Jul 2026
- detected PubSubJS Jul 2026
- detected Site Kit Jul 2026
- detected Slider Revolution Jul 2026
- detected Twitter Emoji (Twemoji) Jul 2026
- detected Underscore.js Jul 2026
- detected WooCommerce Jul 2026
- detected WordPress Jul 2026
- detected WordPress Block Editor Jul 2026
- detected Animate.css Jun 2026
- detected RSS Jun 2026
- dropped Animate.css May 2026
- dropped RSS May 2026
- dropped Litespeed Cache Apr 2026
- dropped Yoast SEO Mar 2026
- detected RSS Feb 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- dropped Google Tag Manager Nov 2025
- dropped Google Analytics Oct 2025
- dropped Lodash Oct 2025
- dropped Vue.js Oct 2025