What powers 4-bike.pl?
Last seen Oct 2026 · 15 technologies across 10 categories
Analytics
Authentication
JavaScript libraries
Live chat
Miscellaneous
Operating systems
Tag managers
UI frameworks
Web frameworks
Web servers
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 82% phone
- 18% desktop
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.03 / 10 · ranked #1,541,734 of all domains
24 referring domains · OpenPageRank
Search traffic
5 est. monthly organic visits (US)
48 keywords in Google's top 30
Core Web Vitals
| LCP | 1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Polish
- Weight: 10.7 MB · 234 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on ANFA-PL ANFA FAJER Sp.J. (91.237.155.49)
- DNS: anfa.pl
- Email: 4-bike.pl
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 3072, expires Dec 2026
- Common Crawl link graph: rank 8,064,518, 2 hosts
- Verified with: MailerLite
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.4-bike.pl | 15 |
| 4-bike.pl | 8 |
Full technology history →
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Recent changes
- dropped Font Awesome Jul 2026
- dropped Preact Jun 2026
- dropped Trusted Shops Jun 2026
- detected Preact Dec 2025
- detected Trusted Shops Dec 2025