What powers spdxc.org?
Last seen Aug 2026 · 27 technologies across 12 categories
CMS
Databases
MySQL
since Dec 2022
Font scripts
Google Font API
since Jun 2021
Twitter Emoji (Twemoji)
since Dec 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Colibri WP
since Dec 2022
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Nov 2023
Programming languages
Security
reCAPTCHA
since Jul 2026
Web servers
Apache HTTP Server
since Jun 2021
LiteSpeed
since Dec 2022
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 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
3.08 / 10 · ranked #1,448,989 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish (Poland)
- Weight: 5.3 MB · 63 requests
- WordPress theme: althea-wp · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NASK-COMMERCIAL (194.181.228.15)
- DNS: webd.pl
- Email: no MX record returned
- SSL: Sectigo, RSA 2048, expires Sep 2026
- Common Crawl link graph: rank 252,842, 4 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.spdxc.org | 25 |
| z66sp.spdxc.org | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- detected reCAPTCHA Jul 2026
- dropped Nginx Apr 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected The Events Calendar Nov 2025