What powers 
ludicum.org?
Last seen Sep 2026 · 18 technologies across 15 categories
Analytics
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Miscellaneous
Mobile frameworks
Performance
Programming languages
Security
Tag managers
Video players
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 60% desktop
- 40% phone
Brazil
Portugal
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.51 / 10 · ranked #884,620 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Portuguese (Portugal)
- Weight: 1.9 MB · 61 requests
- WordPress theme: extra (child: extra-child) · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Recreational Mathematics Magazine
From Wikidata (CC0).
Infrastructure
- Hosted on WEBHS WEBSP LDA (62.233.41.33)
- DNS: webhs.org
- Email: spambusters.email
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, wildcard, expires Nov 2026
- Common Crawl link graph: rank 86,537, 8 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected HSTS Jul 2026