What powers concentrico.es?
Last seen Aug 2026 · 16 technologies across 13 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Security
Video players
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 50% desktop
- 50% phone
Peru
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.74 / 10 · ranked #287,008 of all domains
148 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United Kingdom)
- Weight: 38.9 MB · 193 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Concéntrico – Festival Internacional de Arquitectura y Diseño de Logroño
- Profiles: Facebook, Instagram, X
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on RAIOLANETWORKS Raiola Networks S.L. (178.211.133.14)
- DNS: raiolanetworks.es
- Email: concentrico.es
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 2,386,185, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted