What powers 
grefa.org?
Last seen Sep 2026 · 43 technologies across 20 categories
Analytics
CMS
Databases
Ecommerce
Font scripts
Hosting panels
JavaScript libraries
Maps
Miscellaneous
Mobile frameworks
Payment processors
Performance
Programming languages
Security
UI frameworks
Video players
Web servers
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 71% phone
- 29% desktop
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.82 / 10 · ranked #264,663 of all domains
171 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Spanish (Spain)
- CDN: Sucuri Firewall
- Weight: 3.6 MB · 89 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- La ECO·Tienda de GREFA (GREFA on Wikidata)
- Founded: 1981
- Sector: environment
- Country: Spain
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Registered May 1999 (27 years) via Hosting Concepts B.V. d/b/a Registrar.eu, renews May 2027
- Hosted on Sucuri (192.124.249.10)
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GoDaddy, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 478,426, 9 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| educacion.grefa.org | 26 |
| buscopadrino.grefa.org | 18 |
| grefa.org | 18 |
| www.grefa.org | 18 |
| ecotienda.grefa.org | 14 |
| civillalar.grefa.org | 13 |
Full technology history →
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Recent changes
- dropped Cloudflare Jan 2026
- dropped Cloudflare Bot Management Jan 2026
- detected Cloudflare Nov 2025
- detected Cloudflare Bot Management Nov 2025