What powers 
rseq.org?
Last seen Aug 2026 · 31 technologies across 19 categories
Advertising
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Miscellaneous
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Performance
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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
- Sep 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Audience
- 48% phone
- 48% desktop
- 4% tablet
Spain
Mexico
Costa Rica
Argentina
Colombia
Chile
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.79 / 10 · ranked #267,537 of all domains
164 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Spanish
- Weight: 0.2 MB · 12 requests
- WordPress theme: avada · all themes
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Spanish Royal Society of Chemistry
- Founded: 1980
- Country: Spain
From Wikidata (CC0).
Infrastructure
- Hosted on ASN-XTUDIONET (185.125.78.117)
- DNS: sered.net
- Email: gestiondeservidor.net
- Email security: no SPF record, DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 628,527, 53 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| gedh.rseq.org | 22 |
| stval.rseq.org | 22 |
| gee.rseq.org | 21 |
| jiq.rseq.org | 21 |
| stast.rseq.org | 21 |
| stclm.rseq.org | 21 |
| stmur.rseq.org | 21 |
| stmad.rseq.org | 20 |
| gctba.rseq.org | 19 |
| gep.rseq.org | 19 |
| geqo.rseq.org | 19 |
| germn.rseq.org | 19 |
| stica.rseq.org | 19 |
| grufo.rseq.org | 17 |
| rseq.org | 16 |
| geqor.rseq.org | 12 |
Full technology history →
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Recent changes
- dropped Nginx Jan 2026
- dropped OpenResty Jan 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- detected Nginx Nov 2025
- detected OpenResty Nov 2025