What powers instre.org?
Last seen Oct 2026 · 28 technologies across 16 categories
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Web frameworks
Web servers
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 52% phone
- 48% desktop
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.43 / 10 · ranked #2,620,440 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- Weight: 19.4 MB · 85 requests
- WordPress theme: iore · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- The Institution of Royal Engineers (Institution of Royal Engineers on Wikidata)
- Founded: 1875
- Country: United Kingdom
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on 20i (185.151.30.167, IPv6)
- DNS: lcn.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 1,065,423, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.instre.org | 23 |
| members.instre.org | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025