What powers johnlyon.org?
Last seen Oct 2026 · 47 technologies across 25 categories
Analytics
Authentication
CDN
CMS
Cookie compliance
Databases
Ecommerce
Editors
Font scripts
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
Video players
Web servers
Webmail
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
- Oct 2026 *: Restricted (was Allowed)
- Sep 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 64% phone
- 36% desktop
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.03 / 10 · ranked #1,532,055 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- Weight: 82.4 MB · 126 requests
- WordPress theme: johnlyon · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- John Lyon (The John Lyon School on Wikidata)
- Founded: 1876
- Country: United Kingdom
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on DigitalOcean (167.99.85.137)
- DNS: Gandi
- Email: Barracuda
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 7,465,305, 4 hosts
- Verified with: Adobe, Amazon SES, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.johnlyon.org | 34 |
| parent.johnlyon.org | 20 |
| applyonline.johnlyon.org | 6 |
Full technology history →
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Recent changes
- detected Cloudways Oct 2026
- dropped HTTP/3 Oct 2026
- dropped WP Engine Oct 2026
- detected Nginx Sep 2026
- dropped Font Awesome Feb 2026
- dropped DigitalOcean Spaces Dec 2025
- dropped YouTube Dec 2025