What powers stjohnscollege.co.za?
Last seen Sep 2026 · 57 technologies across 29 categories
Accessibility
Advertising
Analytics
Authentication
CDN
CMS
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Font scripts
JavaScript frameworks
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Maps
Miscellaneous
PaaS
Page builders
Payment processors
Performance
Programming languages
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Tag managers
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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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 68% phone
- 32% desktop
South Africa
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.96 / 10 · ranked #1,658,858 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (South Africa)
- Weight: 1.7 MB · 27 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- St John's College (St. John's College, Johannesburg on Wikidata)
- Country: South Africa
- Profiles: LinkedIn, Facebook, Instagram
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on xneelo (197.221.10.49)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,906,310, 6 hosts
- Verified with: Adobe, Firebase, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| givingday.stjohnscollege.co.za | 28 |
| www.givingday.stjohnscollege.co.za | 28 |
| donate.givingday.stjohnscollege.co.za | 23 |
| rugbyfestival.stjohnscollege.co.za | 22 |
| basketball.stjohnscollege.co.za | 20 |
| stjohnscollege.co.za | 18 |
| www.stjohnscollege.co.za | 18 |
| adam.stjohnscollege.co.za | 9 |
Full technology history →
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Recent changes
- dropped jQuery Modal Jun 2026
- dropped jQuery CDN May 2026
- dropped Ubuntu May 2026
- detected Cart Functionality Mar 2026