What powers stcharles.ac.uk?
Last seen Sep 2026 · 23 technologies across 12 categories
Accessibility
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
UI frameworks
Web frameworks
Web servers
Webmail
AI Crawlers
Blocks 5 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Bytespider Blocked
- GPTBot Blocked
Search and AI assistants
- Amazonbot Blocked
- OAI-SearchBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 28 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 amazonbot added to robots.txt
- Oct 2026 bytespider added to robots.txt
- Oct 2026 chatgpt-user added to robots.txt
- Oct 2026 gptbot added to robots.txt
- Oct 2026 oai-searchbot added to robots.txt
AI Crawlers
5 of 33 AI crawlers blocked
Audience
- 65% phone
- 35% desktop
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.86 / 10 · ranked #4,027,997 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 2.0 MB · 71 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (34.241.9.212)
- DNS: ja.net
- Email: icritical.com
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 7,899,900, 3 hosts
- Verified with: Apple Business, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.stcharles.ac.uk | 13 |
| portal.stcharles.ac.uk | 10 |
| parentportal.stcharles.ac.uk | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected AOS Jul 2026
- detected FancyBox Jul 2026
- detected Google Font API Jul 2026
- detected Isotope Jul 2026
- detected jQuery Migrate Jul 2026
- detected List.js Jul 2026
- detected MUI Jul 2026
- detected Nginx Jul 2026
- detected PHP Jul 2026
- detected Popper Jul 2026
- detected PWA Jul 2026
- detected React Jul 2026
- detected Slick Jul 2026
- detected Tippy.js Jul 2026
- detected UserWay Jul 2026