What powers oalc.org.uk?
Last seen Aug 2026 · 13 technologies across 9 categories
CMS
Databases
PostgreSQL
since Sep 2025
Font scripts
Google Font API
since Nov 2022
JavaScript libraries
Miscellaneous
Programming languages
Security
HSTS
since Sep 2025
Web servers
Nginx
since Sep 2025
Webmail
Microsoft 365
since Nov 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 67% desktop
- 33% phone
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.73 / 10 · ranked #4,760,661 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United Kingdom)
- Weight: 1.7 MB · 14 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- dropped Bootstrap Aug 2026
- dropped jQuery UI Aug 2026
- dropped Lodash Aug 2026
- dropped Moment.js Aug 2026
- dropped Select2 Aug 2026
- detected Backdrop Jul 2026
- detected PHP Jul 2026
- dropped cdnjs Oct 2025
- dropped Cloudflare Oct 2025
- dropped Dropzone Oct 2025
- dropped Facebook Login Oct 2025
- dropped Font Awesome Oct 2025
- dropped Google Analytics Oct 2025
- dropped HTTP/3 Oct 2025
- dropped jQuery CDN Oct 2025
- dropped Osano Oct 2025
- dropped PHP Oct 2025
- dropped PWA Oct 2025
- dropped reCAPTCHA Oct 2025