What powers rcu.lk?
Last seen Sep 2026 · 23 technologies across 13 categories
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Sri Lanka
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.76 / 10 · ranked #17,421,574 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 8.4 MB · 96 requests
- WordPress theme: astra · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Royal College Union
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on ColoCrossing (23.94.48.235)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 1,649,867, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Jetpack Mar 2026
- dropped HTTP/3 Dec 2025
- dropped LiteSpeed Dec 2025
- dropped Litespeed Cache Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Cloudflare Nov 2025
- detected Nginx Nov 2025
- detected Ubuntu Nov 2025