What powers rsa.org.uk?
Last seen Aug 2026 · 24 technologies across 14 categories
CDN
CRM
Salesforce
since Jul 2024
Amazon SES
since Jul 2024
Font scripts
Font Awesome
since Jul 2024
Google Font API
since Jul 2024
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Jul 2024
Marketing automation
Salesforce Marketing Cloud Account Engagement
since Jul 2024
Miscellaneous
PaaS
Amazon Web Services
since Jul 2024
Programming languages
Node.js
since Jul 2024
TypeScript
since Jul 2024
Security
HSTS
since Jul 2024
UI frameworks
Web frameworks
Express
since Jul 2024
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.68 / 10 · ranked #773,450 of all domains
82 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 150 ms |
| CLS | 0.35 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 57.7 MB · 34 requests
- Structured data: Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SAFENAMES-AS (217.19.248.132)
- DNS: Cloudflare DNS
- Email: emailsecurity.app
- Email security: SPF (hard fail), DMARC monitor only
- SSL: ZeroSSL, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 2,083,670, 3 hosts
- Verified with: OpenAI
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Express Aug 2026
- detected Node.js Aug 2026
- detected Google Maps Jul 2026
- detected lit-element Jul 2026
- detected lit-html Jul 2026
- dropped Express Jun 2026
- dropped Google Maps Jun 2026
- dropped IIS Jun 2026
- dropped lit-element Jun 2026
- dropped lit-html Jun 2026
- dropped Node.js Jun 2026
- dropped Windows Server Jun 2026
- detected jsDelivr Oct 2025