What powers 
londonsinfonietta.org.uk?
Last seen Sep 2026 · 41 technologies across 22 categories
Advertising
Analytics
Caching
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Mobile Frameworks
PaaS
Page builders
Payment processors
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 50% desktop
- 50% phone
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #344,643 of all domains
143 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- CDN: Cloudflare
- Weight: 6.2 MB · 62 requests
- WordPress theme: sinfonietta · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- London Sinfonietta
- Founded: 1968
- Industry: Arts and entertainment (declares
MusicGroup)
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.21.66.151, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 771,822, 3 hosts
- Verified with: Google, Microsoft 365, Stripe
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| londonsinfonietta.org.uk | 31 |
| www.londonsinfonietta.org.uk | 14 |
Full technology history →
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Recent changes
- dropped cdnjs Jun 2026
- dropped Fastly Jun 2026
- dropped HSTS Jun 2026
- dropped MariaDB Jun 2026
- dropped Pantheon Jun 2026
- detected Cloudflare Bot Management May 2026
- detected Cloudflare Browser Insights May 2026
- detected Contact Form 7 May 2026
- detected EWWW Image Optimizer May 2026
- detected GSAP May 2026
- detected HTTP/3 May 2026
- detected jQuery Migrate May 2026
- detected LazySizes May 2026
- detected MySQL May 2026
- detected RankMath SEO May 2026
- detected RSS May 2026
- detected Swiper May 2026
- detected Twitter Emoji (Twemoji) May 2026
- detected WordPress May 2026
- detected WordPress Site Editor May 2026
- detected Priority Hints Mar 2026
- detected Stripe Jan 2026
- dropped Cloudflare Bot Management Dec 2025