What powers 
sibgroup.org.uk?
Last seen Sep 2026 · 27 technologies across 18 categories
Accessibility
Analytics
CMS
Cookie compliance
CRM
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Video players
Web servers
Webmail
Widgets
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 71% desktop
- 29% phone
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.72 / 10 · ranked #299,051 of all domains
175 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United Kingdom)
- Weight: 17.2 MB · 127 requests
- WordPress theme: sib · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Communitybuilders
- Country: United Kingdom
From Wikidata (CC0).
Infrastructure
- Hosted on KRYSTAL (185.53.56.90)
- DNS: onyx.io
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 7,024,410, 3 hosts
- Verified with: Google, Microsoft 365, Slack
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Autoptimize Sep 2026
- detected HSTS Apr 2026
- dropped AOS Jan 2026
- dropped Bootstrap Jan 2026
- dropped Flickity Jan 2026
- dropped Google Font API Jan 2026
- dropped Instant.Page Jan 2026
- dropped jsDelivr Jan 2026
- dropped MonsterInsights Jan 2026
- dropped PWA Jan 2026
- dropped RankMath SEO Jan 2026
- dropped RSS Jan 2026
- dropped Salesforce Marketing Cloud Account Engagement Jan 2026
- dropped Unpkg Jan 2026
- detected AddToAny Dec 2025
- detected AddToAny Share Buttons Dec 2025
- detected Font Awesome Dec 2025
- detected Lightbox Dec 2025
- detected Slick Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Typekit Dec 2025
- detected WordPress Block Editor Dec 2025
- detected Yoast SEO Dec 2025
- detected YouTube Dec 2025