What powers sema.org.uk?
Last seen Oct 2026 · 39 technologies across 18 categories
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Payment processors
Performance
Programming languages
Webmail
WordPress plugins
WordPress themes
AI Crawlers
Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 20 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Oct 2026 googleother added to robots.txt
- Oct 2026 bytespider added to robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 claude-web added to robots.txt
- Oct 2026 applebot-extended added to robots.txt
- Oct 2026 Content Signals changed
AI Crawlers
13 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 70% desktop
- 30% phone
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.35 / 10 · ranked #1,062,524 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- CDN: Cloudflare
- Weight: 4.1 MB · 86 requests
- WordPress theme: blocksy · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Storage Equipment Manufacturers Association Ltd
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.84.7, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 2,911,784, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sema.org.uk | 36 |
| sema.org.uk | 29 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js Aug 2026
- detected Microsoft 365 Aug 2026
- dropped Formidable Form Dec 2025
- detected Jetpack Dec 2025