What powers 
concept4.com?
Last seen Sep 2026 · 31 technologies across 17 categories
Advertising
Microsoft Advertising
since Aug 2025
Analytics
Cloudflare Browser Insights
since Nov 2025
Microsoft Clarity
since Aug 2025
Caching
Litespeed Cache
since Aug 2025
CDN
cdnjs
since Aug 2022
Cloudflare
since Aug 2022
CMS
WordPress
since Aug 2025
Cookie compliance
CookieYes
since Aug 2025
Databases
MySQL
since Aug 2025
Font scripts
Google Font API
since Aug 2025
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Aug 2025
Programming languages
PHP
since Aug 2025
Security
Cloudflare Bot Management
since Aug 2025
HSTS
since Aug 2025
Tag managers
Google Tag Manager
since Aug 2022
UI frameworks
ZURB Foundation
since Jan 2026
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Perfmatters
since Aug 2025
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 not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.62 / 10 · ranked #803,508 of all domains
72 referring domains · OpenPageRank
Page
- Language: English (United Kingdom)
- CDN: Cloudflare
- Weight: 18.9 MB · 71 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.56.218, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 3,046,611, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Jan 2026
- detected Gravity Forms Jan 2026
- detected ZURB Foundation Jan 2026
- detected Cloudflare Browser Insights Nov 2025