What powers 
charcoalblue.com?
Last seen Aug 2026 · 32 technologies across 16 categories
Analytics
Caching
CDN
CMS
Databases
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Security
SEO
Tag managers
Webmail
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 75% desktop
- 25% phone
United Kingdom
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.93 / 10 · ranked #623,791 of all domains
87 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 32.7 MB · 70 requests
- WordPress theme: charcoal-blue · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.76.32, IPv6)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 2,757,702, 6 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.charcoalblue.com | 27 |
| www.cbx.charcoalblue.com | 11 |
Full technology history →
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Recent changes
- detected anime.js Aug 2026
- detected Cloudflare Browser Insights Aug 2026
- detected core-js Aug 2026
- detected Google Tag Manager Aug 2026
- detected HTTP/3 Aug 2026
- detected HubSpot Analytics Aug 2026
- detected jQuery Migrate Aug 2026
- detected Lightbox Aug 2026
- detected MySQL Aug 2026
- detected PHP Aug 2026
- detected reCAPTCHA Aug 2026
- detected Redis Aug 2026
- detected Redis Object Cache Aug 2026
- detected WordPress Aug 2026
- detected Yoast SEO Aug 2026
- detected HubSpot Jun 2026