What powers cdkl5.com?
Last seen Oct 2026 · 15 technologies across 13 categories
Analytics
CDN
CMS
Databases
JavaScript libraries
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 52% desktop
- 48% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.38 / 10 · ranked #1,025,591 of all domains
46 referring domains · OpenPageRank
Search traffic
100 est. monthly organic visits (US)
82 keywords in Google's top 30
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.9 MB · 28 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- International Foundation for CDKL5 Research
- Founded: 2009
- Country: United States
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (141.193.213.10)
- DNS: dnsbycomodo.net
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 2,085,016, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cdkl5.com | 15 |
| www.cdkl5.com | 7 |