What powers 
cid.edu?
Last seen Sep 2026 · 34 technologies across 19 categories
Accessibility
Analytics
CDN
CMS
Cookie compliance
Databases
Ecommerce
Hosting
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
Video players
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
- Sep 2026 *: Restricted (was Allowed)
- Sep 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 64% desktop
- 36% phone
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.39 / 10 · ranked #419,340 of all domains
91 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 0.5 MB · 26 requests
- WordPress theme: divi (child: cid) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- CID Professional Development (Central Institute for the Deaf on Wikidata)
- Founded: 1914
- Country: United States
- Profiles: Facebook, X, Instagram, YouTube, LinkedIn
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (141.193.213.10)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 1,885,194, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cid.edu | 29 |
| professionals.cid.edu | 24 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Unpkg May 2026
- dropped Google Font API Feb 2026
- dropped Typekit Feb 2026
- detected Typekit Nov 2025