What powers vocabularya-z.com?
Last seen Sep 2026 · 23 technologies across 11 categories
Analytics
CDN
Cookie compliance
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Programming languages
Security
Tag managers
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
- 99% desktop
- 1% phone
United States
Canada
Australia
Mexico
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.74 / 10 · ranked #2,099,510 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 100 ms |
| CLS | 0.2 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 8.9 MB · 102 requests
- Structured data: JSON-LD, Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Industry: Education (declares
EducationalOrganization)
From the homepage's own structured data (Oct 2026).
Infrastructure
- DNS: cambiumlearning.com
- Email: no MX record returned
- Email security: SPF (hard fail), DNSSEC signed
- SSL: Sectigo, RSA 4096, wildcard, expires Dec 2026
- Common Crawl link graph: rank 7,829,946, 2 hosts
- Verified with: Google, Meta Business
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected lit-element Aug 2026
- detected lit-html Aug 2026