What powers vocab.ai?
Last seen Oct 2026 · 25 technologies across 14 categories
Analytics
PostHog
since Jan 2025
CDN
Cloudflare
since May 2024
Google Hosted Libraries
since Feb 2024
Font scripts
Google Font API
since Feb 2024
Issue trackers
Sentry
since May 2026
JavaScript frameworks
JavaScript libraries
Live chat
Crisp Live Chat
since Feb 2025
Miscellaneous
Page builders
Webflow
since Feb 2024
Programming languages
Security
HSTS
since May 2024
UI frameworks
Bootstrap
since May 2024
Web frameworks
Django
since May 2024
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 92% desktop
- 8% phone
United States
Japan
Brazil
Vietnam
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.40 / 10 · ranked #7,447,558 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 0.4 MB · 23 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (198.202.211.1)
- DNS: DigitalOcean
- Email: Fastmail
- Email security: SPF (neutral), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 40,377,395, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| app.vocab.ai | 12 |
| www.vocab.ai | 11 |
| words.vocab.ai | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped cdnjs Oct 2026
- dropped Font Awesome Oct 2026
- detected Sentry May 2026