What powers pursu.io?
Last seen Aug 2026 · 29 technologies across 18 categories
Analytics
Authentication
Apple Sign-in
since Apr 2026
NextAuth.js
since Mar 2026
CDN
Amazon S3
since Oct 2025
CMS
Framer Sites
since Oct 2025
Development
Turbopack
since Aug 2026
Font scripts
Google Font API
since Oct 2025
JavaScript frameworks
JavaScript graphics
KaTeX
since Aug 2026
JavaScript libraries
Live chat
Intercom
since Oct 2025
Miscellaneous
PaaS
Amazon Web Services
since Oct 2025
Vercel
since Mar 2026
Performance
Priority Hints
since Oct 2025
Programming languages
Node.js
since Mar 2026
Security
HSTS
since Oct 2025
Tag managers
Google Tag Manager
since Oct 2025
UI frameworks
Video players
Cloudflare Stream
since Oct 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 90% desktop
- 10% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.98 / 10 · ranked #3,632,913 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 3.0 MB · 48 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| pursu.io | 24 |
| app.pursu.io | 15 |
| vocab.pursu.io | 13 |