What powers worldmusictextbook.org?
Last seen Aug 2026 · 14 technologies across 10 categories
Analytics
GoatCounter
since Jul 2023
CMS
Sanity
since Jul 2023
Development
Turbopack
since Aug 2026
Mailgun
since Jan 2025
JavaScript frameworks
Miscellaneous
Open Graph
since Jul 2023
Webpack
since Jul 2023
PaaS
Programming languages
Node.js
since Jul 2023
Security
HSTS
since Jul 2023
UI frameworks
Headless UI
since Jul 2023
Tailwind CSS
since Jul 2023
AI Crawlers
Blocks 12 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
Search and AI assistants
- PerplexityBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 21 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
12 of 33 AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.54 / 10 · ranked #6,182,523 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Netlify
- Weight: 0.5 MB · 26 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.