What powers language1st.org?
Last seen Aug 2026 · 25 technologies across 14 categories
CDN
CMS
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
LMS
Miscellaneous
Performance
Programming languages
Reverse proxies
Security
Web frameworks
Webmail
AI Crawlers
Restricts 16 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- AI2Bot Restricted
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GoogleOther Restricted
- GPTBot Restricted
- img2dataset Restricted
- meta-externalagent Restricted
- Webzio-Extended Restricted
Search and AI assistants
- Amazonbot Restricted
- DuckAssistBot Restricted
- YouBot Restricted
The other 17 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
16 of 33 AI crawlers restricted
Audience
- 81% desktop
- 19% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.82 / 10 · ranked #704,832 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 2.5 MB · 77 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| language1st.org | 15 |
| courses.language1st.org | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Angular Apr 2026
- detected TypeScript Apr 2026
- detected Zone.js Apr 2026
- dropped Typekit Nov 2025