What powers lerni.us?
Last seen Aug 2026 · 28 technologies across 19 categories
Affiliate programs
Analytics
Authentication
CDN
CMS
Cookie compliance
Databases
Font Scripts
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Programming languages
Tag managers
UI frameworks
Web Frameworks
Web Servers
Webmail
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 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
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 62% phone
- 38% desktop
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.76 / 10 · ranked #2,072,280 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 4.4 MB · 51 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| lerni.us | 18 |
| blog.lerni.us | 16 |
| teachers.lerni.us | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Microsoft Advertising Jul 2026
- dropped Bunny Jun 2026
- dropped Bunny Fonts Jun 2026
- dropped Nginx Jun 2026
- dropped Admitad May 2026
- detected Amazon S3 May 2026
- detected Amazon Web Services May 2026
- detected Cloudflare May 2026
- detected Cloudflare Browser Insights May 2026
- dropped Font Awesome May 2026
- dropped jQuery CDN May 2026
- dropped jsDelivr May 2026
- detected Microsoft Advertising May 2026
- detected Tailwind CSS May 2026
- detected Alpine.js Apr 2026
- detected Axios Apr 2026
- detected Bunny Apr 2026
- detected Bunny Fonts Apr 2026
- detected Cookie Script Apr 2026
- detected Hotjar Apr 2026
- detected Nginx Apr 2026