What powers karpov.courses?
Last seen Aug 2026 · 33 technologies across 17 categories
Analytics
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Operating systems
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web server extensions
Web servers
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 *: Restricted (was Allowed)
- Aug 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 51% phone
- 47% desktop
- 2% tablet
Russia
Germany
Kazakhstan
Netherlands
United States
Belarus
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.64 / 10 · ranked #380,173 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 5.2 MB · 202 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| blog.karpov.courses | 17 |
| lab.karpov.courses | 13 |
| karpov.courses | 10 |
| id.karpov.courses | 7 |
| jupyter.k8s.karpov.courses | 4 |
Full technology history →
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Recent changes
- detected jQuery Migrate May 2026
- dropped Angie Mar 2026
- dropped C Mar 2026
- dropped Perl Mar 2026
- dropped Unpkg Mar 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Unpkg Dec 2025
- dropped Carrot quest Oct 2025