What powers slavovlab.net?
Last seen Sep 2026 · 29 technologies across 17 categories
Advertising
Analytics
Caching
CDN
CMS
Databases
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
Page builders
Programming languages
Security
Static site generator
Webmail
Widgets
AI Crawlers
Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 20 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
- Oct 2026 claude-web added to robots.txt
- Oct 2026 cohere-ai added to robots.txt
- Oct 2026 petalbot added to robots.txt
- Oct 2026 google-cloudvertexbot added to robots.txt
- Oct 2026 anthropic-ai added to robots.txt
- Oct 2026 googleother added to robots.txt
AI Crawlers
13 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.13 / 10 · ranked #3,251,358 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.42.55, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 1,935,476, 11 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog.slavovlab.net | 17 |
| nikolai.slavovlab.net | 13 |
| scp.slavovlab.net | 12 |
| slavovlab.net | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Mar 2026
- detected Twitter Emoji (Twemoji) Dec 2025