What powers acheckerviet.men?
Last seen Sep 2026 · 16 technologies across 10 categories
Analytics
CDN
Databases
JavaScript frameworks
JavaScript libraries
Message boards
Miscellaneous
Operating systems
Programming languages
Web servers
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 stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Oct 2026 googleother added to robots.txt
- Oct 2026 bytespider added to robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 claude-web added to robots.txt
- Oct 2026 applebot-extended added to robots.txt
- Oct 2026 Content Signals changed
AI Crawlers
13 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 100% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 0.6 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Oct 2026.
Infrastructure
- Hosted on Cloudflare (172.66.41.5, IPv6)
- DNS: Cloudflare DNS
- Email: Namecheap Private Email
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted