What powers anhtester.com?
Last seen Oct 2026 · 11 technologies across 6 categories
Analytics
JavaScript libraries
Miscellaneous
Performance
UI frameworks
Web servers
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt, restricts 6 more. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 19 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 chatgpt-user added to robots.txt
- Oct 2026 claude-searchbot added to robots.txt
- Oct 2026 claude-user added to robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 llms.txt appeared
- Oct 2026 anthropic-ai added to robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 97% desktop
- 3% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.86 / 10 · ranked #15,171,509 of all domains
3 referring domains · OpenPageRank
Search traffic
3 est. monthly organic visits (US)
42 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Vietnamese
- Weight: 3.0 MB · 76 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP (14.225.255.250)
- DNS: bkdns.vn
- Email: anhtester.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,176,238, 11 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected RSS Oct 2026
- detected Priority Hints Sep 2026
- dropped Animate.css Aug 2026
- dropped cdnjs Aug 2026
- dropped Cloudflare Aug 2026
- dropped CodeIgniter Aug 2026
- dropped DataTables Aug 2026
- dropped FancyBox Aug 2026
- dropped Google Font API Aug 2026
- dropped Google Sign-in Aug 2026
- dropped Google Tag Manager Aug 2026
- dropped Isotope Aug 2026
- dropped OWL Carousel Aug 2026
- dropped PHP Aug 2026
- dropped Plyr Aug 2026
- dropped Popper Aug 2026
- dropped Prism Aug 2026
- dropped SweetAlert2 Aug 2026
- dropped toastr Aug 2026
- detected AOS Jul 2026
- detected Select2 Jul 2026
- detected Slick Jul 2026
- detected Swiper Jul 2026