What powers zzk39.com?
Last seen Sep 2026 · 13 technologies across 8 categories
CDN
IaaS
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Security
UI frameworks
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- Webzio-Extended Blocked
- meta-externalagent Allowed
Search and AI assistants
- Amazonbot Blocked
- PerplexityBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 19 AI crawlers we track are not mentioned and are blocked by the catch-all rule (User-agent: *).
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 meta-externalagent added to robots.txt
- Sep 2026 ccbot added to robots.txt
- Sep 2026 chatgpt-user added to robots.txt
- Sep 2026 claude-web added to robots.txt
- Sep 2026 bytespider added to robots.txt
- Sep 2026 *: Blocked (was Allowed)
AI Crawlers
All crawlers blocked
Audience
- 100% phone
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.10 / 10 · ranked #101,832,851 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.7 s |
| INP | 600 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Google
- Weight: 5.4 MB · 290 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Google Cloud (34.54.84.176)
- DNS: Alibaba Cloud DNS
- Email: no MX record returned
- SSL: Google Trust Services, RSA 2048, wildcard, expires Nov 2026
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zzk39.com | 13 |
| zzk39.com | 13 |
Full technology history →
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Recent changes
- detected Priority Hints Aug 2026