What powers 
sunnyoptical.com?
Last seen Oct 2026 · 5 technologies across 5 categories
Amazon SES
since Dec 2025
JavaScript libraries
PaaS
Amazon Web Services
since Dec 2025
Programming languages
Java
since Dec 2020
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 89% desktop
- 11% phone
United States
China
India
Japan
Singapore
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.78 / 10 · ranked #723,587 of all domains
79 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 25 ms |
| CLS | 0.15 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 3.4 MB · 55 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Sunny Optical Technology (Group) Company Limited
- Founded: 2006
- Sector: industrial manufacturing
- Country: People's Republic of China
From Wikidata (CC0).
Infrastructure
- Hosted on China Telecom (60.190.53.81)
- DNS: Alibaba Cloud DNS
- Email: corpsmtp.net
- Email security: SPF (hard fail), DMARC reject
- SSL: GlobalSign, RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 2,373,346, 3 hosts
- Verified with: GlobalSign, Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Amazon SES Dec 2025
- detected Amazon Web Services Dec 2025