What powers sifrieyecenter.com?
Last seen Aug 2026 · 24 technologies across 15 categories
Accessibility
Analytics
Authentication
CDN
CMS
JavaScript libraries
Miscellaneous
PaaS
Performance
Photo galleries
Search engines
Security
Tag managers
UI frameworks
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=yes ai-input=yes declared in robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.28 / 10 · ranked #53,095,977 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 1.1 MB · 61 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Sifri Eye Center
- Industry: Healthcare (declares
MedicalBusiness) - Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Amazon Web Services (199.180.140.11)
- DNS: systemdns.com
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Verified with: Google
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
- dropped Google Font API Jul 2026
- dropped Webpack Jul 2026