What powers gelbcenter.com?
Last seen Oct 2026 · 21 technologies across 13 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Webmail
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.44 / 10 · ranked #7,055,262 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 1.4 MB · 74 requests
- WordPress theme: mts_schema · all themes
- Structured data: JSON-LD, Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- The Gelb Center NYC - TMJ and Sleep Apnea
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (141.193.213.10)
- DNS: Network Solutions
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 29,369,429, 2 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 Twitter Emoji (Twemoji) Mar 2026