columbiasurgery.org
Scanned URL: https://columbiasurgery.org
📅 Scan completed: April 20, 2026 at 7:04 PM
69
/ 100
C
Average
Overall Domain Score
SEO 77 · LLM 45 · Perf 82
77
π SEO Score
10 / 13 checks passed
45
π€ LLM Readiness
5 / 11 checks passed
82
β‘ Performance
9 / 11 checks passed
π Extracted Page Tags
Title Tag
Columbia University Department of Surgery | Top Hospital New York
Meta Description
We offer surgical care, with the best doctors and surgeons, research, educational programs and support services.
H1 Heading
Care Within Reach
Canonical URL
https://columbiasurgery.org/
π SEO Audit
77/100β Title Tag
Length: 65 chars (Ideal: 30-60).
β
Meta Description
Length: 112 chars (Ideal: 50-160).
β
H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β Open Graph Tags
Found 1 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β
Image Alt Text
0 of 8 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 89 internal links.
β
HSTS Security
HSTS header present.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
45/100β Structured Data (JSON-LD)
No JSON-LD found.
β Schema Entities
No schema entities.
β FAQ Schema
Missing FAQ schema.
β
Contextual Summary
Description provides good AI context.
β E-E-A-T (Author)
No author meta or schema.
β Organisation Schema
Missing Organization schema.
β Breadcrumb Schema
Missing BreadcrumbList.
β
AI Crawler Access
AI agents not blocked.
β
Language Declaration
Language set to 'en'.
β
Semantic Structure
Uses <main> or <article>.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
82/100Network Waterfall (Total: 103ms)
- DNS: 60ms
- Connect: 62ms
- TTFB: 103ms
- Download: 0ms
β
Time to First Byte (TTFB)
TTFB: 103ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 10.2KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β
Cache Policies
Cache-Control headers set.
β
CDN Usage
Edge delivery detected.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β
Native Lazy Loading
Images use loading='lazy'.
β
Minified Assets
Minified .js/.css referenced.
β Preload / Preconnect Hints
Missing preload/preconnect hints.
β
Character Set
UTF-8 declared.
π‘οΈ Security & Blacklist
2 Flag(s)β οΈ Flagged on 2 blacklist(s).
π¨ Spamhaus DBLVerify β
FLAGGED: Listed (code: 51.79.82.51)
π¨ SURBLVerify β
FLAGGED: Listed (code: 51.79.82.51)
β
URIBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
Google Safe BrowsingVerify β
No unsafe content found per Google Safe Browsing.
βοΈ Technologies
CMS
Drupal
E-Commerce
Magento
CSS Frameworks
Bootstrap
Infrastructure & CDN
Nginx
π WHOIS
Registrar
Domain.com - Network Solutions, LLC
Registered
1998-12-13T05:00:00Z
Expires
2026-12-12T05:00:00Z
Last Updated
2025-06-25T17:19:49Z
Status
clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Servers
ns1.dotster.com, ns2.dotster.com
π DNS Records
| Type | Value |
|---|---|
| A | 23.185.0.2 |
| MX | external-smtp-multi-vif.cc.columbia.edu |
| MX | mx.columbiasurgery.org |
| TXT | google-site-verification=jp27Nvew4JbybxTP0m3SNRQ0kNca9fn57Nn-X5254y4 |
| TXT | v=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all |
| TXT | facebook-domain-verification=aqph6grxmg2zelq4lba0d2k8ejsg41 |
| NS | ns1.dotster.com |
| NS | ns2.dotster.com |
⭐ Community Rating
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