nsidc.org

Scanned URL: https://nsidc.org

69

πŸ” SEO Score

9 / 13 checks passed

36

πŸ€– LLM Readiness

4 / 11 checks passed

73

⚑ Performance

8 / 11 checks passed

πŸ“ Extracted Page Tags
Title Tag
Homepage | National Snow and Ice Data Center
Meta Description
None found
H1 Heading
Welcome to the National Snow and Ice Data Center
Canonical URL
https://nsidc.org/home
πŸ” SEO Audit
69/100
βœ… Title Tag
Length: 44 chars (Ideal: 30-60).
❌ Meta Description
No description found.
βœ… H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
βœ… Canonical URL
Canonical URL is set.
❌ Open Graph Tags
Found 0 OG properties (4+ recommended).
βœ… Indexability
Page allows indexing.
βœ… Mobile Viewport
Viewport meta tag present.
βœ… Image Alt Text
0 of 37 images missing alt.
❌ Sitemap
No sitemap found in robots.txt.
βœ… Heading Hierarchy
H1 and H2 structure detected.
βœ… Internal Links
Found 313 internal links.
❌ HSTS Security
Missing HSTS header.
βœ… HTTPS
Loads securely over HTTPS.
πŸ€– LLMO
36/100
❌ Structured Data (JSON-LD)
No JSON-LD found.
❌ Schema Entities
No schema entities.
❌ FAQ Schema
Missing FAQ schema.
❌ Contextual Summary
Description too short for AI context.
❌ E-E-A-T (Author)
No author meta or schema.
❌ Organisation Schema
Missing Organization schema.
❌ Breadcrumb Schema
Missing BreadcrumbList.
βœ… AI Crawler Access
AI agents not blocked.
βœ… Language Declaration
Language set to 'en'.
βœ… Semantic Structure
Uses <main> or <article>.
βœ… Entity Verification Links
Social/publisher profiles linked.
⚑ Performance
73/100
Network Waterfall (Total: 514ms)
  • DNS: 0ms
  • Connect: 0ms
  • TTFB: 56ms
  • Download: 458ms
βœ… Time to First Byte (TTFB)
TTFB: 56ms (Target: < 600ms).
βœ… HTML Payload Size
Raw HTML: 33.7KB (Target: < 150KB).
βœ… Text Compression
Compression enabled (gzip).
βœ… Cache Policies
Cache-Control headers set.
❌ CDN Usage
No CDN headers found.
βœ… Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
βœ… Native Lazy Loading
Images use loading='lazy'.
βœ… Minified Assets
Minified .js/.css referenced.
❌ Preload / Preconnect Hints
Missing preload/preconnect hints.
βœ… Character Set
UTF-8 declared.
πŸ›‘οΈ Security & Blacklist
Clean
βœ… Domain is clean.
βœ… Spamhaus DBLVerify β†—
Lookup inconclusive β€” use the Verify link to check manually.
βœ… SURBLVerify β†—
Not listed β€” no threats detected.
βœ… URIBLVerify β†—
Lookup inconclusive β€” use the Verify link to check manually.
βœ… Google Safe BrowsingVerify β†—
No unsafe content found per Google Safe Browsing.
βš™οΈ Technologies
CMS
Drupal
E-Commerce
Magento
JavaScript
jQuery
CSS Frameworks
Bootstrap
Infrastructure & CDN
Apache
πŸ“‹ WHOIS
Registrar
Name106, Inc.
Expires
2028-02-25
Registered
2000-02-25
Last Updated
2023-07-12
Status
client transfer prohibited
Name Servers
ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net, ns4.p201.dns.oraclecloud.net
πŸ”— DNS Records
TypeValue
A128.138.135.43
MXmx1-us1.ppe-hosted.com
MXmx2-us1.ppe-hosted.com
TXTv=spf1 ip4:128.138.135.55 include:colorado.edu include:mail.zendesk.com -all
NSns2.p201.dns.oraclecloud.net
NSns1.p201.dns.oraclecloud.net
NSns3.p201.dns.oraclecloud.net
NSns4.p201.dns.oraclecloud.net

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