nrao.edu
Scanned URL: https://nrao.edu
54
π SEO Score
7 / 13 checks passed
82
π€ LLM Readiness
9 / 11 checks passed
64
β‘ Performance
7 / 11 checks passed
π Extracted Page Tags
Title Tag
National Radio Astronomy Observatory β Revealing the Hidden Universe
Meta Description
The public page for the National Radio Astronomy Observatory (NRAO). Find info related to radio astronomy and the efforts of the observatory.
H1 Heading
None found
Canonical URL
https://public.nrao.edu/
π SEO Audit
54/100β Title Tag
Length: 68 chars (Ideal: 30-60).
β
Meta Description
Length: 141 chars (Ideal: 50-160).
β H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β
Open Graph Tags
Found 10 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
14 of 38 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β Heading Hierarchy
Missing H1 or H2 tags.
β
Internal Links
Found 112 internal links.
β HSTS Security
Missing HSTS header.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
82/100β
Structured Data (JSON-LD)
Found 1 JSON-LD blocks.
β
Schema Entities
Types: webpage, breadcrumblist, website, organization
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
Business entity defined.
β
Breadcrumb Schema
Site architecture is machine-readable.
β
AI Crawler Access
AI agents not blocked.
β
Language Declaration
Language set to 'en-US'.
β
Semantic Structure
Uses <main> or <article>.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
64/100Network Waterfall (Total: 1487ms)
- DNS: 254ms
- Connect: 271ms
- TTFB: 353ms
- Download: 1134ms
β
Time to First Byte (TTFB)
TTFB: 353ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 104.9KB (Target: < 150KB).
β Text Compression
No Brotli/Gzip detected.
β
Cache Policies
Cache-Control headers set.
β CDN Usage
No CDN headers found.
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
Cleanβ
Domain is clean.
β
Spamhaus DBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
SURBLVerify β
Not listed β no threats detected.
β
URIBLVerify β
Not listed β no threats detected.
β
Google Safe BrowsingVerify β
No unsafe content found per Google Safe Browsing.
βοΈ Technologies
CMS
WordPress
E-Commerce
WooCommerceMagento
Analytics & Tracking
Google Tag Manager
Marketing Automation
Mailchimp
JavaScript
jQuery
Infrastructure & CDN
ApachePHP
π WHOIS
WHOIS unavailable.
π DNS Records
| Type | Value |
|---|---|
| A | 192.33.115.129 |
| MX | cv3.cv.nrao.edu |
| MX | revere-vml.aoc.nrao.edu |
| MX | io.gb.nrao.edu |
| TXT | ugIPtt8T4Uy8aftOSmTufO3LJGLJci5M8dHoq6XgewpbFttQLlDOMzlFZXLLeO0RGjXuUGWh8Arwg8RhOurJVw== |
| TXT | v=spf1 mx include:hgncloud.com include:spf.mandrillapp.com include:spf.protection.outlook.com ip4:192.33.115.70 ip4:146.88.9.34 ~all |
| TXT | MS=ms86952905 |
| TXT | apple-domain-verification=IoBzh5sfRMYauHv3 |
| TXT | MS=B1EC8FECD69CCA0B9D746BC8F02A33E353312AD4 |
| TXT | docusign=7222632d-c362-4a84-9768-8e498759d6f5 |
| TXT | mandrill_verify.YOUsnxKgVCS7JcUz8rfDhQ |
| TXT | atlassian-domain-verification=mjTlwjAqiE046j3AiCsCB9wU9q6fKyZ2VXmBvehlkWDjlPCdHtlqffkV/AGp3sam |
| NS | zia.aoc.nrao.edu |
| NS | cv3.cv.nrao.edu |
| NS | sadira.gb.nrao.edu |