71
/ 100
B
Good
Overall Domain Score
SEO 69 · LLM 73 · Perf 73
69
π SEO Score
9 / 13 checks passed
73
π€ LLM Readiness
8 / 11 checks passed
73
β‘ Performance
8 / 11 checks passed
π Extracted Page Tags
Title Tag
Home Page - NSO - National Solar Observatory
Meta Description
Learn how the NSF's National Solar Observatory (NSO) uses its solar observatories to learn about the Sun and how it influences Earth.
H1 Heading
None found
Canonical URL
https://nso.edu/
π SEO Audit
69/100β
Title Tag
Length: 44 chars (Ideal: 30-60).
β
Meta Description
Length: 133 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
75 of 180 images missing alt.
β
Sitemap
Sitemap declared.
β Heading Hierarchy
Missing H1 or H2 tags.
β
Internal Links
Found 309 internal links.
β HSTS Security
Missing HSTS header.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
73/100β
Structured Data (JSON-LD)
Found 1 JSON-LD blocks.
β
Schema Entities
Types: webpage, imageobject, 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
No semantic HTML5 wrappers.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
73/100Network Waterfall (Total: 249ms)
- DNS: 124ms
- Connect: 139ms
- TTFB: 206ms
- Download: 43ms
β
Time to First Byte (TTFB)
TTFB: 206ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 105KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
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
No lazy loading detected.
β
Minified Assets
Minified .js/.css referenced.
β
Preload / Preconnect Hints
Resource hints found.
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
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
WordPress
E-Commerce
WooCommerceMagento
Analytics & Tracking
Google Tag Manager
JavaScript
jQuery
Infrastructure & CDN
Apache
π WHOIS
WHOIS unavailable.
π DNS Records
| Type | Value |
|---|---|
| A | 50.6.111.190 |
| MX | alt4.aspmx.l.google.com |
| MX | alt3.aspmx.l.google.com |
| MX | alt1.aspmx.l.google.com |
| MX | alt2.aspmx.l.google.com |
| MX | aspmx.l.google.com |
| TXT | v=spf1 include:_spf1.nso.edu include:_spf2.nso.edu include:_spf.google.com ~all |
| TXT | teamviewer-sso-verification=8e71a29320954b1ca228c4a5e98a614e |
| TXT | atlassian-domain-verification=7hzN6wJLBsMyIXJ9abxZvuYhV3tx7DbgivMIsXiYQKC9vdxLS9Q9apkKE/NcnPvt |
| TXT | google-site-verification=pKflkpbA9T3C2w1kqCT3L-WyF_TMAO9rPm76_fESeWk |
| TXT | workplace-domain-verification=MxXI2C77Ql71E5AvrgoBBCAz1X5Cou |
| TXT | google-site-verification=ooum89H-nobb_uhOG3ExyTfZlcXwpsfT-BDf1ECU-lw |
| NS | ns2.nso.edu |
| NS | ns1.nso.edu |