spdx.org
Scanned URL: https://spdx.org
69
๐ SEO Score
9 / 13 checks passed
27
๐ค LLM Readiness
3 / 11 checks passed
82
โก Performance
9 / 11 checks passed
๐ Extracted Page Tags
Title Tag
SPDX โ Linux Foundation Projects Site
Meta Description
None found
H1 Heading
The System Package Data Exchangeโข (SPDXยฎ)
Canonical URL
https://spdx.dev/
๐ SEO Audit
69/100โ
Title Tag
Length: 37 chars (Ideal: 30-60).
โ Meta Description
No description found.
โ
H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
โ
Canonical URL
Canonical URL is set.
โ Open Graph Tags
Found 0 OG properties (4+ recommended).
โ
Indexability
Page allows indexing.
โ
Mobile Viewport
Viewport meta tag present.
โ Image Alt Text
77 of 79 images missing alt.
โ Sitemap
No sitemap found in robots.txt.
โ
Heading Hierarchy
H1 and H2 structure detected.
โ
Internal Links
Found 17 internal links.
โ
HSTS Security
HSTS header present.
โ
HTTPS
Loads securely over HTTPS.
๐ค LLMO
27/100โ Structured Data (JSON-LD)
No JSON-LD found.
โ Schema Entities
No schema entities.
โ FAQ Schema
Missing FAQ schema.
โ Contextual Summary
Description too short for AI context.
โ E-E-A-T (Author)
No author meta or schema.
โ Organisation Schema
Missing Organization schema.
โ Breadcrumb Schema
Missing BreadcrumbList.
โ
AI Crawler Access
AI agents not blocked.
โ
Language Declaration
Language set to 'en-US'.
โ Semantic Structure
No semantic HTML5 wrappers.
โ
Entity Verification Links
Social/publisher profiles linked.
โก Performance
82/100Network Waterfall (Total: 629ms)
- DNS: 253ms
- Connect: 254ms
- TTFB: 303ms
- Download: 326ms
โ
Time to First Byte (TTFB)
TTFB: 303ms (Target: < 600ms).
โ
HTML Payload Size
Raw HTML: 21.7KB (Target: < 150KB).
โ
Text Compression
Compression enabled (gzip).
โ
Cache Policies
Cache-Control headers set.
โ
CDN Usage
Edge delivery detected.
โ
Secure Delivery (HTTPS)
Served securely.
โ Modern Protocol
Using HTTP/1.1.
โ Native Lazy Loading
No lazy loading detected.
โ
Minified Assets
Minified .js/.css referenced.
โ
Preload / Preconnect Hints
Resource hints found.
โ
Character Set
UTF-8 declared.
๐ก๏ธ Security & Blacklist
Cleanโ
Domain is clean.
โ
Spamhaus DBLVerify โ
Lookup inconclusive โ use the Verify link to check manually.
โ
SURBLVerify โ
Not listed โ no threats detected.
โ
URIBLVerify โ
Lookup inconclusive โ use the Verify link to check manually.
โ
Google Safe BrowsingVerify โ
No unsafe content found per Google Safe Browsing.
โ๏ธ Technologies
CMS
WordPress
E-Commerce
Magento
Analytics & Tracking
Google Tag Manager
JavaScript
jQuery
CSS Frameworks
Font Awesome
Infrastructure & CDN
Nginx
๐ WHOIS
Registrar
1API GmbH
Expires
2026-04-16
Registered
2010-04-16
Last Updated
2025-11-21
Status
client transfer prohibited
Name Servers
ns1.dnsimple.com, ns3.dnsimple.com, ns4.dnsimple-edge.org, ns2.dnsimple-edge.net
๐ DNS Records
| Type | Value |
|---|---|
| A | 54.192.55.33 |
| A | 54.192.55.113 |
| A | 54.192.55.119 |
| A | 54.192.55.42 |
| MX | mx2.forwardemail.net |
| MX | mx1.forwardemail.net |
| TXT | ALIAS for dex5sra65yosf.cloudfront.net |
| TXT | forward-email-site-verification=6MYgGWeEyJ |
| TXT | v=spf1 include:forwardemail.net a mx ip4:140.211.169.12 include:mailgun.org ~all |
| NS | ns3.dnsimple.com |
| NS | ns4.dnsimple-edge.org |
| NS | ns1.dnsimple.com |
| NS | ns2.dnsimple-edge.net |