graphviz.org
Scanned URL: https://graphviz.org
69
π SEO Score
9 / 13 checks passed
45
π€ LLM Readiness
5 / 11 checks passed
73
β‘ Performance
8 / 11 checks passed
π Extracted Page Tags
Title Tag
Graphviz
Meta Description
Please join the Graphviz forum to ask questions and discuss Graphviz.
What is Graphviz? Graphviz is open source graph visualization software. Graph visualization is a way of representing structural information as diagrams of abstract graphs and networks. It has important applications in networking, bioinformatics, software engineering, database and web design, machine learning, and in visual interfaces for other technical domains.
H1 Heading
Graphviz
Canonical URL
https://graphviz.org/
π SEO Audit
69/100β Title Tag
Length: 8 chars (Ideal: 30-60).
β Meta Description
Length: 434 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 6 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β
Image Alt Text
0 of 2 images missing alt.
β Sitemap
No sitemap found in robots.txt.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 333 internal links.
β HSTS Security
Missing HSTS header.
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
73/100Network Waterfall (Total: 397ms)
- DNS: 125ms
- Connect: 151ms
- TTFB: 395ms
- Download: 2ms
β
Time to First Byte (TTFB)
TTFB: 395ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 10.3KB (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 warnings found in Google Safe Browsing transparency report.
βοΈ Technologies
E-Commerce
Magento
JavaScript
jQuery
π WHOIS
Registrar
CSL Computer Service Langenbach GmbH d/b/a joker.com
Expires
2030-06-17
Registered
1999-06-17
Last Updated
2025-05-07
Status
client transfer prohibited
Name Servers
dana.ns.cloudflare.com, kanye.ns.cloudflare.com
π DNS Records
| Type | Value |
|---|---|
| A | 35.185.44.232 |
| MX | mail.taco.com |
| TXT | v=spf1 +a +mx -all |
| TXT | google-site-verification=9xaZ5Wjxusn8mYYFLw5zG570kcg18aYSiRb4VLp3qkI |
| NS | dana.ns.cloudflare.com |
| NS | kanye.ns.cloudflare.com |