60
/ 100
C
Average
Overall Domain Score
SEO 69 · LLM 18 · Perf 91
69
🔍 SEO Score
9 / 13 checks passed
18
🤖 LLM Readiness
2 / 11 checks passed
91
⚡ Performance
10 / 11 checks passed
📝 Extracted Page Tags
Title Tag
gihyo.jp | gihyo.jp
Meta Description
技術評論社提供のIT関連コンテンツサイト
H1 Heading
gihyo.jpサイトのロゴ
Canonical URL
https://gihyo.jp/
🔍 SEO Audit
69/100❌ Title Tag
Length: 19 chars (Ideal: 30-60).
❌ Meta Description
Length: 20 chars (Ideal: 50-160).
✅ H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
✅ Canonical URL
Canonical URL is set.
✅ Open Graph Tags
Found 6 OG properties (4+ recommended).
✅ Indexability
Page allows indexing.
✅ Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
33 of 33 images missing alt.
✅ Sitemap
Sitemap declared.
✅ Heading Hierarchy
H1 and H2 structure detected.
✅ Internal Links
Found 61 internal links.
❌ HSTS Security
Missing HSTS header.
✅ HTTPS
Loads securely over HTTPS.
🤖 LLMO
18/100❌ 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.
✅ AI Crawler Access
AI agents not blocked.
✅ Language Declaration
Language set to 'ja'.
❌ Semantic Structure
No semantic HTML5 wrappers.
❌ Entity Verification Links
No entity validation links.
⚡ Performance
91/100Network Waterfall (Total: 328ms)
- DNS: 124ms
- Connect: 132ms
- TTFB: 328ms
- Download: 0ms
✅ Time to First Byte (TTFB)
TTFB: 328ms (Target: < 600ms).
✅ HTML Payload Size
Raw HTML: 15.2KB (Target: < 150KB).
✅ Text Compression
Compression enabled (gzip).
✅ Cache Policies
Cache-Control headers set.
✅ CDN Usage
Edge delivery detected.
✅ Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
✅ Native Lazy Loading
Images use loading='lazy'.
✅ Minified Assets
Minified .js/.css referenced.
✅ Preload / Preconnect Hints
Resource hints found.
✅ Character Set
UTF-8 declared.
🛡️ Security & Blacklist
Clean✅ Domain is clean.
⚙️ Technologies
E-Commerce
Magento
Analytics & Tracking
Google AnalyticsGoogle Tag Manager
Advertising
DoubleClick
Infrastructure & CDN
Cloudflare
📋 WHOIS
WHOIS unavailable.
🔗 DNS Records
| Type | Value |
|---|---|
| A | 104.20.27.154 |
| A | 172.66.164.73 |
| TXT | google-site-verification=8RpbsDPIzbPNL4HHJqSrXSfRanlSWeB8R0KtvpPbCCI |
| NS | bill.ns.cloudflare.com |
| NS | laura.ns.cloudflare.com |