js88.com

Scanned URL: https://js88.com

📅 Scan completed: April 16, 2026 at 11:36 PM

47
/ 100
F
Poor
Overall Domain Score
SEO 69 · LLM 27 · Perf 36
69

🔍 SEO Score

9 / 13 checks passed

27

🤖 LLM Readiness

3 / 11 checks passed

36

⚡ Performance

4 / 11 checks passed

📝 Extracted Page Tags
Title Tag
JS日本の学校|日本最大規模の学校情報サイト
Meta Description
None found
H1 Heading
日本最大規模の学校情報サイトJS日本の学校
Canonical URL
https://school.js88.com
🔍 SEO Audit
69/100
❌ Title Tag
Length: 22 chars (Ideal: 30-60).
❌ Meta Description
No description found.
✅ H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
✅ Canonical URL
Canonical URL is set.
✅ Open Graph Tags
Found 4 OG properties (4+ recommended).
✅ Indexability
Page allows indexing.
✅ Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
5 of 21 images missing alt.
✅ Sitemap
Sitemap declared.
✅ Heading Hierarchy
H1 and H2 structure detected.
✅ Internal Links
Found 357 internal links.
❌ HSTS Security
Missing HSTS header.
✅ HTTPS
Loads securely over HTTPS.
🤖 LLMO
27/100
❌ 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
Uses <main> or <article>.
❌ Entity Verification Links
No entity validation links.
Performance
36/100
Network Waterfall (Total: 2840ms)
  • DNS: 125ms
  • Connect: 367ms
  • TTFB: 1512ms
  • Download: 1328ms
❌ Time to First Byte (TTFB)
TTFB: 1512ms (Target: < 600ms).
✅ HTML Payload Size
Raw HTML: 82.2KB (Target: < 150KB).
❌ Text Compression
No Brotli/Gzip detected.
❌ Cache Policies
Missing Cache-Control headers.
❌ CDN Usage
No CDN headers found.
✅ Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
❌ Native Lazy Loading
No lazy loading detected.
✅ Minified Assets
Minified .js/.css referenced.
❌ Preload / Preconnect Hints
Missing preload/preconnect hints.
✅ Character Set
UTF-8 declared.
🛡️ Security & Blacklist
Clean
✅ Domain is clean.
✅ Spamhaus DBLVerify ↗
Lookup inconclusive — use the Verify link to check manually.
✅ SURBLVerify ↗
Not listed — no threats detected.
✅ URIBLVerify ↗
Not listed — no threats detected.
✅ Google Safe BrowsingVerify ↗
No unsafe content found per Google Safe Browsing.
⚙️ Technologies
E-Commerce
Magento
Analytics & Tracking
Google AnalyticsGoogle Tag ManagerMeta Pixel
Advertising
Google Ads
JavaScript
jQuery
Infrastructure & CDN
Nginx
📋 WHOIS
Registrar
Japan Registry Services Co., Ltd.
Registered
2000-06-07T01:13:42Z
Expires
2026-06-07T01:13:42Z
Last Updated
2025-05-07T15:21:21Z
Status
ok https://icann.org/epp#ok
Name Servers
NS-1409.AWSDNS-48.ORG, NS-1880.AWSDNS-43.CO.UK, NS-329.AWSDNS-41.COM, NS-727.AWSDNS-26.NET
🔗 DNS Records
TypeValue
A52.199.107.167
A54.250.100.149
MXinbound-smtp.us-east-1.amazonaws.com
TXTv=spf1 ip4:143.125.231.117 include:spf.haihaimail.jp ~all
TXTgoogle-site-verification=BqQBfZK-p8rKQCgMOyuAxRRYQTPHMpPKIck4k828Sjw
NSns-1409.awsdns-48.org
NSns-1880.awsdns-43.co.uk
NSns-329.awsdns-41.com
NSns-727.awsdns-26.net

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