jb51.net
Scanned URL: https://jb51.net
38
🔍 SEO Score
5 / 13 checks passed
9
🤖 LLM Readiness
1 / 11 checks passed
45
⚡ Performance
5 / 11 checks passed
📝 Extracted Page Tags
Title Tag
脚本之家_www.jb51.net
Meta Description
脚本之家是国内专业的网站建设资源、脚本编程学习类网站，提供asp、php、asp.net、javascript、jquery、vbscript、dos批处理、网页制作、网络编程、网站建设等编程资料。
H1 Heading
None found
Canonical URL
None found
🔍 SEO Audit
38/100❌ Title Tag
Length: 17 chars (Ideal: 30-60).
✅ Meta Description
Length: 99 chars (Ideal: 50-160).
❌ H1 Tag
Found 0 H1 tags. Exactly 1 is recommended.
❌ Canonical URL
Missing canonical tag.
❌ Open Graph Tags
Found 0 OG properties (4+ recommended).
✅ Indexability
Page allows indexing.
✅ Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
34 of 38 images missing alt.
❌ Sitemap
No sitemap found in robots.txt.
❌ Heading Hierarchy
Missing H1 or H2 tags.
✅ Internal Links
Found 568 internal links.
❌ HSTS Security
Missing HSTS header.
✅ HTTPS
Loads securely over HTTPS.
🤖 LLMO
9/100❌ 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
Missing <html> lang attribute.
❌ Semantic Structure
No semantic HTML5 wrappers.
❌ Entity Verification Links
No entity validation links.
⚡ Performance
45/100Network Waterfall (Total: 4906ms)
- DNS: 1510ms
- Connect: 1683ms
- TTFB: 3036ms
- Download: 1870ms
❌ Time to First Byte (TTFB)
TTFB: 3036ms (Target: < 600ms).
✅ HTML Payload Size
Raw HTML: 23.8KB (Target: < 150KB).
✅ Text Compression
Compression enabled (gzip).
❌ 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.
⚙️ Technologies
E-Commerce
Magento
JavaScript
jQuery
📋 WHOIS
Registrar
Chengdu West Dimension Digital Technology Co., Ltd.
Registered
2006-07-22
Expires
2034-05-15
Last Updated
2026-01-09
Status
active
Name Servers
vip3.alidns.com, vip4.alidns.com
🔗 DNS Records
| Type | Value |
|---|---|
| A | 104.143.94.231 |
| A | 194.147.100.3 |
| A | 202.5.31.236 |
| A | 202.5.31.251 |
| A | 104.143.94.227 |
| MX | mxbiz1.qq.com |
| MX | mxbiz2.qq.com |
| TXT | v=spf1 include:spf.mail.qq.com ~all |
| NS | vip3.alidns.com |
| NS | vip4.alidns.com |