dahe.cn
Sponsored
Hosting Provider
IP Address
125.46.11.161
Server Location
🇨🇳 Zhengzhou, China
ASN
AS4837
Server
Nginx
Nameservers
Performance
Page Speed
Architecture Stack
SEO Analysis
403 Forbidden
No description available for this page.
Recommended: 50-60 chars
Recommended: 120-160 chars
Issues (3)
- • Missing meta description - important for click-through rates
- • Missing H1 tag - every page should have one H1
- • Missing viewport meta tag - page may not be mobile-friendly
8 issues found
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Security Score
HTTPS
No WAF
308d
Certificate Details
Type
Organization Validated (OV)
Certificate Authority
WoTrus CA Limited
Key Algorithm
RSA (2048 bit)
Signature
SHA-256 with RSA
TLS Version
TLSv1.2
HTTP Protocol
HTTP/1.1
Valid From
25.11.2025
Valid Until
25.12.2026
OCSP Stapling
Enabled
Subject Alternative Names (2)
SHA-256 Fingerprint
01:DF:98:52:2D:3E:9C:17:5D:EC:16:C8:C2:45:16:42:51:80:8C:B9...
Recommendations
Security recommendation preview
HTTP Headers
Developer Console
Email Infrastructure
Custom Mail Server
Score
20
MX Records (2)
Domain Information
dahe.cn
Typography & Readability
Times New Roman
16px · LH --
Contrast: undefined
1 font
Heading Font
Times New Roman
Body Font
Times New Roman
Contrast Ratio
--
Reading Comfort
~80 CPL
Optimal (45–75)✅ Excellent readability: 16px body text is ideal for all devices.
✅ Good performance: Using 1 font families keeps load times fast.
✅ Optimal line length: ~80 characters per line is comfortable to read.
✅ Clean layout: Consistent left alignment throughout.
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Historical Analysis & Change Tracking