DNS Gurus
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14 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Present
ALLOW-FROM http://localhost:6001/|https://op.test.shuqireader.com/|https://op.pre.shuqireader.com/|https://op.11222.cn/
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

0 headers
No caching headers found

Content Headers

2 headers
Content-Length
Content
346172
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
Tengine/2.1.3_400

CORS Headers

0 headers
No CORS headers found

Cookies Headers

0 headers
No cookies headers found

Other Headers

4 headers
Date
Other
Wed, 07 Jan 2026 20:01:11 GMT
X-Download-Options
Other
noopen
X-Readtime
Other
202
X-Server-Id
Other
0e241fdcd6ed5938c3a80563ecbb2f0460dae698f64c4840ad9d69ac8059db3a9043f59e6815c800

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching