DNS Gurus
Cached · just now
34 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding

Caching Headers

3 headers
Cache-Control
Caching
max-age=1200
Etag
Caching
W/"45a3781af3bd3130c50054cafeafd00d"
Last-Modified
Caching
Fri, 19 Dec 2025 15:37:09 GMT

Content Headers

1 headers
Content-Type
Content
text/html; charset=utf-8

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

2 headers
Access-Control-Allow-Methods
Cors
HEAD, OPTIONS, GET
Access-Control-Allow-Origin
Cors
*

Cookies Headers

1 headers
Set-Cookie
Cookies
_cfuvid=Gz2g4fAxefnn.oIHG1CWpO.GMVZ4LNJ7_uvAwEyAiMg-1766204538662-0.0.1.1-604800000; path=/; domain=.readthedocs.io; HttpOnly; Secure; SameSite=None

Other Headers

19 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cdn-Cache-Control
Other
public
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
9b0c5b9e3e96d698-IAD
Date
Other
Sat, 20 Dec 2025 04:22:18 GMT
X-Amz-Id-2
Other
xNBG2pMnWNtp9OgJ4bkvzpFr8Gg6UEQ6v0JISB5V5sVNVCtAayPuzZeNj3zdSQKvjKxuFlsekjo=
X-Amz-Meta-Mtime
Other
1766158606.01304796
X-Amz-Request-Id
Other
XXGS3207V2EYRTV9
X-Amz-Server-Side-Encryption
Other
AES256
X-Backend
Other
web-i-0bd3aa023e3042156
X-Rtd-Domain
Other
jqm.readthedocs.io
X-Rtd-Force-Addons
Other
true
X-Rtd-Path
Other
/proxito/html/jqm/jqm-all-3.2.0/index.html
X-Rtd-Project
Other
jqm
X-Rtd-Project-Method
Other
public_domain
X-Rtd-Resolver-Filename
Other
/
X-Rtd-Version
Other
jqm-all-3.2.0
X-Rtd-Version-Method
Other
path
X-Served
Other
Nginx-Proxito-Sendfile

Recommendations

Enable compression (gzip/brotli) to improve performance

Analysis completed in 378ms