Open
Cached
·
just now
34
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
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 Strict-Transport-Security header with max-age of at least 1 year
- • 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
keep-alive
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding
Caching Headers
4 headers
Age
Caching
6312
Cache-Control
Caching
max-age=1200
Etag
Caching
W/"a6f073b5cd84f910e76715daef43a16b"
Last-Modified
Caching
Wed, 03 Sep 2025 07:32:08 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=yN.k8YJlfrsUMn6ma_TY7aIXEDJhij21usxL4ik_7Xo-1762160934062-0.0.1.1-604800000; path=/; domain=.about.readthedocs.com; 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
998abacdaa72e647-IAD
Date
Other
Mon, 03 Nov 2025 09:08:54 GMT
X-Amz-Id-2
Other
brrJESNzLMQl30d3tAZSkwvaJLJzkX8T5cO2HNwBcfvw0w5scZqF0SctOOkt2VCXEaNhrE3elFo=
X-Amz-Meta-Mtime
Other
1756884722.6250834
X-Amz-Request-Id
Other
82TEQBFSGC6K7YNF
X-Amz-Server-Side-Encryption
Other
AES256
X-Backend
Other
web-i-0006a1b7b0efe672f
X-Rtd-Domain
Other
about.readthedocs.com
X-Rtd-Force-Addons
Other
true
X-Rtd-Path
Other
/proxito/html/readthedocs-about/latest/index.html
X-Rtd-Project
Other
readthedocs-about
X-Rtd-Project-Method
Other
custom_domain
X-Rtd-Resolver-Filename
Other
/
X-Rtd-Version
Other
latest
X-Rtd-Version-Method
Other
path
X-Served
Other
Nginx-Proxito-Sendfile
Recommendations
Enable compression (gzip/brotli) to improve performance
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