DNS Gurus
Open Cached · 2h ago
25 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Weak
upgrade-insecure-requests
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Significantly strengthen CSP directives
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

2 headers
Connection
Performance
keep-alive
Transfer-Encoding
Performance
chunked

Caching Headers

2 headers
Cache-Control
Caching
s-maxage=36000, max-age=5
Last-Modified
Caching
Mon, 03 Nov 2025 21:30:15 GMT

Content Headers

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

Server Headers

1 headers
Server
Server
cloudflare

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
_cfuvid=AeDXHQQ5cjnO0oCnjmIHi8vck600Ju20lKIojGawlnM-1762279516770-0.0.1.1-604800000; path=/; domain=.www.linuxfoundation.org; HttpOnly; Secure; SameSite=None

Other Headers

15 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Ray
Other
999609e36be70575-IAD
Date
Other
Tue, 04 Nov 2025 18:05:16 GMT
Edge-Cache-Tag
Other
CT-198379695501,CT-83164354175,P-8112310,CW-76935915621,CW-77282812948,CW-77362524751,CW-82818538563,CW-83161916809,CW-83161917017,CW-83221544887,CW-83223551658,CW-83223551786,CW-83269086742,CW-98141763891,DB-5450355,E-55376723732,E-77282239896,E-77282240621,E-77283004266,E-77283115060,E-77283435922,E-80245626652,E-80445472785,E-83262608709,E-85121828485,PGS-ALL,SW-1,GC-148963595109,GC-76940506482,GC-77362378886,TS-77283577136
Link
Other
<https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.2/css/all.min.css>; rel=preload; as=style,<https://www.linuxfoundation.org/hubfs/hub_generated/template_assets/1/77282239896/1743072567927/template_magnific.min.css>; rel=preload; as=style,<https://www.linuxfoundation.org/hubfs/hub_generated/template_assets/1/85121828485/1743072624719/template_mega-header.min.css>; rel=preload; as=style,<https://www.linuxfoundation.org/hubfs/hub_generated/template_assets/1/77283435922/1743072603937/template_main.min.css>; rel=preload; as=style,<https://www.linuxfoundation.org/hubfs/hub_generated/module_assets/1/83161917017/1743138674866/module_Counter_w_Links.min.css>; rel=preload; as=style,<https://www.linuxfoundation.org/hubfs/hub_generated/module_assets/1/98141763891/1743138714638/module_Linux_Foundation_Members_API.min.css>; rel=preload; as=style,<https://www.linuxfoundation.org/hubfs/hub_generated/module_assets/1/83223551786/1743138679316/module_Two_Column_Blocks.min.css>; rel=preload; as=style
Nel
Other
{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
Report-To
Other
{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=BsqnVvv1D%2FYPhJixyjQ1ksPxpBoAtEDWRDAZLRh3Aq2zf9MACE9kmiIefmcZNKPXYb%2FlhImhWoUIqsqbFOnKBYby%2BLLuJUhSuI5l%2B29cmnVqAYxQ5eQbwpBtrq4DW2TV20DRs%2BzyLZKr"}],"group":"cf-nel","max_age":604800}
X-Hs-Cache-Config
Other
BrowserCache-5s-EdgeCache-180s
X-Hs-Cache-Control
Other
s-maxage=36000, max-age=0
X-Hs-Cf-Cache-Status
Other
HIT
X-Hs-Cfworker-Meta
Other
{"contentType":"SITE_PAGE","resolver":"PreRenderedContentResolver"}
X-Hs-Content-Id
Other
83164354175
X-Hs-Hub-Id
Other
8112310
X-Hs-Portal-Id
Other
8112310
X-Hs-Prerendered
Other
Mon, 03 Nov 2025 21:30:15 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance

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