DNS Gurus
Cached · just now
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
close
Transfer-Encoding
Performance
chunked

Caching Headers

2 headers
Cache-Control
Caching
s-maxage=36000, max-age=5
Last-Modified
Caching
Wed, 21 Jan 2026 20:34:27 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=d.RvpJ8UOvh00SR0iwJrMIh8l0iwID5gNdLcRMlyvdE-1769566133605-0.0.1.1-604800000; path=/; domain=.blog.cleeng.com; HttpOnly; Secure; SameSite=None

Other Headers

15 headers
Alt-Svc
Other
h3=":443"; ma=86400
Cf-Ray
Other
9c4cf1ce9a131747-IAD
Date
Other
Wed, 28 Jan 2026 02:08:53 GMT
Edge-Cache-Tag
Other
CT-65129503673,CG-9149945741,P-5813983,L-9593205157,L-9593375765,W-9594003465,CW-201035844121,CW-9594702830,CW-9645288965,CW-9645594262,CW-9645656097,CW-9663758519,CW-9670478994,E-9593205156,E-9593375742,MENU-9594003465,PGS-ALL,SW-3,GC-36512826547
Link
Other
</hs/hsstatic/jquery-libs/static-1.1/jquery/jquery-1.7.1.js>; rel=preload; as=script,<https://blog.cleeng.com/hubfs/hub_generated/module_assets/1/201035844121/1767862197210/module_Custom_HTML_Nav.min.css>; rel=preload; as=style,<//7052064.fs1.hubspotusercontent-na1.net/hubfs/7052064/hub_generated/template_assets/DEFAULT_ASSET/1769024819194/template_layout.min.css>; rel=preload; as=style,<https://blog.cleeng.com/hubfs/hub_generated/template_assets/1/9593375742/1764753645557/template_Cleeng_May2019-style.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=%2FgRgYB3Ml7LHhQ4pOvYV4q2pWXynPzryS4%2FstfXaLViwPBNo7jt1H%2BI1CTvEwscXmmMWXua9SQW3i94uOewXrhAbFyVd05zEvHQg2K9Fw9htBTv2Xa26hMisQTHrnSue%2Fg%3D%3D"}],"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":"BLOG_LISTING_PAGE","resolver":"PreRenderedContentResolver"}
X-Hs-Content-Id
Other
65129503673
X-Hs-Hub-Id
Other
5813983
X-Hs-Portal-Id
Other
5813983
X-Hs-Prerendered
Other
Wed, 21 Jan 2026 20:34:27 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance