Open
Cached
·
just now
20
Headers
Detected Technologies from Headers
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=31536000
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
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 X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add X-Content-Type-Options: nosniff
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
Performance Headers
Connection
close
Transfer-Encoding
chunked
Vary
accept-encoding
connection: close transfer-encoding: chunked vary: accept-encoding
Caching Headers
Age
167271
Last-Modified
Thu, 07 May 2026 19:59:51 GMT
age: 167271 last-modified: Thu, 07 May 2026 19:59:51 GMT
Content Headers
Content-Type
text/html; charset=utf-8
content-type: text/html; charset=utf-8
CORS Headers
No CORS headers found
Cookies Headers
Other Headers
Alt-Svc
h3=":443"; ma=86400
Date
Sat, 09 May 2026 18:27:42 GMT
Nel
Report-To Group
cf-nel
max-age: 1w
success: 0.0%
O2o-Cache-Status
HIT
Report-To
Other
Surrogate-Control
max-age=2147483647
Surrogate-Key
www.demodeck.com 6516d524f6982fbca9ac92f1 pageId:6516d525f6982fbca9ac9341
X-Lambda-Id
e438530f-9981-4639-a075-b2f5eddbda64
X-Wf-Region
us-east-1
alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f92c27cfe3c0812-IAD
date: Sat, 09 May 2026 18:27:42 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
o2o-cache-status: HIT
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=%2FNZpeazSrbbDsGEHFyaEQMj7ehVkFfrsmXA%2By8h7li%2BykZbMSf5tyYXNnsIdthKyP1jhXM6Ly6jU1wErMqg4MaiRa5BYMIqDdKXoY4GrHuuT5tEt7Cm5OZVgEfzLl6LeJtOx"}]}
surrogate-control: max-age=2147483647
surrogate-key: www.demodeck.com 6516d524f6982fbca9ac92f1 pageId:6516d525f6982fbca9ac9341
x-lambda-id: e438530f-9981-4639-a075-b2f5eddbda64
x-wf-region: us-east-1
Recommendations
Enable compression (gzip/brotli) to improve performance
Add Cache-Control header to optimize caching