HTTP Headers Analysis for https://develop.tracking.sendnow.eu

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31556926

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

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

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

x-fh-requested-host, accept-encoding

connection: close
transfer-encoding: chunked
vary: x-fh-requested-host, accept-encoding

Caching Headers

Cache-Control

Caching

max-age=3600

Last-Modified

Caching

Thu, 03 Sep 2026 15:56:06 GMT

cache-control: max-age=3600
last-modified: Thu, 03 Sep 2026 15:56:06 GMT

Content Headers

Content-Type

Content

text/html; charset=utf-8

content-type: text/html; charset=utf-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a3572fbf99db7b43-WAW

Date

Other

Thu, 03 Sep 2026 19:33:30 GMT

Nel

Other

Report-To Group cf-nel max-age: 1w

success: 0.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=BpKhnKquJ8VafIEM25QF4ImGa4vh4rAG7fE68uR6icF2tv0eHo5r%2BMLrGofRG25p9IkChlG%2B1Cy8v3V1Tajl6Xy7SgELbHp996XtC08yhw49WbOTnJGqt2r%2BkB3ghjCbXJzFCy1O7Ix0GCwoZ54%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=35,cfOrigin;dur=120

X-Cache

Other

MISS

X-Cache-Hits

Other

0

X-Served-By

Other

cache-ber1080034-BER

X-Timer

Other

S1788464010.259630,VS0,VE57

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a3572fbf99db7b43-WAW
date: Thu, 03 Sep 2026 19:33:30 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=BpKhnKquJ8VafIEM25QF4ImGa4vh4rAG7fE68uR6icF2tv0eHo5r%2BMLrGofRG25p9IkChlG%2B1Cy8v3V1Tajl6Xy7SgELbHp996XtC08yhw49WbOTnJGqt2r%2BkB3ghjCbXJzFCy1O7Ix0GCwoZ54%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=35,cfOrigin;dur=120
x-cache: MISS
x-cache-hits: 0
x-served-by: cache-ber1080034-BER
x-timer: S1788464010.259630,VS0,VE57

Recommendations

Enable compression (gzip/brotli) to improve performance