HTTP Headers Analysis for https://mc.403.exacttarget.com

Detected Technologies from Headers

See all in URL Inspect 1

Google Analytics

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Strong

default-src; script-src; img-src; +2 more Analyze

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 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

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

Accept-Encoding

accept-ranges: bytes
connection: close
vary: Accept-Encoding

Caching Headers

Cache-Control

Caching

no-cache, no-store

Etag

Caching

W/"420-19ef48be770"

Expires

Caching

-1

Last-Modified

Caching

Tue, 23 Jun 2026 12:54:30 GMT

Pragma

Caching

no-cache

cache-control: no-cache, no-store
etag: W/"420-19ef48be770"
expires: -1
last-modified: Tue, 23 Jun 2026 12:54:30 GMT
pragma: no-cache

Content Headers

Content-Length

Content

1056

Content-Type

Content

text/html; charset=utf-8

content-length: 1056
content-type: text/html; charset=utf-8

Server Headers

No server headers found

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: hub_new=1; Path=/
hub_mcn=1; Path=/

Other Headers

Date

Other

Fri, 31 Jul 2026 12:49:06 GMT

P3p

Other

policyref="http://pages.exacttarget.com/page.aspx?QS=330c754b5e92df74cf6675798b4159946dab33040502ce179f6e05b2a423e51a", CP="OTI DSP COR CURa ADMa DEVa IVAa IVDa HISa OTPa OUR IND INT"

X-Dns-Prefetch-Control

Other

off

X-Download-Options

Other

noopen

X-Permitted-Cross-Domain-Policies

Other

none

date: Fri, 31 Jul 2026 12:49:06 GMT
p3p: policyref="http://pages.exacttarget.com/page.aspx?QS=330c754b5e92df74cf6675798b4159946dab33040502ce179f6e05b2a423e51a", CP="OTI DSP COR CURa ADMa DEVa IVAa IVDa HISa OTPa OUR IND INT"
x-dns-prefetch-control: off
x-download-options: noopen
x-permitted-cross-domain-policies: none

Recommendations

Enable compression (gzip/brotli) to improve performance