HTTP Headers Analysis for https://polyesterdinosaur.com

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=31536000

Content-Security-Policy

Basic

base-uri; object-src; script-src; +1 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Present

ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*; +6 more

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)

Performance Headers

Accept-Ranges

Performance

none

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Sec-CH-Viewport-Width, Sec-CH-DPR, Device-Memory,Accept-Encoding

accept-ranges: none
connection: close
transfer-encoding: chunked
vary: Sec-CH-Viewport-Width, Sec-CH-DPR, Device-Memory,Accept-Encoding

Caching Headers

Cache-Control

Caching

no-cache, no-store, max-age=0, must-revalidate

Expires

Caching

Mon, 01 Jan 1990 00:00:00 GMT

Pragma

Caching

no-cache

cache-control: no-cache, no-store, max-age=0, must-revalidate
expires: Mon, 01 Jan 1990 00:00:00 GMT
pragma: no-cache

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

ESF

server: ESF

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: __Secure-BUCKET=CM8H; Domain=.youtube.com; Expires=Mon, 05-Oct-2026 15:12:09 GMT; Path=/; Secure; HttpOnly; SameSite=lax
GPS=1; Domain=.youtube.com; Expires=Wed, 08-Apr-2026 15:42:09 GMT; Path=/; Secure; HttpOnly
YSC=9aHOmQGNSC0; Domain=.youtube.com; Path=/; Secure; HttpOnly; SameSite=none
__Secure-YEC=; Domain=.youtube.com; Expires=Thu, 13-Jul-2023 15:12:09 GMT; Path=/; Secure; HttpOnly; SameSite=lax
VISITOR_INFO1_LIVE=QOS5cN0J26A; Domain=.youtube.com; Expires=Mon, 05-Oct-2026 15:12:09 GMT; Path=/; Secure; HttpOnly; SameSite=none
VISITOR_PRIVACY_METADATA=CgJVUxIEGgAgPQ%3D%3D; Domain=.youtube.com; Expires=Mon, 05-Oct-2026 15:12:09 GMT; Path=/; Secure; HttpOnly; SameSite=none
__Secure-ROLLOUT_TOKEN=CKfss-byr4nR3gEQ9f_WlsXekwMY9f_WlsXekwM%3D; Domain=youtube.com; Expires=Mon, 05-Oct-2026 15:12:09 GMT; Path=/; Secure; HttpOnly; SameSite=none; Partitioned

Other Headers

Accept-Ch

Other

Sec-CH-Viewport-Width, Sec-CH-DPR, Device-Memory

Alt-Svc

Other

h3=":443"; ma=2592000,h3-29=":443"; ma=2592000

Date

Other

Wed, 08 Apr 2026 15:12:09 GMT

Document-Policy

Other

include-js-call-stacks-in-crash-reports

Origin-Trial

Other

AmhMBR6zCLzDDxpW+HfpP67BqwIknWnyMOXOQGfzYswFmJe+fgaI6XZgAzcxOrzNtP7hEDsOo1jdjFnVr2IdxQ4AAAB4eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJXZWJWaWV3WFJlcXVlc3RlZFdpdGhEZXByZWNhdGlvbiIsImV4cGlyeSI6MTc1ODA2NzE5OSwiaXNTdWJkb21haW4iOnRydWV9, AiDEBptUfVeO93q48VdVMe/ubupazdAl8AaHP+NBzdnW8quUcHdzJUyGSfrmtpKJu7EOvwRp9ug2rEo3XU+WMAMAAAB2eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJEZXZpY2VCb3VuZFNlc3Npb25DcmVkZW50aWFsczIiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlfQ==

P3p

Other

CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=en for more info."

Report-To

Other

Group youtube_main max-age: 4w

Endpoint 1 https://csp.withgoogle.com/csp/report-to/youtube_main

Reporting-Endpoints

Other

crash-reporting="/web-reports?context=eJwVzX9I3HUcx_F9fdISr_Pu-_38il3kcFI0OztFjW3IhpSMhSaMwZgLmT-Wgp6X3l2ejW0MHXNbIzfHWFk4iHJLZZVJJlZQpNamthGoZIVQoolR1jRW2Lc_HvDizYvXO2XggVh22MrYG7YOP95oPTvZZJ0vilr33olafcNRa3lr3CpLj1t1PzZbb_kPJjVvOZg0fCiFxG8plGV6uLvPw3KJh8F3PQx_4GFuwUNu7CEWS72MXPVyZN5Lz1AqpaOpdLhW_k0lv8BHvNqHJ-7j9XYf2Vd8mK99tM_7GMnwc-cNP9-v-bmQZ9N1wGau3Kb4RZtjx2xaXYUXbD67YRPot3lk0WZ-3aZlp8NskcPGPofiMoeFBoeCCYc9kw677jgkPygoDgjeSxME8wRH9wjWnxekNAjaGgU_nxQcviygVzDyoaDyY0HRtGD1F0HnH4J_7gvOSUmpkXifllREJQeuSo67PnX1d0um3pYkeiVLw5LlUUn4lmRoSvLrt5KeaUn9rCSyIOn8XdK8Lnlzk-IZrdj2sGIyoEikKdq2KZoeU-RsV4xlKq6FFIX7FddPK94_q7AuK1a-UtSMKTaPK27fVkRmFEP_m3XvPyg6Vtzuqru1oVCbNGe8mk9szS7hZqWpCmjOZWruP6V54TlNconmtUrN9hrNrTrN6Yhmd1TzRUzzSkJTd0LTc0pT0Kop7NA8eUXzUo_m1X7NpY80aYOae19q1r7TXJzR9M1qyhbd_Jcm8Lf7O8nwp2st2RD3Gpa0YecWQ5fr0XRDVoahxfX5E4aNTMPZHYZIqWHAtbbfkKg3tEcM3xw3dJ8wdJ43OJ7k8Z9mJjb7b3bdNenBREMsGquoznq5uiJ4tLEhHA1Wh6uClY210drKI3XlOaGc_FBuKD8rtKM8EvoPag3Z3g"

accept-ch: Sec-CH-Viewport-Width, Sec-CH-DPR, Device-Memory
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Wed, 08 Apr 2026 15:12:09 GMT
document-policy: include-js-call-stacks-in-crash-reports
origin-trial: AmhMBR6zCLzDDxpW+HfpP67BqwIknWnyMOXOQGfzYswFmJe+fgaI6XZgAzcxOrzNtP7hEDsOo1jdjFnVr2IdxQ4AAAB4eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJXZWJWaWV3WFJlcXVlc3RlZFdpdGhEZXByZWNhdGlvbiIsImV4cGlyeSI6MTc1ODA2NzE5OSwiaXNTdWJkb21haW4iOnRydWV9, AiDEBptUfVeO93q48VdVMe/ubupazdAl8AaHP+NBzdnW8quUcHdzJUyGSfrmtpKJu7EOvwRp9ug2rEo3XU+WMAMAAAB2eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJEZXZpY2VCb3VuZFNlc3Npb25DcmVkZW50aWFsczIiLCJleHBpcnkiOjE3NzQzMTA0MDAsImlzU3ViZG9tYWluIjp0cnVlfQ==
p3p: CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=en for more info."
report-to: {"group":"youtube_main","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube_main"}]}
reporting-endpoints: crash-reporting="/web-reports?context=eJwVzX9I3HUcx_F9fdISr_Pu-_38il3kcFI0OztFjW3IhpSMhSaMwZgLmT-Wgp6X3l2ejW0MHXNbIzfHWFk4iHJLZZVJJlZQpNamthGoZIVQoolR1jRW2Lc_HvDizYvXO2XggVh22MrYG7YOP95oPTvZZJ0vilr33olafcNRa3lr3CpLj1t1PzZbb_kPJjVvOZg0fCiFxG8plGV6uLvPw3KJh8F3PQx_4GFuwUNu7CEWS72MXPVyZN5Lz1AqpaOpdLhW_k0lv8BHvNqHJ-7j9XYf2Vd8mK99tM_7GMnwc-cNP9-v-bmQZ9N1wGau3Kb4RZtjx2xaXYUXbD67YRPot3lk0WZ-3aZlp8NskcPGPofiMoeFBoeCCYc9kw677jgkPygoDgjeSxME8wRH9wjWnxekNAjaGgU_nxQcviygVzDyoaDyY0HRtGD1F0HnH4J_7gvOSUmpkXifllREJQeuSo67PnX1d0um3pYkeiVLw5LlUUn4lmRoSvLrt5KeaUn9rCSyIOn8XdK8Lnlzk-IZrdj2sGIyoEikKdq2KZoeU-RsV4xlKq6FFIX7FddPK94_q7AuK1a-UtSMKTaPK27fVkRmFEP_m3XvPyg6Vtzuqru1oVCbNGe8mk9szS7hZqWpCmjOZWruP6V54TlNconmtUrN9hrNrTrN6Yhmd1TzRUzzSkJTd0LTc0pT0Kop7NA8eUXzUo_m1X7NpY80aYOae19q1r7TXJzR9M1qyhbd_Jcm8Lf7O8nwp2st2RD3Gpa0YecWQ5fr0XRDVoahxfX5E4aNTMPZHYZIqWHAtbbfkKg3tEcM3xw3dJ8wdJ43OJ7k8Z9mJjb7b3bdNenBREMsGquoznq5uiJ4tLEhHA1Wh6uClY210drKI3XlOaGc_FBuKD8rtKM8EvoPag3Z3g"

Recommendations

Enable compression (gzip/brotli) to improve performance