HTTP Headers Analysis for https://notebook.google

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Weak

require-trusted-types-for; report-uri; object-src; +3 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

• Add Strict-Transport-Security header with max-age of at least 1 year
• Significantly strengthen CSP directives
• 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-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site,Accept-Encoding

accept-ranges: none
connection: close
transfer-encoding: chunked
vary: Sec-Fetch-Dest, Sec-Fetch-Mode, Sec-Fetch-Site,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

No cookies headers found

Other Headers

Accept-Ch

Other

Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version

Alt-Svc

Other

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

Date

Other

Tue, 06 Oct 2026 16:23:49 GMT

Reporting-Endpoints

Other

default="/_/LabsTailwindMarketing/web-reports?context=eJzj0tHikmJw1JBiKJK4wtoExN-KfdnYSnzZWN76sx1IDGULOBLB9t85mo3RJZpNiJtj6sEp19gEXkxcZ6qklZRfGJ-TmFSsW5KYmVOemZeim5tYlJ1akpmXHm9kYGRmaGBgomdgFF9gAABdZCC_"

X-Ua-Compatible

Other

IE=edge

accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Model, Sec-CH-UA-WoW64, Sec-CH-UA-Form-Factors, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Tue, 06 Oct 2026 16:23:49 GMT
reporting-endpoints: default="/_/LabsTailwindMarketing/web-reports?context=eJzj0tHikmJw1JBiKJK4wtoExN-KfdnYSnzZWN76sx1IDGULOBLB9t85mo3RJZpNiJtj6sEp19gEXkxcZ6qklZRfGJ-TmFSsW5KYmVOemZeim5tYlJ1akpmXHm9kYGRmaGBgomdgFF9gAABdZCC_"
x-ua-compatible: IE=edge

Recommendations

Enable compression (gzip/brotli) to improve performance