Open
Cached
·
just now
25
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
X-Frame-Options
Excellent
DENY
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
- • Consider adding 'preload' to HSTS for maximum security
- • 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
none
Connection
close
Transfer-Encoding
chunked
Vary
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
no-cache, no-store, max-age=0, must-revalidate
Expires
Mon, 01 Jan 1990 00:00:00 GMT
Pragma
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
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
Other Headers
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
Cross-Origin-Opener-Policy-Report-Only
same-origin; report-to="AccountsSignInUi"
Date
Sat, 09 May 2026 00:42:28 GMT
Report-To
Group
AccountsSignInUi
max-age: 4w
Reporting-Endpoints
default="/v3/signin/_/AccountsSignInUi/web-reports?context=eJwNw11IU3EcBuA1_b2ICUmukl1EDKIWzE4DV1ARMkLMs-2s_6QIajo2cSE7tR2FPi6MchdeBApuIF1EBJlRQfRFN0UUZpGWLloru7IPsegDk4hFvQ881XMVm6qdNn2j0_bAdc_edHDOvptzNfP2Ee5_Myl5ti5MSZYH-BzvHHshTdzV_lK6ecu6afGzOTItGdb3zYjBg46CDHO6viBn2L2tIB6OnX8lnfzIXZQn_PN4URwniuJfKkozry69FSdPFN7Jc7ZtmJVK3pWfFT-X-1pgO9WC7LJWDPDn5lZ84ZseHXf50oyOoY86cuxuCMDDB5IBHOKlTABVVgAL2SC-8ZXhIK7z1sEQtvO12yHc4MqvITjDBtbyenazl33cfthAnC-fNnCVS_yeU3cMpPnxawMTPF428IyfdocxyRfPhjHK5v0wMrzi1l7U8fdVCotcW6_g4CGXQo5_-BR-8Z4dCkEea1P40KEwz7-5zHUxhTX86a_CAvf-UzBPRqDnI4gsb8N-XllTtdj_Zwq1o32lhxWuzTHzaDQZT6SspHWsM22mrEQq3tFjdfUkM4l0byId9Wpen9aoNTZoWvSI9h8Dwsjb"
X-Auto-Login
realm=com.google&args=continue%3Dhttps://sites.google.com/circle.com/wiki
X-Ua-Compatible
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
cross-origin-opener-policy-report-only: same-origin; report-to="AccountsSignInUi"
date: Sat, 09 May 2026 00:42:28 GMT
report-to: {"group":"AccountsSignInUi","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/AccountsSignInUi"}]}
reporting-endpoints: default="/v3/signin/_/AccountsSignInUi/web-reports?context=eJwNw11IU3EcBuA1_b2ICUmukl1EDKIWzE4DV1ARMkLMs-2s_6QIajo2cSE7tR2FPi6MchdeBApuIF1EBJlRQfRFN0UUZpGWLloru7IPsegDk4hFvQ881XMVm6qdNn2j0_bAdc_edHDOvptzNfP2Ee5_Myl5ti5MSZYH-BzvHHshTdzV_lK6ecu6afGzOTItGdb3zYjBg46CDHO6viBn2L2tIB6OnX8lnfzIXZQn_PN4URwniuJfKkozry69FSdPFN7Jc7ZtmJVK3pWfFT-X-1pgO9WC7LJWDPDn5lZ84ZseHXf50oyOoY86cuxuCMDDB5IBHOKlTABVVgAL2SC-8ZXhIK7z1sEQtvO12yHc4MqvITjDBtbyenazl33cfthAnC-fNnCVS_yeU3cMpPnxawMTPF428IyfdocxyRfPhjHK5v0wMrzi1l7U8fdVCotcW6_g4CGXQo5_-BR-8Z4dCkEea1P40KEwz7-5zHUxhTX86a_CAvf-UzBPRqDnI4gsb8N-XllTtdj_Zwq1o32lhxWuzTHzaDQZT6SspHWsM22mrEQq3tFjdfUkM4l0byId9Wpen9aoNTZoWvSI9h8Dwsjb"
x-auto-login: realm=com.google&args=continue%3Dhttps://sites.google.com/circle.com/wiki
x-ua-compatible: IE=edge
Recommendations
Enable compression (gzip/brotli) to improve performance