Open
Cached
·
just now
23
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; frame-src; script-src; +6 more
default-src 'none'; frame-src data: *; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://maps.googleapis.com http://cdn.embedly.com https://www.youtube.com https://apis.google.com https://js.stripe.com https://*.sentry-cdn.com https://raw.githack.com https://www.gstatic.com https://player.3qsdn.com; style-src 'self' data: 'unsafe-inline' https://fonts.googleapis.com http://cdn.embedly.com https://cdn.jsdelivr.net https://*.3qsdn.com; font-src 'self' data: https://fonts.gstatic.com http://cdn.embedly.com https://*.3qsdn.com; media-src 'self' data: blob: https://*; img-src 'self' data: blob: https://*; connect-src 'self' https://storage.googleapis.com/ data: blob: http://localhost:* https://*.cloudfunctions.net https://*.googleapis.com http://api-cdn.embed.ly https://api-cdn.embed.ly https://vimeo.com https://cdn.aframe.io https://*.sentry.io https://*.schulverlag.ch https://*.neocities.org https://ar-js-org.github.io https://raw.githubusercontent.com https://go.int.edulog.ch https://go.edulog.ch https://plausible.io https://www.gstatic.com https://*.3qsdn.com https://*.hazu.swiss; manifest-src 'self';
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
Performance Headers
3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
cookie,need-authorization, x-fh-requested-host, accept-encoding
Caching Headers
2 headers
Cache-Control
Caching
public, max-age=0, s-maxage=10800
Etag
Caching
W/"451f-1xV2x0Exl9rWi+e5UR4p4zmxOnQ"
Content Headers
2 headers
Content-Length
Content
17695
Content-Type
Content
text/html; charset=utf-8
Server Headers
2 headers
Server
Server
Google Frontend
X-Powered-By
Server
Express
CORS Headers
1 headers
Access-Control-Allow-Origin
Cors
*
Cookies Headers
0 headers
No cookies headers found
Other Headers
9 headers
Alt-Svc
Other
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=86400
Date
Other
Wed, 14 Jan 2026 07:18:45 GMT
Function-Execution-Id
Other
tjfm35chs4c4
X-Cache
Other
HIT
X-Cache-Hits
Other
0
X-Cloud-Trace-Context
Other
16a0206b1656169850d88d438508b0ac
X-Country-Code
Other
US
X-Served-By
Other
cache-iad-kcgs7200146-IAD
X-Timer
Other
S1768375125.893028,VS0,VE496
Recommendations
Enable compression (gzip/brotli) to improve performance
Consider removing X-Powered-By header to hide server technology