Open
Cached
·
just now
24
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Weak
max-age=0
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Add Content-Security-Policy header to prevent XSS attacks
- • Consider adding Permissions-Policy to control browser features
Performance Headers
2 headers
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding
Caching Headers
1 headers
Cache-Control
Caching
max-age=0, private, must-revalidate
Content Headers
1 headers
Content-Type
Content
text/html; charset=utf-8
Server Headers
2 headers
Server
Server
cloudflare
X-Runtime
Server
0.145756
CORS Headers
0 headers
No CORS headers found
Cookies Headers
1 headers
Set-Cookie
Cookies
_cfuvid=CUtT1MSOSsTOcAied_UDyxPJbHJ0NT3_k.6LswMpiRo-1763169329907-0.0.1.1-604800000; path=/; domain=.teachable.com; HttpOnly; Secure; SameSite=None
Other Headers
12 headers
Alt-Svc
Other
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
99eae5d6c8147abe-IAD
Date
Other
Sat, 15 Nov 2025 01:15:29 GMT
Speculation-Rules
Other
"/cdn-cgi/speculation"
Via
Other
1.1 google
X-Download-Options
Other
noopen
X-Fedora-School-Id
Other
625644
X-Gcp-Cdn-Cache-Id
Other
IAD
X-Gcp-Cdn-Cache-Status
Other
miss
X-Permitted-Cross-Domain-Policies
Other
none
X-Request-Id
Other
ad15d6cf-7ff5-421d-aec0-46e1f69e7ddb
Recommendations
Enable compression (gzip/brotli) to improve performance
Analysis completed in 486ms