Open
Cached
·
just now
21
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Missing
Not configured
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Strict-Transport-Security header with max-age of at least 1 year
- • Add Content-Security-Policy header to prevent XSS attacks
- • 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
Connection
Performance
keep-alive
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding
Caching Headers
2 headers
Age
Caching
134
Cache-Control
Caching
s-maxage=14400, stale-while-revalidate
Content Headers
1 headers
Content-Type
Content
text/html; charset=utf-8
Server Headers
1 headers
Server
Server
cloudflare
CORS Headers
0 headers
No CORS headers found
Cookies Headers
1 headers
Set-Cookie
Cookies
__cfruid=4e861a92de0de4b1136c749a25936f8ec02de573-1762135527; path=/; domain=.udemy.com; HttpOnly; Secure; SameSite=None
Other Headers
12 headers
Cf-Cache-Status
Other
HIT
Cf-Ray
Other
99884e87fc976fe9-IAD
Date
Other
Mon, 03 Nov 2025 02:05:27 GMT
X-Cf-Worker-Deploy-Env
Other
production
X-Cf-Worker-Locale
Other
en
X-Cf-Worker-Name
Other
worker-udemy-com
X-Cf-Worker-Origin-Status-Code
Other
200
X-Cf-Worker-Version
Other
6ecc6d8
X-Envoy-Upstream-Service-Time
Other
7
X-Nextjs-Cache
Other
HIT
X-Nextjs-Pagekey
Other
discovery_logged_out_home
X-Nextjs-Version
Other
8a001de
Recommendations
Enable compression (gzip/brotli) to improve performance
Analysis completed in 163ms