Open
Cached
·
just now
24
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31536000; includeSubDomains; preload
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
Performance Headers
2 headers
Connection
Performance
keep-alive
Transfer-Encoding
Performance
chunked
Caching Headers
2 headers
Cache-Control
Caching
private, no-cache, no-store, must-revalidate, max-age=0
Etag
Caching
W/"9204d-I4upo7UCWG9rwyeARAAuNxo9YuI"
Content Headers
1 headers
Content-Type
Content
text/html
Server Headers
2 headers
Server
Server
envoy
X-Powered-By
Server
Express
CORS Headers
0 headers
No CORS headers found
Cookies Headers
1 headers
Set-Cookie
Cookies
__204u=8911024062-1762135190255; Max-Age=31536000; Expires=Tue, 03 Nov 2026 01:59:50 GMT; Path=/; Domain=.coursera.org
Other Headers
12 headers
Date
Other
Mon, 03 Nov 2025 01:59:50 GMT
Traceresponse
Other
00-9997a0d7fdef859f551d526333048206-e83eb93bd8b640ec-00
Via
Other
1.1 841dfa6074cf4b3b0718988f088a4ac2.cloudfront.net (CloudFront)
X-Amz-Cf-Id
Other
ZTNxJ-go7Mz7LLMgkB-0yB30kjhX4uDTboAhM3PUwkVK5seztKyVTw==
X-Amz-Cf-Pop
Other
IAD89-C1
X-Cache
Other
Miss from cloudfront
X-Coursera-Appname
Other
front-page
X-Coursera-Render-Mode
Other
html
X-Coursera-Render-Version
Other
v2
X-Coursera-Request-Id
Other
yB4xWrhYEfCpfQ6DbOi0fQ
X-Coursera-Trace-Id-Hex
Other
67d3c09d7349cbf5
X-Envoy-Upstream-Service-Time
Other
200
Recommendations
Enable compression (gzip/brotli) to improve performance
Consider removing X-Powered-By header to hide server technology
Analysis completed in 418ms