DNS Gurus
Cached · just now
19 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=300
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
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
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

4 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
Accept-Encoding, Cookie, Cookie

Caching Headers

2 headers
Age
Caching
0
Cache-Control
Caching
public, max-age=31622400

Content Headers

1 headers
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
Server
Server
nginx

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
STYXKEY_pll_language=en; expires=Sat, 16 Jan 2027 14:51:27 GMT; Max-Age=31536000; path=/; domain=doodlelearning.com; secure; SameSite=Lax

Other Headers

9 headers
Date
Other
Fri, 16 Jan 2026 14:51:30 GMT
Link
Other
<https://doodlelearning.com/>; rel=shortlink
Via
Other
1.1 varnish, 1.1 varnish
X-Cache
Other
MISS, MISS
X-Cache-Hits
Other
0, 0
X-Pantheon-Styx-Hostname
Other
styx-fe1fe2-c-55564b8f4-vxjxt
X-Served-By
Other
cache-ams21082-AMS, cache-ewr-kewr1740066-EWR
X-Styx-Req-Id
Other
d5e0bf27-f2ea-11f0-a8cd-a2eb52b97551
X-Timer
Other
S1768575087.253051,VS0,VE3018

Recommendations

Enable compression (gzip/brotli) to improve performance