DNS Gurus
Cached · just now
21 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
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
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Accept-Ranges
Performance
bytes
Connection
Performance
close
Vary
Performance
Accept-Encoding

Caching Headers

2 headers
Age
Caching
0
Cache-Control
Caching
no-store

Content Headers

2 headers
Content-Length
Content
311354
Content-Type
Content
text/html; charset=UTF-8

Server Headers

1 headers
X-Powered-By
Server
Craft CMS

CORS Headers

1 headers
Access-Control-Allow-Origin
Cors
*

Cookies Headers

0 headers
No cookies headers found

Other Headers

8 headers
Date
Other
Thu, 15 Jan 2026 23:38:26 GMT
Link
Other
<https://www.twentythree.com/>; rel='canonical'
Via
Other
1.1 varnish
X-Cache
Other
MISS
X-Cache-Hits
Other
0
X-Robots-Tag
Other
all
X-Served-By
Other
cache-ewr-kewr1740026-EWR
X-Timer
Other
S1768520303.939259,VS0,VE3072

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology