Open
Cached
·
just now
16
Headers
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; script-src; style-src; +8 more
default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.googletagmanager.com https://www.google-analytics.com; style-src 'self' 'unsafe-inline'; frame-src 'self' https://player.vimeo.com; connect-src 'self' https://www.google-analytics.com https://www.googletagmanager.com https://blog.voltlines.com https://analytics.google.com https://api.voltlines.com https://api.staging.voltlines.com ; img-src 'self' https://www.google-analytics.com https://i.vimeocdn.com data:; font-src 'self'; media-src 'self' https://player.vimeo.com; object-src 'none'; base-uri 'self'; form-action 'self';
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
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Consider adding Permissions-Policy to control browser features
Performance Headers
3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
RSC, Next-Router-State-Tree, Next-Router-Prefetch, Accept-Encoding
Caching Headers
1 headers
Cache-Control
Caching
private, no-cache, no-store, max-age=0, must-revalidate
Content Headers
1 headers
Content-Type
Content
text/html; charset=utf-8
Server Headers
2 headers
Server
Server
istio-envoy
X-Powered-By
Server
Next.js
CORS Headers
0 headers
No CORS headers found
Cookies Headers
0 headers
No cookies headers found
Other Headers
4 headers
Date
Other
Mon, 12 Jan 2026 07:42:34 GMT
Link
Other
<http://www.voltlines.com/tr>; rel="alternate"; hreflang="tr", <http://www.voltlines.com/en>; rel="alternate"; hreflang="en", <http://www.voltlines.com/>; rel="alternate"; hreflang="x-default"
X-Envoy-Upstream-Service-Time
Other
88
X-Middleware-Rewrite
Other
/tr
Recommendations
Enable compression (gzip/brotli) to improve performance
Consider removing X-Powered-By header to hide server technology