Open
Cached
·
just now
26
Headers
Detected Technologies from Headers
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=15552000; includeSubDomains
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Missing
Not configured
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Significantly strengthen CSP directives
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Consider adding Permissions-Policy to control browser features
Performance Headers
Connection
close
Transfer-Encoding
chunked
Vary
Accept-Encoding
connection: close transfer-encoding: chunked vary: Accept-Encoding
Caching Headers
Cache-Control
private
Expires
Wed, 13 May 2026 04:41:05 GMT
cache-control: private expires: Wed, 13 May 2026 04:41:05 GMT
Content Headers
Content-Type
text/html; charset=utf-8
content-type: text/html; charset=utf-8
Server Headers
Server
cloudflare
server: cloudflare
CORS Headers
No CORS headers found
Cookies Headers
Other Headers
Alt-Svc
h3=":443"; ma=86400
Cf-Cache-Status
DYNAMIC
Cf-Ray
9faefd20ea5dd657-IAD
Date
Wed, 13 May 2026 04:41:05 GMT
Origin-Agent-Cluster
?1
Speculation-Rules
"/cdn-cgi/speculation"
X-Dns-Prefetch-Control
off
X-Download-Options
noopen
X-Emaps-Host
app.electricitymaps.com
X-Permitted-Cross-Domain-Policies
none
alt-svc: h3=":443"; ma=86400 cf-cache-status: DYNAMIC cf-ray: 9faefd20ea5dd657-IAD date: Wed, 13 May 2026 04:41:05 GMT origin-agent-cluster: ?1 speculation-rules: "/cdn-cgi/speculation" x-dns-prefetch-control: off x-download-options: noopen x-emaps-host: app.electricitymaps.com x-permitted-cross-domain-policies: none
Recommendations
Enable compression (gzip/brotli) to improve performance