HTTP Headers Analysis for https://docs.delta.exchange

Detected Technologies from Headers

See all in URL Inspect 4

Cloudflare CDN Active incidents

Fastly

GitHub Active incidents

Varnish

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=15552000; includeSubDomains

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Good

nosniff

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 Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

connection: close
transfer-encoding: chunked
vary: Accept-Encoding

Caching Headers

Age

Caching

0

Cache-Control

Caching

max-age=600

Expires

Caching

Tue, 28 Apr 2026 21:06:19 GMT

Last-Modified

Caching

Mon, 20 Apr 2026 12:02:53 GMT

age: 0
cache-control: max-age=600
expires: Tue, 28 Apr 2026 21:06:19 GMT
last-modified: Mon, 20 Apr 2026 12:02:53 GMT

Content Headers

Content-Type

Content

text/html; charset=utf-8

content-type: text/html; charset=utf-8

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

Access-Control-Allow-Origin

Cors

*

access-control-allow-origin: *

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f38f90e6edbd6cf-IAD

Date

Other

Tue, 28 Apr 2026 20:56:19 GMT

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=46,cfOrigin;dur=39

Via

Other

1.1 varnish

X-Cache

Other

MISS

X-Cache-Hits

Other

0

X-Fastly-Request-Id

Other

77d71b7597277ff541e302882bf03652d0519e64

X-Github-Request-Id

Other

E70A:7B27F:4396FC:4A902A:69F11EF2

X-Proxy-Cache

Other

MISS

X-Served-By

Other

cache-iad-kiad7000034-IAD

X-Timer

Other

S1777409779.000127,VS0,VE32

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f38f90e6edbd6cf-IAD
date: Tue, 28 Apr 2026 20:56:19 GMT
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=46,cfOrigin;dur=39
via: 1.1 varnish
x-cache: MISS
x-cache-hits: 0
x-fastly-request-id: 77d71b7597277ff541e302882bf03652d0519e64
x-github-request-id: E70A:7B27F:4396FC:4A902A:69F11EF2
x-proxy-cache: MISS
x-served-by: cache-iad-kiad7000034-IAD
x-timer: S1777409779.000127,VS0,VE32

Recommendations

Enable compression (gzip/brotli) to improve performance