HTTP Headers Analysis for https://relay.300code.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63072000; includeSubDomains; preload

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

no-referrer-when-downgrade

Permissions-Policy

Missing

Not configured

Recommendations

• Add Content-Security-Policy header to prevent XSS attacks
• 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

Cache-Control

Caching

no-cache, private

cache-control: no-cache, private

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

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: XSRF-TOKEN=eyJpdiI6IlI2YmFuM1pQUUhQMUh6clJ0VWxxd0E9PSIsInZhbHVlIjoiK1dZUWRPanBPb1d3ME9MMWl5elZwdjMzRUQrNm9yU0MxcGdZL1ZFSUxTNzU5cmM0NDRMUENuZWdQdWc3cUYrOUE5d3RvdWE5WmtHS3hNdDVIUVNzL1h5bTk2TWppWXRaY3ZPWVF3UUJGaDFvRzlRRUxXV1NBNndFVWtFL2VQbDAiLCJtYWMiOiI3YmM0YjMwMThkM2IyZDRhNTkxYTI2NmQ0OGNlYmMwY2E4ZjE2ZjRjMmEyZTEzZGIwZTlkYjNjOWZhZmJiZGYyIiwidGFnIjoiIn0%3D; expires=Mon, 07 Sep 2026 10:30:03 GMT; Max-Age=43200; path=/; domain=.300code.com; secure
300code_session=eyJpdiI6IjZRWkYrUkUzUHJnY0VYOWNPZkVKN3c9PSIsInZhbHVlIjoiTkdaa1B5WFBxZFliK0hrRmxtTjAzd24wbHVMNVVNZm9CR2MzM2dsUzZMdm5ySjZnZFl3QVdRNWxVZTRrYWFwOUsyMk03dHJzcElDckV0cnhycHBPUDRYL0QxRHNESDFpY2ZOMURGWGdwK1NIS2J1UEtydFh5QTJVWUNoSXR2K1AiLCJtYWMiOiI2MWVkODBlM2YyZjMyNTBkYjFmYzQ4Yzk5NTdlOGIwYTE2YzAxMWY2ZTQzYmQ2ZTliNTM2MmQzNGQwNDcwMDZhIiwidGFnIjoiIn0%3D; expires=Mon, 07 Sep 2026 10:30:03 GMT; Max-Age=43200; path=/; domain=.300code.com; httponly

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

a370ea7e3db274db-IAD

Date

Other

Sun, 06 Sep 2026 22:30:03 GMT

Nel

Other

Report-To Group cf-nel max-age: 1w

success: 0.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=ibsMosNYPaX4a3NIcLvpwiMqVBREP1yIeurPhG4PN2f8AFB9VBwAUCgFwBHn6IKrIPM%2F0D1j1C96HY62NfZXfwo%2BVJlN6p%2F4Y3VO8pNqpXMWrGmYYf6VNZ1hiF7LhgXWGKhMUg%3D%3D

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=14,cfOrigin;dur=227

Speculation-Rules

Other

"/cdn-cgi/speculation"

X-Request-Id

Other

fe63ac9d-2c0d-4e8c-8709-987cb338b249

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: a370ea7e3db274db-IAD
date: Sun, 06 Sep 2026 22:30:03 GMT
nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=ibsMosNYPaX4a3NIcLvpwiMqVBREP1yIeurPhG4PN2f8AFB9VBwAUCgFwBHn6IKrIPM%2F0D1j1C96HY62NfZXfwo%2BVJlN6p%2F4Y3VO8pNqpXMWrGmYYf6VNZ1hiF7LhgXWGKhMUg%3D%3D"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=14,cfOrigin;dur=227
speculation-rules: "/cdn-cgi/speculation"
x-request-id: fe63ac9d-2c0d-4e8c-8709-987cb338b249

Recommendations

Enable compression (gzip/brotli) to improve performance