HTTP Headers Analysis for https://ark.dev

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring

Cloudflare CDN

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

Good

SAMEORIGIN

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 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

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=eyJpdiI6ImdjTEFBUTg5N3kvRzJrTjBFc2hRM0E9PSIsInZhbHVlIjoiR05ZUzhuNWQwbVk5UnBPZDRxNFFVR2FwazNrZ2Q1ZnloYXdJdWtSTXRNelN2UWd6TkxxbHBKWG44T3lMQUdCR09XYnd5cFplSzk3S1REc3ZsamdsVHIrTzFyM3A0QlRaUTR0OVZkR01BK2ZleHZJenUyY2RlbzZsT0h0UDNuRVQiLCJtYWMiOiJiYWVkNzVkMTJiYjg0YWM5MDNmNDQ2YWRjNTdkMTdhMGRiMjc0ODMzNmU4MDExMTNlOGUzMTI1ZGJhMWM5ZWEwIiwidGFnIjoiIn0%3D; expires=Sat, 11 Apr 2026 07:18:51 GMT; Max-Age=7200; path=/; secure; samesite=lax
ark_docs_session=eyJpdiI6IjdpaStJM0Zid1FEd2tXSUtqeThqZUE9PSIsInZhbHVlIjoiZjhxWjBIL0x5ZVE0QUJQMTVxc3Y4VzZZVG0vKzUwMXpqQWZDQ21tVlNOZ2RhcldtMFdxVlJyb3BwcnNrUTJXQUNwbWU1RVh6bXFsRk9QM0JQbDR5WW1tQ244TGphY29rN2xFYXFxZjZjTFFhWitnWEwvSnB6NldzZW5STjZNYmoiLCJtYWMiOiI4NWNjOGQzZGYwM2M0ODE0MzBlYWYxYzMzNzM1OGY1YjlmZmQ3OWFjMTkyNmZkMDk3YzhkZTkzMGEzMTEyODUyIiwidGFnIjoiIn0%3D; expires=Sat, 11 Apr 2026 07:18:51 GMT; Max-Age=7200; path=/; secure; httponly; samesite=lax

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9ea788741b08e627-IAD

Date

Other

Sat, 11 Apr 2026 05:18:52 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=aqlyMNklbowtNX3Vq2A5iDZPcicerS6LZ6GC%2BXMq44JexumHyg3DMrVHmdCLYHlR6S610Dy%2Bz1QSVtZsryPpK8kdA4A6M2Ir1jU7gS40kEfFApsSE3fH6vyh

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9ea788741b08e627-IAD
date: Sat, 11 Apr 2026 05:18:52 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=aqlyMNklbowtNX3Vq2A5iDZPcicerS6LZ6GC%2BXMq44JexumHyg3DMrVHmdCLYHlR6S610Dy%2Bz1QSVtZsryPpK8kdA4A6M2Ir1jU7gS40kEfFApsSE3fH6vyh"}]}

Recommendations

Enable compression (gzip/brotli) to improve performance