HTTP Headers Analysis for https://api.optmnstr.com

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare NEL Monitoring

Cloudflare CDN

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Missing

Not configured

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Add Strict-Transport-Security header with max-age of at least 1 year
• Significantly strengthen CSP directives
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add X-Content-Type-Options: nosniff
• 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

No caching headers found

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: am_sso_google_apps_login=716ff340bd07a1b488714d47511bd93d; path=/; secure
_omacct=; Path=/; Expires=Fri, 10 May 2024 05:24:25 GMT; Secure; HttpOnly; SameSite=None
_omhnuser=; Domain=.optinmonster.com; Path=/; Expires=Fri, 10 May 2024 05:24:25 GMT; Secure; SameSite=None
_omlgdin=; Domain=.optinmonster.com; Path=/; Expires=Fri, 10 May 2024 05:24:25 GMT; Secure; SameSite=None
_omacctw=; Domain=.optinmonster.com; Path=/; Expires=Fri, 10 May 2024 05:24:25 GMT; Secure; SameSite=None
_ommkact=; Domain=.optinmonster.com; Path=/; Expires=Fri, 10 May 2024 05:24:25 GMT; Secure; SameSite=None
_ommklvl=; Domain=.optinmonster.com; Path=/; Expires=Fri, 10 May 2024 05:24:25 GMT; Secure; SameSite=None
_omacctwfn=; Domain=.optinmonster.com; Path=/; Expires=Fri, 10 May 2024 05:24:25 GMT; Secure; SameSite=None
_omacctrole=; Domain=.optinmonster.com; Path=/; Expires=Fri, 10 May 2024 05:24:25 GMT; Secure; SameSite=None

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f96847c9cb8b06c-IAD

Date

Other

Sun, 10 May 2026 05:24:25 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=cfSOQpI9GJ6oLmkZ23tt1JXvJ88OTKef7VcfHpqzBfIySnc3AthTYwN7iHpQ%2BokIkddlH35hbJhNUK5Tju64quFW55radS1lx6LrkjjvjgH%2BeM48e7YptoxoqjwBvjd0HiQC

Server-Timing

Other

cfCacheStatus;desc="DYNAMIC", cfEdge;dur=23,cfOrigin;dur=117

X-Cache-Config

Other

0 0

X-Cache-Status

Other

BYPASS

X-User-Agent

Other

standard--

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f96847c9cb8b06c-IAD
date: Sun, 10 May 2026 05:24:25 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=cfSOQpI9GJ6oLmkZ23tt1JXvJ88OTKef7VcfHpqzBfIySnc3AthTYwN7iHpQ%2BokIkddlH35hbJhNUK5Tju64quFW55radS1lx6LrkjjvjgH%2BeM48e7YptoxoqjwBvjd0HiQC"}]}
server-timing: cfCacheStatus;desc="DYNAMIC", cfEdge;dur=23,cfOrigin;dur=117
x-cache-config: 0 0
x-cache-status: BYPASS
x-user-agent: standard--

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching