HTTP Headers Analysis for https://mail.sprinto.com

Detected Technologies from Headers

See all in URL Inspect 4

Cloudflare NEL Monitoring

Cloudflare CDN

GTranslate

Kinsta

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=63072000; includeSubDomains; preload

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

deny

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

no-referrer-when-downgrade

Permissions-Policy

Missing

Not configured

Recommendations

• Significantly strengthen CSP directives
• 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: ep_session_id=ep-sess-1779379485-p810g4S5; path=/; secure; HttpOnly
__cf_bm=siXOyE3vauJG.OGHc9xAkT0W4SKzbHjijZ51hvtqFOQ-1779379690-1.0.1.1-mR.0jqGcrH1.KTdZ0ebpFSygW7UTDHPUdHgs2sgzTH14j0DhG9yU_UUsqNXuBkJwJUHpdc1KP_LoRSG508XLU89nF1eas7Zo8.Vnb81t.1o; path=/; expires=Thu, 21-May-26 16:38:10 GMT; domain=.sprinto.com; HttpOnly; Secure; SameSite=None

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9ff4d69b4bf70618-IAD

Date

Other

Thu, 21 May 2026 16:08:10 GMT

Ki-Cache-Type

Other

None

Ki-Edge

Other

v=27.1.2;mv=99.9.9

Ki-Origin

Other

g1p

Link

Other

URL

https://cdn.gtranslate.net/

rel=dns-prefetch

Nel

Other

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

success: 1.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=ZfkRaQaW9%2FmGfbZcgggAAXNQNIczvZxlmn0hwKN7rUuO1u%2FMS2d8VnpGGaJAZgpN44b6wjRuNO3%2BgGSVUQtTWU%2BCwCFy4X6CcJrkXKyJSgRwAHN6x2CGF9wr9rNQ

X-Edge-Location-Klb

Other

1

X-Kinsta-Cache

Other

HIT

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9ff4d69b4bf70618-IAD
date: Thu, 21 May 2026 16:08:10 GMT
ki-cache-type: None
ki-edge: v=27.1.2;mv=99.9.9
ki-origin: g1p
link: <https://cdn.gtranslate.net/>; rel=dns-prefetch
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ZfkRaQaW9%2FmGfbZcgggAAXNQNIczvZxlmn0hwKN7rUuO1u%2FMS2d8VnpGGaJAZgpN44b6wjRuNO3%2BgGSVUQtTWU%2BCwCFy4X6CcJrkXKyJSgRwAHN6x2CGF9wr9rNQ"}],"group":"cf-nel","max_age":604800}
x-edge-location-klb: 1
x-kinsta-cache: HIT

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching