HTTP Headers Analysis for https://ilb.co.jp

Detected Technologies from Headers

See all in URL Inspect 2

Envoy

Next.js

HTTP Security Headers

Status

Strict-Transport-Security

Missing

Not configured

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

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

Vary

Performance

rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding

connection: close
vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch, Accept-Encoding

Caching Headers

Cache-Control

Caching

private, no-cache, no-store, max-age=0, must-revalidate

cache-control: private, no-cache, no-store, max-age=0, must-revalidate

Content Headers

Content-Length

Content

14916

Content-Type

Content

text/html; charset=utf-8

content-length: 14916
content-type: text/html; charset=utf-8

Server Headers

Server

envoy

X-Powered-By

Server

Next.js

server: envoy
x-powered-by: Next.js

CORS Headers

No CORS headers found

Cookies Headers

No cookies headers found

Other Headers

Alt-Svc

Other

h3=":443"; ma=2592000,h3-29=":443"; ma=2592000, h3=":443"; ma=2592000

Cache-Tag

Other

256699315160, 256699315160:ilb-prd-a

Cdn-Cache-Status

Other

miss

Date

Other

Sun, 26 Apr 2026 22:28:11 GMT

Link

Other

URL /_next/static/media/24f6ebe2756575bd-s.p.woff2

rel=preload as=font crossorigin type=font/woff2

Server-Timing

Other

l2gfet4t7; dur=81

Traceparent

Other

00-830f3c04705e03da7d8452304bf4bf30-8275a9b5e464beac-01

Via

Other

1.1 google

X-Cloud-Trace-Context

Other

830f3c04705e03da7d8452304bf4bf30/9400606395891760812;o=1

X-Fah-Adapter

Other

nextjs-14.0.21

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000, h3=":443"; ma=2592000
cache-tag: 256699315160, 256699315160:ilb-prd-a
cdn-cache-status: miss
date: Sun, 26 Apr 2026 22:28:11 GMT
link: </_next/static/media/24f6ebe2756575bd-s.p.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2"
server-timing: l2gfet4t7; dur=81
traceparent: 00-830f3c04705e03da7d8452304bf4bf30-8275a9b5e464beac-01
via: 1.1 google
x-cloud-trace-context: 830f3c04705e03da7d8452304bf4bf30/9400606395891760812;o=1
x-fah-adapter: nextjs-14.0.21

Recommendations

Enable compression (gzip/brotli) to improve performance

Consider removing X-Powered-By header to hide server technology