HTTP Headers Analysis for https://e.linear.app

Detected Technologies from Headers

See all in URL Inspect 10

AWS CloudFront

Gravatar

Adobe Fonts (Typekit)

Cloudinary

Envoy

GitHub

Google Fonts

jsDelivr

PostHog

Slack

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000; includeSubDomains

Content-Security-Policy

Weak

frame-ancestors Analyze

Content-Security-Policy-Report-Only

Good

default-src; style-src; script-src; +13 more Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Significantly strengthen CSP directives
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Vary

Performance

Cookie, Accept-Encoding

connection: close
vary: Cookie, Accept-Encoding

Caching Headers

No caching headers found

Content Headers

Content-Length

Content

284034

Content-Type

Content

text/html; charset=utf-8

content-length: 284034
content-type: text/html; charset=utf-8

Server Headers

Server

envoy

server: envoy

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: posthog_csrftoken=GHenAKm9RamxtCYtT8cJKh7kNUB7wNPc; expires=Thu, 09 Jul 2026 12:07:12 GMT; Max-Age=1209600; Path=/; SameSite=Lax; Secure

Other Headers

Date

Other

Thu, 25 Jun 2026 12:07:12 GMT

Reporting-Endpoints

Other

posthog="https://us.i.posthog.com/report/?token=sTMFPsFhdP1Ssg&sample_rate=0.1&v=2"

Server-Timing

Other

django;dur=5, pg;dur=0, pg_max;dur=0, ch;dur=0, ch_max;dur=0, pg_count;desc="0", pg_slow;desc="0", ch_count;desc="0", ch_slow;desc="0"

X-Envoy-Upstream-Service-Time

Other

8

date: Thu, 25 Jun 2026 12:07:12 GMT
reporting-endpoints: posthog="https://us.i.posthog.com/report/?token=sTMFPsFhdP1Ssg&sample_rate=0.1&v=2"
server-timing: django;dur=5, pg;dur=0, pg_max;dur=0, ch;dur=0, ch_max;dur=0, pg_count;desc="0", pg_slow;desc="0", ch_count;desc="0", ch_slow;desc="0"
x-envoy-upstream-service-time: 8

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching