HTTP Headers Analysis for https://deepl.com

Detected Technologies from Headers

See all in URL Inspect 1

Cloudflare CDN Active incidents

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

Missing

Not configured

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

strict-origin-when-cross-origin

Permissions-Policy

Missing

Not configured

Recommendations

• Significantly strengthen CSP directives
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Origin,Accept-Encoding

connection: close
transfer-encoding: chunked
vary: Origin,Accept-Encoding

Caching Headers

Age

Caching

29

Cache-Control

Caching

public, max-age=60, stale-while-revalidate=60, stale-if-error=3600

Etag

Caching

W/"6a68efef-712e0"

Last-Modified

Caching

Tue, 28 Jul 2026 18:07:43 GMT

age: 29
cache-control: public, max-age=60, stale-while-revalidate=60, stale-if-error=3600
etag: W/"6a68efef-712e0"
last-modified: Tue, 28 Jul 2026 18:07:43 GMT

Content Headers

Content-Type

Content

text/html

content-type: text/html

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

Access-Control-Expose-Headers

Cors

Server-Timing, X-Trace-ID

access-control-expose-headers: Server-Timing, X-Trace-ID

Cookies Headers

Set-Cookie

Cookies

set-cookie: userCountry=US; domain=.deepl.com; path=/; secure; samesite=lax
verifiedBot=false; domain=.deepl.com; path=/; secure; samesite=lax

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

HIT

Cf-Ray

Other

a22b68cf099bc998-IAD

Date

Other

Wed, 29 Jul 2026 10:23:39 GMT

Link

Other

URL https://www.deepl.com/en

rel=canonical

Server-Timing

Other

l7_lb_tls;dur=0, l7_lb_idle;dur=12347, l7_lb_receive;dur=0, l7_lb_total;dur=1

X-Country-Code

Other

US

X-Deepl-Ingress-Type

Other

acheron

X-Trace-Id

Other

ceac52e25c41494f911e5566247ff3c4

X-Verified-Bot

Other

false

alt-svc: h3=":443"; ma=86400
cf-cache-status: HIT
cf-ray: a22b68cf099bc998-IAD
date: Wed, 29 Jul 2026 10:23:39 GMT
link: <https://www.deepl.com/en>; rel="canonical"
server-timing: l7_lb_tls;dur=0, l7_lb_idle;dur=12347, l7_lb_receive;dur=0, l7_lb_total;dur=1
x-country-code: US
x-deepl-ingress-type: acheron
x-trace-id: ceac52e25c41494f911e5566247ff3c4
x-verified-bot: false

Recommendations

Enable compression (gzip/brotli) to improve performance