HTTP Headers Analysis for https://shop.openclassrooms.com

Detected Technologies from Headers

See all in URL Inspect 3

Fastly

HAProxy

Varnish

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=604800

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

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• 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

Accept-Ranges

Performance

bytes

Connection

Performance

close

Vary

Performance

Accept-Encoding

accept-ranges: bytes
connection: close
vary: Accept-Encoding

Caching Headers

Age

Caching

0

Cache-Control

Caching

no-transform, must-revalidate, max-age=0

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

Content Headers

Content-Length

Content

168994

Content-Type

Content

text/html;charset=utf-8

content-length: 168994
content-type: text/html;charset=utf-8

Server Headers

Server

haproxy

server: haproxy

CORS Headers

Access-Control-Allow-Headers

Cors

X-PINGOTHER,Origin,X-Requested-With,Content-Type,Accept,Accept-Encoding,DNT

Access-Control-Allow-Methods

Cors

GET, POST, OPTIONS, PUT

Access-Control-Allow-Origin

Cors

*

Access-Control-Max-Age

Cors

600

access-control-allow-headers: X-PINGOTHER,Origin,X-Requested-With,Content-Type,Accept,Accept-Encoding,DNT
access-control-allow-methods: GET, POST, OPTIONS, PUT
access-control-allow-origin: *
access-control-max-age: 600

Cookies Headers

No cookies headers found

Other Headers

Date

Other

Wed, 06 May 2026 20:00:03 GMT

Fastly-Restarts

Other

1

Server-Timing

Other

MISS-CLUSTER, fastly;desc="Edge time";dur=744

Timing-Allow-Origin

Other

*

Via

Other

1.1 varnish, 1.1 varnish

X-Application

Other

shop

X-Backend

Other

eu

X-Backend-Slot

Other

instance4

X-Cache

Other

MISS, MISS

X-Cache-Hits

Other

0, 0

X-Dns-Prefetch-Control

Other

on

X-New-Shop-Storefront

Other

n

X-Served-By

Other

cache-ewr-kewr1740025-EWR, cache-ewr-kewr1740030-EWR

X-Server-Name

Other

shop_eu1

X-Timer

Other

S1778097603.697527,VS0,VE744

X-Trace-Id

Other

32e285f8f4948cc88d8b5eb9baa5623e

date: Wed, 06 May 2026 20:00:03 GMT
fastly-restarts: 1
server-timing: MISS-CLUSTER, fastly;desc="Edge time";dur=744
timing-allow-origin: *
via: 1.1 varnish, 1.1 varnish
x-application: shop
x-backend: eu
x-backend-slot: instance4
x-cache: MISS, MISS
x-cache-hits: 0, 0
x-dns-prefetch-control: on
x-new-shop-storefront: n
x-served-by: cache-ewr-kewr1740025-EWR, cache-ewr-kewr1740030-EWR
x-server-name: shop_eu1
x-timer: S1778097603.697527,VS0,VE744
x-trace-id: 32e285f8f4948cc88d8b5eb9baa5623e

Recommendations

Enable compression (gzip/brotli) to improve performance