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

Detected Technologies from Headers

See all in URL Inspect 3

Cloudflare NEL Monitoring

Cloudflare CDN

Shopify

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=7889238

Content-Security-Policy

Weak

block-all-mixed-content; frame-ancestors; upgrade-insecure-requests Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Significantly strengthen CSP directives
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• 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

Etag

Caching

W/"page_cache:59610529942:IndexController:e48dd09b593b65ab86eada8724bd6e3e"

etag: W/"page_cache:59610529942:IndexController:e48dd09b593b65ab86eada8724bd6e3e"

Content Headers

Content-Language

Content

en-US

Content-Type

Content

text/html; charset=utf-8

content-language: en-US
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: localization=US; path=/; expires=Sun, 09 May 2027 19:23:32 GMT; SameSite=Lax
cart_currency=USD; path=/; expires=Sat, 23 May 2026 19:23:32 GMT; SameSite=Lax
_shopify_y=bfe9fb43-ce28-4235-87aa-d192163b623b; domain=circle.com; path=/; expires=Mon, 10 May 2027 01:23:32 GMT; SameSite=Lax
_shopify_s=f82209ac-2d02-4563-973d-9fff44ba8d83; domain=circle.com; path=/; expires=Sat, 09 May 2026 19:53:32 GMT; SameSite=Lax
_shopify_essential=:AZ4OMenwAAEAYNXyEaKkG69pjzde_AE_ilqqkUIKFB8FE7vUhoIlqGD4d3iQaW2CYuf7uB_fvLnVwFsqHaYPYtNuzFs0gfCaK9fWpfKcxcnaOBPpdM3kFeftpnn_RCzhAc2w7WmVjfu74OJ6R9MSRJvQ2yfNsYquQv2EkhAGnQvGNscNXrTBpX1FHOILT0rqd4YxyH0KX2izsVyG46iQlFwM_Wkd_BRhyfjSWhgaq6QO-NbzNHpf991a7_s08P3F1_jg18KM5Kiu1mCszD5RZCbOAni_S4QqQlQ_pt8TsL5EHM25rkkO0n2yAhpF4s0C0EkXsQZLnR5KcBEwCE-qvLXHpa900eRq5as7Vl6npTfx30u5RFHtw-NxLinp21QputrU2pxDdFHV6MTfqQ:; Max-Age=31536000; Path=/; HttpOnly; Secure; Priority=High; SameSite=Lax
_shopify_analytics=:AZ4OMeq5AAEAvwgxr4vZNJere4DEz7djU38vDYFZdDT-hfrCQOpU3keMCIHRKzgW76hgvrA1MUcc-X-lx0TJhq9HTnlChJvnnetgqA4:; Max-Age=31536000; Path=/; HttpOnly; Secure; Priority=High; SameSite=Lax
_shopify_marketing=:AZ4OMeq5AAEApZu4OvkX0HDKvLvZSNxDZHY6vPA2UxvA3Vp0qxvmBFTogEIsAOfk4CTPbwsR3AFz0SjTeGwqUo1olC4:; Max-Age=31536000; Path=/; HttpOnly; Secure; Priority=High; SameSite=Lax

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f9314490e8582b0-IAD

Date

Other

Sat, 09 May 2026 19:23:32 GMT

Link

Other

URL

https://cdn.shopify.com

rel=preconnect

URL

https://cdn.shopify.com

rel=preconnect crossorigin

Nel

Other

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

success: 1.0%

Powered-By

Other

Shopify

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=RlwIwUl2hoW%2FubihAvFOpcojk8YhvhZo8VwiedHbbGrhFze4z7Uo%2BFCIHPXt2iYPuWYCgdoHOCsIaOphbapJyaytD5kuzw%2FJWMxmIg9SKlHrHzMsjVNQ2yj%2BjuOZeSKh9w%3D%3D

Server-Timing

Other

processing;dur=238;desc="gc:7", db;dur=79, db_async;dur=6.855, render;dur=62, asn;desc="396356", edge;desc="IAD", country;desc="US", theme;desc="127386714262", pageType;desc="index", servedBy;desc="scmc", requestID;desc="c5cd664b-f386-4d56-87a8-3c4f420a7c5a-1778354612", _y;desc="bfe9fb43-ce28-4235-87aa-d192163b623b", _s;desc="f82209ac-2d02-4563-973d-9fff44ba8d83", _cmp;desc="3.AMPS_IE_f_f_P60ncsZhSziSpT4WIgNClw", compressionLevel;desc="5", compressionTime;dur=5.726, cfRequestDuration;dur=292.999983

Shopify-Complexity-Score

Other

2310

Shopify-Complexity-Score-V2

Other

231

X-Dc

Other

gcp-us-east1,gcp-us-east1,gcp-us-east1

X-Download-Options

Other

noopen

X-Permitted-Cross-Domain-Policies

Other

none

X-Request-Id

Other

c5cd664b-f386-4d56-87a8-3c4f420a7c5a-1778354612

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f9314490e8582b0-IAD
date: Sat, 09 May 2026 19:23:32 GMT
link: <https://cdn.shopify.com>; rel="preconnect", <https://cdn.shopify.com>; rel="preconnect"; crossorigin
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
powered-by: Shopify
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=RlwIwUl2hoW%2FubihAvFOpcojk8YhvhZo8VwiedHbbGrhFze4z7Uo%2BFCIHPXt2iYPuWYCgdoHOCsIaOphbapJyaytD5kuzw%2FJWMxmIg9SKlHrHzMsjVNQ2yj%2BjuOZeSKh9w%3D%3D"}],"group":"cf-nel","max_age":604800}
server-timing: processing;dur=238;desc="gc:7", db;dur=79, db_async;dur=6.855, render;dur=62, asn;desc="396356", edge;desc="IAD", country;desc="US", theme;desc="127386714262", pageType;desc="index", servedBy;desc="scmc", requestID;desc="c5cd664b-f386-4d56-87a8-3c4f420a7c5a-1778354612", _y;desc="bfe9fb43-ce28-4235-87aa-d192163b623b", _s;desc="f82209ac-2d02-4563-973d-9fff44ba8d83", _cmp;desc="3.AMPS_IE_f_f_P60ncsZhSziSpT4WIgNClw", compressionLevel;desc="5", compressionTime;dur=5.726, cfRequestDuration;dur=292.999983
shopify-complexity-score: 2310
shopify-complexity-score-v2: 231
x-dc: gcp-us-east1,gcp-us-east1,gcp-us-east1
x-download-options: noopen
x-permitted-cross-domain-policies: none
x-request-id: c5cd664b-f386-4d56-87a8-3c4f420a7c5a-1778354612

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching