HTTP Headers Analysis for https://support.ably.com

Open Cached · just now

24 Headers

Detected Technologies from Headers

See all in URL Inspect 2

Cloudflare CDN

Heroku

HTTP Security Headers

Status

Strict-Transport-Security

Present

max-age=15552000; preload

Content-Security-Policy

Missing

Not configured Analyze

Content-Security-Policy-Report-Only

Missing

Not configured 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

• Increase HSTS max-age to at least 1 year and add includeSubDomains
• Add Content-Security-Policy header to prevent XSS attacks
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

Transfer-Encoding

Performance

chunked

Vary

Performance

Origin,Accept-Encoding

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

Caching Headers

Cache-Control

Caching

max-age=0, private, must-revalidate

cache-control: max-age=0, private, must-revalidate

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

cloudflare

X-Runtime

Server

0.028122

server: cloudflare
x-runtime: 0.028122

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

set-cookie: cookie_test=ping; path=/; SameSite=Lax; secure
ably_device_id=OgzwPKu8FhGlZno%2BFqPGY%2Bv2wonKoODh3Vz4JFslQYyGfW16OJijo1xeo%2FVOlHfGJwZA9E0E%2Fyp7OdUOzH5Y5PdylW8e6M%2BoQiDbhaT3AZzJ7%2FJnWmGsBlUkPmxWa2WPRb1RXpWeT1KFPx9J7FGUT0U40LSDanUEYePJCoLV3O%2FEwrD05UYeCSpvlWQ%3D--YFHD%2Bqj3HwU3c5ck--YK7AIYTpLFJrtZ0V256EOg%3D%3D; path=/; expires=Wed, 05 May 2027 09:47:45 GMT; HttpOnly; SameSite=Lax; secure
_ably_session=Zggnu8BeBw51QgxLOAjjXkEvIz83mAbZ4REuliKSbnR3Oqc3iIB2UtQfoheaSt3U%2FmnfRDn%2B%2F059ZlOWT3KYKZhz00nVhObSt95B52Mr67aHfYNObZpCXm%2FB7k1GZNZXGzTP4ZvfkGkU6ZxyLjsjM3pMjbYRy94LycWfu0mJG9zG1U1ShvKeCjtvT%2BkSMfQBZbYA68dXo%2BluAAJ5tubzLE2u2vnWvniIrzpoWHXecZRlSDDzi7aW4c5wmhRNHmY7a51PBJrM50xWmmV98C3q5Htny8r0cs5NLv4ZKgs8KjVTPSL1H1vrLVfesGLYyV%2FUh5YKGHtJjqOHxrK4M6rcc27eAXaeVd8%3D--J6hR02CJudpq5UzO--kE56dz2sAGjvZF4e%2BpfhCA%3D%3D; path=/; expires=Tue, 05 May 2026 11:47:45 GMT; secure; HttpOnly; SameSite=Lax

Other Headers

Cf-Cache-Status

Other

BYPASS

Cf-Ray

Other

9f6ed35628e082da-IAD

Date

Other

Tue, 05 May 2026 09:47:45 GMT

Link

Other

URL /vite/assets/application-CG3wrscx.css

rel=preload as=style nopush

URL /vite/assets/ably-ui-BQ7NQfcs.css

rel=preload as=style nopush

URL /vite/assets/compatibility-layer-d58-9yyH.css

rel=preload as=style nopush

URL /assets/password_strength-da10b5bea28eb20d1fc76633b31c54313456b52b3d56ee8445f9e1393879d182.js

rel=preload as=script nopush

URL /vite/assets/application-CG3wrscx.css

rel=preload as=style nopush

URL /vite/assets/ably-ui-BQ7NQfcs.css

rel=preload as=style nopush

URL /vite/assets/compatibility-layer-d58-9yyH.css

rel=preload as=style nopush

URL /assets/password_strength-da10b5bea28eb20d1fc76633b31c54313456b52b3d56ee8445f9e1393879d182.js

rel=preload as=script nopush

URL /vite/assets/application-D7lQD2TK.js

rel=modulepreload as=script crossorigin nopush

URL /vite/assets/ably-ui-CY_IhBfg.js

rel=modulepreload as=script crossorigin nopush

URL /vite/assets/support-CcDGGNj9.js

rel=modulepreload as=script crossorigin nopush

URL /vite/assets/application-FxUwaif5.css

rel=preload as=style crossorigin nopush

URL /vite/assets/pricing-eznDdpsm.css

rel=preload as=style crossorigin nopush

URL /vite/assets/component-B0tF0QuM.css

rel=preload as=style crossorigin nopush

Nel

Other

Report-To Group heroku-nel max-age: 1h

success: 1.0% failure: 10.0%

Report-To

Other

Group heroku-nel max-age: 1h

Endpoint 1 https://nel.heroku.com/reports?s=mnm%2BZmyeG9efyDcpIw6huwEvdM1dJJwUi1W41mc88pw%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1777974465

Reporting-Endpoints

Other

heroku-nel="https://nel.heroku.com/reports?s=mnm%2BZmyeG9efyDcpIw6huwEvdM1dJJwUi1W41mc88pw%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1777974465"

Via

Other

2.0 heroku-router

X-Download-Options

Other

noopen

X-Permitted-Cross-Domain-Policies

Other

none

X-Request-Id

Other

d435bb0b-524c-5f39-746f-c6ed1dd0b648

cf-cache-status: BYPASS
cf-ray: 9f6ed35628e082da-IAD
date: Tue, 05 May 2026 09:47:45 GMT
link: </vite/assets/application-CG3wrscx.css>; rel=preload; as=style; nopush,</vite/assets/ably-ui-BQ7NQfcs.css>; rel=preload; as=style; nopush,</vite/assets/compatibility-layer-d58-9yyH.css>; rel=preload; as=style; nopush,</assets/password_strength-da10b5bea28eb20d1fc76633b31c54313456b52b3d56ee8445f9e1393879d182.js>; rel=preload; as=script; nopush,</vite/assets/application-D7lQD2TK.js>; rel=modulepreload; as=script; crossorigin=; nopush,</vite/assets/ably-ui-CY_IhBfg.js>; rel=modulepreload; as=script; crossorigin=; nopush,</vite/assets/support-CcDGGNj9.js>; rel=modulepreload; as=script; crossorigin=; nopush,</vite/assets/application-FxUwaif5.css>; rel=preload; as=style; crossorigin=; nopush,</vite/assets/pricing-eznDdpsm.css>; rel=preload; as=style; crossorigin=; nopush,</vite/assets/component-B0tF0QuM.css>; rel=preload; as=style; crossorigin=; nopush
nel: {"report_to":"heroku-nel","response_headers":["Via"],"max_age":3600,"success_fraction":0.01,"failure_fraction":0.1}
report-to: {"group":"heroku-nel","endpoints":[{"url":"https://nel.heroku.com/reports?s=mnm%2BZmyeG9efyDcpIw6huwEvdM1dJJwUi1W41mc88pw%3D\u0026sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add\u0026ts=1777974465"}],"max_age":3600}
reporting-endpoints: heroku-nel="https://nel.heroku.com/reports?s=mnm%2BZmyeG9efyDcpIw6huwEvdM1dJJwUi1W41mc88pw%3D&sid=c46efe9b-d3d2-4a0c-8c76-bfafa16c5add&ts=1777974465"
via: 2.0 heroku-router
x-download-options: noopen
x-permitted-cross-domain-policies: none
x-request-id: d435bb0b-524c-5f39-746f-c6ed1dd0b648

Recommendations

Enable compression (gzip/brotli) to improve performance