HTTP Headers Analysis for https://perf-eu1.hsforms.com

Open Cached · just now

31 Headers

Detected Technologies from Headers

See all in URL Inspect 17

Cloudflare NEL Monitoring

Adobe Fonts (Typekit)

Cloudflare CDN

Cloudflare CDNJS

Convert

Crazy Egg

Facebook

Google Analytics

Google Tag Manager

Hotjar

HubSpot

HubSpot Analytics

HubSpot Feedback & Surveys

HubSpot Forms

HubSpot Live Chat

Twitter

Vidyard

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Weak

upgrade-insecure-requests Analyze

Content-Security-Policy-Report-Only

Basic

script-src; report-uri Analyze

X-Frame-Options

Excellent

DENY

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Good

no-referrer-when-downgrade

Permissions-Policy

Missing

Not configured

Recommendations

• Significantly strengthen CSP directives
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding

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

Caching Headers

Cache-Control

Caching

s-maxage=36000, max-age=5

Last-Modified

Caching

Fri, 08 May 2026 10:19:07 GMT

cache-control: s-maxage=36000, max-age=5
last-modified: Fri, 08 May 2026 10:19:07 GMT

Content Headers

Content-Type

Content

text/html; charset=UTF-8

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

Server Headers

Server

cloudflare

server: cloudflare

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

set-cookie: __cf_bm=DL.Z9WWjiV7Sm3Dcd6vPiQt.yII4kUDdQfEXZDbqglE-1778257688-1.0.1.1-SJd3v2DToedH.Iz7ZAZQRyskdAVt6ylKMn99ca0uZ6loGUr7_QTGkhX6lehO_A0.x39g2lrsYn9Y7mVdx8hnB3X11aUBYWB3vKMeyVafzLo; path=/; expires=Fri, 08-May-26 16:58:08 GMT; domain=.developers.hubspot.com; HttpOnly; Secure; SameSite=None
_cfuvid=OOFmGs32t5cjRXGNmLEv3O.spm1tp8NoF392ktwZou0-1778257688449-0.0.1.1-604800000; path=/; domain=.developers.hubspot.com; HttpOnly; Secure; SameSite=None
__cf_bm=8y6HRxURHcR5TjIErMnvL5mbjNZBwA.nKLVeFAYWXic-1778257688-1.0.1.1-a5xRX816WAMbkxEpRNyyOm_ge7QhPB57eyy1FzXc.TMPbw43pEJNDhH5VruPHFJLwsuZgzetJ6NPWVqy9fwd3GNZQgF.DleUqSaOE8eet0k; path=/; expires=Fri, 08-May-26 16:58:08 GMT; domain=.developers.hubspot.com; HttpOnly; Secure; SameSite=None

Other Headers

Alt-Svc

Other

h3=":443"; ma=86400

Cf-Cache-Status

Other

DYNAMIC

Cf-Ray

Other

9f89d5f7a9258544-IAD

Date

Other

Fri, 08 May 2026 16:28:08 GMT

Edge-Cache-Tag

Other

CT-177800390545,P-53,W-4493943987,CW-187172591700,CW-201550955821,CW-212471405217,CW-212471405223,CW-212471405225,CW-212471405226,CW-212471405239,CW-212471405240,CW-39963105441,E-109800850961,E-182757519914,E-182761488664,E-186807309163,E-186807707401,E-186808447492,E-187957699930,E-188327041555,E-188327100024,E-188327573275,E-188327665702,E-188329223604,E-188329346742,E-189257633654,E-189257633656,E-189257685632,E-191044787116,E-191305914964,E-191317366345,E-191521808561,E-192339359882,E-193204021780,E-193204021781,E-194395071286,E-194395071298,E-194395071313,E-194395071316,E-194395071326,E-194395071330,E-194395071333,E-198774374490,E-201550955827,E-201641145628,E-201641145744,E-201641146180,E-201642011524,E-201642011802,E-201642144666,E-201647075434,E-201647315838,E-201647316103,E-201647316335,E-201647382346,E-201647382400,E-205577966458,E-206749040455,E-207440410286,E-212471405152,E-212471405153,E-212471405157,E-212471405177,E-212471405179,E-212471405181,E-33497625588,E-80991207740,E-80992946022,E-8384041284,RA-212471405161,PGS-ALL,SW-0,PROJ-101734284

Link

Other

URL

https://developers.hubspot.com/hubfs/raw_assets/110/public/@projects/Developers-website-2025-theme/theme/styles/globals.processed.css

rel=preload as=style

URL

https://developers.hubspot.com/hubfs/hub_generated/template_assets/1/80992946022/1740999027946/template_section.min.css

rel=preload as=style

URL

https://developers.hubspot.com/hubfs/hub_generated/template_assets/1/194395071286/1775141354030/template_button.min.css

rel=preload as=style

URL

https://developers.hubspot.com/hubfs/raw_assets/Developers-website-2025-theme/145/js_client_assets/assets/layouts-DggkHlHC.css

rel=preload as=style

Nel

Other

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

success: 1.0%

Report-To

Other

Group cf-nel max-age: 1w

Endpoint 1 https://a.nel.cloudflare.com/report/v4?s=ajPj%2Bm9UorwgXu386vuiLpWR98lTx%2BTB8GDze6lgpvt%2F2bP1trSRYyTC0HKQl1F1Y0dBrK4bqSAQfNmrCxtln0i6UEEEI2b3lDhmy8S2iBr9vRfAPoU2gN11Z4WEfafWDZZZL2%2FzkX8%3D

X-Hs-Cache-Config

Other

BrowserCache-5s-EdgeCache-180s

X-Hs-Cache-Control

Other

s-maxage=36000, max-age=0

X-Hs-Cf-Cache-Status

Other

HIT

X-Hs-Cfworker-Meta

Other

{"contentType":"SITE_PAGE","resolver":"PreRenderedContentResolver"}

X-Hs-Content-Id

Other

177800390545

X-Hs-Hub-Id

Other

X-Hs-Portal-Id

Other

X-Hs-Prerendered

Other

Fri, 08 May 2026 10:19:07 GMT

alt-svc: h3=":443"; ma=86400
cf-cache-status: DYNAMIC
cf-ray: 9f89d5f7a9258544-IAD
date: Fri, 08 May 2026 16:28:08 GMT
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link: <https://developers.hubspot.com/hubfs/raw_assets/110/public/@projects/Developers-website-2025-theme/theme/styles/globals.processed.css>; rel=preload; as=style,<https://developers.hubspot.com/hubfs/hub_generated/template_assets/1/80992946022/1740999027946/template_section.min.css>; rel=preload; as=style,<https://developers.hubspot.com/hubfs/hub_generated/template_assets/1/194395071286/1775141354030/template_button.min.css>; rel=preload; as=style,<https://developers.hubspot.com/hubfs/raw_assets/Developers-website-2025-theme/145/js_client_assets/assets/layouts-DggkHlHC.css>; rel=preload; as=style,<https://developers.hubspot.com/hubfs/raw_assets/Developers-website-2025-theme/145/js_client_assets/assets/index-OqwlcJOo.css>; rel=preload; as=style,<https://developers.hubspot.com/hubfs/raw_assets/Developers-website-2025-theme/145/js_client_assets/assets/NavigationIsland-OqwlcJOo.css>; rel=preload; as=style
nel: {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=ajPj%2Bm9UorwgXu386vuiLpWR98lTx%2BTB8GDze6lgpvt%2F2bP1trSRYyTC0HKQl1F1Y0dBrK4bqSAQfNmrCxtln0i6UEEEI2b3lDhmy8S2iBr9vRfAPoU2gN11Z4WEfafWDZZZL2%2FzkX8%3D"}],"group":"cf-nel","max_age":604800}
x-hs-cache-config: BrowserCache-5s-EdgeCache-180s
x-hs-cache-control: s-maxage=36000, max-age=0
x-hs-cf-cache-status: HIT
x-hs-cfworker-meta: {"contentType":"SITE_PAGE","resolver":"PreRenderedContentResolver"}
x-hs-content-id: 177800390545
x-hs-hub-id: 53
x-hs-portal-id: 53
x-hs-prerendered: Fri, 08 May 2026 10:19:07 GMT

Recommendations

Enable compression (gzip/brotli) to improve performance