HTTP Headers Analysis for https://sendpulse.com

Detected Technologies from Headers

See all in URL Inspect 29

Bing

BootstrapCDN

Capterra

Cloudflare Active incidents

Cloudflare CDN

Cookiebot

Crisp

Disqus

Facebook

GitHub

Google AdSense

Google Analytics

Google API JS Client

Google Conversion Tracking

Google DoubleClick

Google Search

Google Static File Front End

Google Tag Manager

Instagram

jQuery

jsDelivr

Microsoft Clarity

New Relic

Nginx

RawGit

TikTok

Twitter

unpkg

Google Cloud

HTTP Security Headers

Status

Strict-Transport-Security

Excellent

max-age=31536000; includeSubDomains; preload

Content-Security-Policy

Basic

connect-src; script-src; frame-ancestors; +1 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Good

SAMEORIGIN

X-Content-Type-Options

Good

nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Present

interest-cohort=()

Recommendations

• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

Vary

Performance

Accept-Encoding, Accept-Encoding, Accept-Encoding

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

Caching Headers

Etag

Caching

a81ca254eb66f275d7ed219f6c88a876

Expires

Caching

Sat, 02 May 2026 06:26:06 GMT

Last-Modified

Caching

Tue, 16 Dec 2025 09:00:25 GMT

etag: a81ca254eb66f275d7ed219f6c88a876
expires: Sat, 02 May 2026 06:26:06 GMT
last-modified: Tue, 16 Dec 2025 09:00:25 GMT

Content Headers

Content-Type

Content

text/html; charset=utf-8

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

Server Headers

Server

nginx

server: nginx

CORS Headers

Access-Control-Allow-Headers

Cors

DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type

Access-Control-Allow-Methods

Cors

GET, POST, HEAD, GET, POST, OPTIONS

Access-Control-Allow-Origin

Cors

sendpulse.com, *

access-control-allow-headers: DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type
access-control-allow-methods: GET, POST, HEAD, GET, POST, OPTIONS
access-control-allow-origin: sendpulse.com, *

Cookies Headers

Set-Cookie

Cookies

set-cookie: 7df75dcc76e4c70ec425de0631fdb7ea=53i4rf821fik3vhgejpvbg74fi; path=/; HttpOnly
pseudo_id=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/; domain=sendpulse.com
first_visit_time=1777702265; expires=Wed, 02-May-2029 06:11:00 GMT; Max-Age=94694395; path=/; domain=sendpulse.com
5271a4bc4a3ad029a37760372abb2d6f=en-GB; expires=Sun, 02-May-2027 06:11:05 GMT; Max-Age=31536000; path=/; HttpOnly

Other Headers

Date

Other

Sat, 02 May 2026 06:11:06 GMT

X-Logged-In

Other

False

date: Sat, 02 May 2026 06:11:06 GMT
x-logged-in: False

Recommendations

Enable compression (gzip/brotli) to improve performance

Add Cache-Control header to optimize caching