httpcaching.com

.com crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 304 ms crawled 2026-06-01

US · 172.67.167.157 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title: HTTP Caching Test | Check Cache-Control, ETag, Expires, Vary
Description: Test HTTP caching for any URL. See effective browser and CDN lifetimes, spot misconfigured Cache-Control/ETag/Expires/Vary, and get Googlebot-specific guidance.
Language: en
Canonical: https://httpcaching.com/

Open Graph

url: https://httpcaching.com/
title: HTTP Caching Test | httpcaching.com
site name: httpcaching.com
description: Test HTTP caching for any URL. See effective browser and CDN lifetimes, spot misconfigured Cache-Control/ETag/Expires/Vary, and get Googlebot-specific guidance.

Technology

CDN: Cloudflare
CMS: Gatsby

Third-party hosts loaded (1)

challenges.cloudflare.com×1

Registration

Registrar

Hosting Concepts B.V. d/b/a Registrar.eu

Created

2025-12-13

Expires

2032-12-13 2383 days left

Updated

2026-04-22

Name servers

chan.ns.cloudflare.com
sri.ns.cloudflare.com

DNS records live

NS

chan.ns.cloudflare.com
sri.ns.cloudflare.com

Verified for

Google

Email authentication no MX

SPF

v=spf1 -all

strict (-all)

DMARC

v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

policy: reject (enforced) · sp=reject

DKIM

Show 12 DKIM selectors

default: v=DKIM1; p=
google: v=DKIM1; p=
selector1: v=DKIM1; p=
selector2: v=DKIM1; p=
k1: v=DKIM1; p=
k2: v=DKIM1; p=
mail: v=DKIM1; p=
dkim: v=DKIM1; p=
s1: v=DKIM1; p=
s2: v=DKIM1; p=
mxvault: v=DKIM1; p=
smtpapi: v=DKIM1; p=

selectors probed

Certificate (current)

from 2026-04-22 to 2026-07-21

Expires in 46 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://httpcaching.com/

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=63072000; includeSubDomains; preload