growth-memo.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-17 · ok HTTP/1.1 200 1124 ms crawled 2026-05-07

US · 104.21.5.55 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title

Growth Memo | Kevin Indig | Substack

Description

Growth Memo delivers sharp, research-backed insights on SEO, organic growth, and AI-driven search for senior marketing leaders. Click to read Growth Memo, by Kevin Indig, a Substack publication with tens of thousands of subscribers.

Language

Canonical

https://www.growth-memo.com/

Feeds

Growth Memo RSS

Open Graph

url: https://www.growth-memo.com/
title: Growth Memo | Kevin Indig | Substack
description: Growth Memo delivers sharp, research-backed insights on SEO, organic growth, and AI-driven search for senior marketing leaders. Click to read Growth Memo, by Kevin Indig, a Substack publication with tens of thousands of subscribers.

Technology

CDN: Cloudflare
CMS: Gatsby

Analytics

Cloudflare Insights

Fonts

Google Fonts

Third-party hosts loaded (4)

substackcdn.com×294
static.cloudflareinsights.com×2
fonts.gstatic.com×1
js.sentry-cdn.com×1

Social

Registration

Registrar

NameCheap, Inc.

Created

2023-02-27

Expires

2027-02-27 284 days left

Updated

2026-01-28

Name servers

elliot.ns.cloudflare.com
nora.ns.cloudflare.com

DNS records live

NS

elliot.ns.cloudflare.com
nora.ns.cloudflare.com

MX

10 mx1.privateemail.com
10 mx2.privateemail.com

TXT

google-site-verification=uD_9aRHoIhb3dJUQMKxgkS5dIMikPaBNz8kWEpKtdLw

Email authentication partial

SPF: v=spf1 include:spf.privateemail.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-15 to 2026-07-14

Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.growth-memo.com

present

strict-transport-security
content-security-policy

findings

CSP uses wildcard sources
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

content-security-policy: frame-ancestors 'self' https://*.substack.com https://substack.com
strict-transport-security: max-age=31536000; includeSubDomains; preload