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corememory.com

corememory.com ranks in the top 0.39% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 2 distinct hosts observed under it.

Explore corememory.com in the Web Graph

Connectivity

#523,633harmonic-centrality rank
Top percentile
0.39%
Hosts observed
2

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://corememory.com/ answered with HTTP 200.

DNS records

A
  • 3.231.35.217
AAAA
No records found.
MX
  • 1 aspmx.l.google.com.
  • 5 alt1.aspmx.l.google.com.
  • 5 alt2.aspmx.l.google.com.
  • 10 alt3.aspmx.l.google.com.
  • 10 alt4.aspmx.l.google.com.
NS
  • ns41.domaincontrol.com.
  • ns42.domaincontrol.com.

Live preview

Screenshot of corememory.com

This site's Content-Security-Policy restricts embedding to specific origins ("frame-ancestors 'self' https://*.substack.com https://substack.com"), which does not include StatsMyWeb.

Since corememory.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=utf-8
Cache-Control
no-cache
Content-Encoding
Not sent

Security

Content-Security-Policy
frame-ancestors 'self' https://*.substack.com https://substack.com
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://corememory.com/HTTP 308

    → https://corememory.com/

  2. 2.https://corememory.com/HTTP 301

    → https://www.corememory.com/

  3. 3.https://www.corememory.com/HTTP 200

Meta tags

Title
Core Memory | Ashlee Vance | Substack
Description
On the Most Interesting People, Objects and Ideas in Science and Technology. Click to read Core Memory, a Substack publication with tens of thousands of subscribers.
Canonical
https://www.corememory.com/
Robots
Not set
Generator
Not set
Open Graph title
Core Memory | Ashlee Vance | Substack
Open Graph description
On the Most Interesting People, Objects and Ideas in Science and Technology. Click to read Core Memory, a Substack publication with tens of thousands of subscribers.
Open Graph image
https://substackcdn.com/image/fetch/$s_!K_zc!,w_400,h_400,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F817e9c19-7ff2-4c08-b3f8-1e4ef6399495_1000x1000.png
Open Graph type
article
Twitter card
summary
Twitter title
Core Memory | Ashlee Vance | Substack
Twitter image
https://substackcdn.com/image/fetch/$s_!K_zc!,w_400,h_400,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F817e9c19-7ff2-4c08-b3f8-1e4ef6399495_1000x1000.png

robots.txt

robots.txt request failed (HTTP 429).

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Expressframework

    X-Powered-By: Express

  • Google Analyticsanalytics

    Found "googletagmanager.com/gtag/js" in the page's HTML

  • Cloudflare Web Analyticsanalytics

    Found "static.cloudflareinsights.com" in the page's HTML

  • Cloudflare Bot Managementcdn

    Cookie set: __cf_bm

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