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Domain report

sourcemaking.com

sourcemaking.com ranks in the top 0.019% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 3 distinct hosts observed under it.

Explore sourcemaking.com in the Web Graph

Connectivity

#25,103harmonic-centrality rank
Top percentile
0.019%
Hosts observed
3

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://sourcemaking.com/ answered with HTTP 200.

DNS records

A
  • 172.67.144.126
  • 104.21.71.112
AAAA
  • 2606:4700:3030::ac43:907e
  • 2606:4700:3035::6815:4770
MX
  • 1 smtp.google.com.
NS
  • cheryl.ns.cloudflare.com.
  • guss.ns.cloudflare.com.

Live preview

Screenshot of sourcemaking.com

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since sourcemaking.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
max-age=300, public, s-maxage=31536000
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31536000; includeSubDomains; preload
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://sourcemaking.com/HTTP 301

    → https://sourcemaking.com/

  2. 2.https://sourcemaking.com/HTTP 200

Meta tags

Title
Design Patterns & Refactoring
Description
Not set
Canonical
https://sourcemaking.com
Robots
Not set
Generator
Not set
Open Graph title
Design Patterns and Refactoring
Open Graph description
Design Patterns and Refactoring articles and guides. Design Patterns video tutorials for newbies. Simple descriptions and full source code examples in Java, C++, C#, PHP and Delphi.
Open Graph image
https://sourcemaking.com/files/v2/content/home-tb1.png?id=944b161223408e06c3c65387c36a96ea
Open Graph type
website
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
6
Disallow rules (other agents)
0

Sitemap declared:

  • https://sourcemaking.com/sitemap.xml

Technology detected

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

  • Cloudflarecdn

    Server: cloudflare

  • Google Analyticsanalytics

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

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.