What powers sdf.org?

Last seen Jun 2026 · 31 technologies across 16 categories

Analytics

Google Analytics
since Jul 2022

CDN

Cloudflare
since Mar 2023

Development

Gitea
since Oct 2024

Font scripts

Font Awesome
since Jun 2024

JavaScript frameworks

React
since Nov 2022

JavaScript libraries

core-js v2.6.12
since Nov 2022
jQuery v3.7.1
since Jan 2023
jQuery UI v1.12.1
since Jan 2023

Message boards

Mastodon
since Feb 2021

Miscellaneous

Open Graph
since Sep 2022
PWA
since Aug 2022
RSS
since Dec 2022
Webpack
since Jan 2019

Operating systems

UNIX
since Apr 2018

Programming Languages

Go
since Oct 2024
Node.js
since Jul 2023
PHP v8.3.25
since Jan 2023
Python v2.7.14
since Apr 2018
Ruby
since Jan 2019

Rich text editors

Monaco Editor
since Oct 2024

Security

Cloudflare Bot Management
since Mar 2023
HSTS
since Sep 2022

Web frameworks

Ruby on Rails
since Jan 2019

Web Server Extensions

mod_python v3.5.0
since Apr 2018
mod_ssl v2.2.34
since Apr 2018
OpenSSL v3.4.1
since Apr 2018

Web servers

Apache HTTP Server v2.4.65
since Apr 2018
Express
since Jul 2023
Nginx v1.22.1
since Jul 2020
TornadoServer v2.4.1
since Jul 2022

Wikis

DokuWiki
since Jan 2023

Top search keywords

KeywordPositionEst. monthly visits
sdf #8 980
sdf games #1 15
free shell #2 15
sdf org #1 13
what is unix #24 6
gopherspace #9 5
randy savage cream of the crop #20 2
skylanders wii portal #15 2
interim computer museum #6 2
cream of the crop randy savage #19 1
rubout key #8 1
sdf address #30 1
sdf 9 #8 1
jabber server #29 1
gnu emacs tutorial #48 1
ecl lisp #11 1
ecl common lisp #11 1
free shells #5 1
wii portal of power #16 0
wireless portal skylanders #11 0
color quantizer #38 0
cream of the crop wrestler #25 0
cream always rises to the top macho man #34 0
system functions in c #49 0
system call unix #81 0

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

Audience

  • 75% phone
  • 25% desktop
  • United States

Countries where the site has Chrome traffic, strongest markets first.

Open Page Rank

7.45 / 10 · ranked #19,926 of all domains

1,034 referring domains · OpenPageRank

Search traffic

1,000 est. monthly organic visits (US)

90 keywords in Google's top 30

Core Web Vitals

LCP4 s
INP125 ms
CLS0.05
TTFB1500 ms

Real user p75, Chrome UX Report, Jun 2026.

Page

  • Weight: 0.0 MB · 3 requests

Homepage as crawled by the HTTP Archive, Jul 2026.

Subdomains

HostTechs
wiki.sdf.org 10
mastodon.sdf.org 9
social.sdf.org 9
git.sdf.org 8
lemmy.sdf.org 7
seven1m.sdf.org 6
www.sdf.org 6
ssh.sdf.org 5
laemeur.sdf.org 4
mx.sdf.org 4
philosophos.sdf.org 4
ratter.sdf.org 4
sdf.org 4
connect.sdf.org 3
pixelfed.sdf.org 3
thomask.sdf.org 2
turboperl.sdf.org 2
whoogle.sdf.org 2
akrl.sdf.org 1
every.sdf.org 1
ldbeth.sdf.org 1
old.lemmy.sdf.org 1

Full technology history →
Report an incorrect detection

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018