What powers sfi.org?

Last seen Aug 2026 · 51 technologies across 25 categories

Analytics

CDN

Bunny
since Jun 2026

CMS

Drupal v11
since Nov 2024
WordPress
since Apr 2018

Databases

MySQL
since Jun 2018

Ecommerce

Cart Functionality
since Aug 2022

Email

Mailgun
since May 2026

Font scripts

Bunny Fonts
since Jun 2026
Font Awesome
since Apr 2018
Google Font API
since Apr 2018
Twitter Emoji (Twemoji)
since Jun 2018

Hosting

WordPress Multisite
since Jul 2023

JavaScript frameworks

Alpine.js v3.15.2
since Jun 2026

JavaScript Graphics

Chart.js
since Jun 2018

JavaScript libraries

Axios
since Jun 2026
core-js v3.15.0
since Aug 2022
Hammer.js v2.0.8
since Aug 2024
Isotope
since Mar 2023
jQuery v3.7.1
since Apr 2018
jQuery Migrate v3.4.1
since Apr 2018
jQuery UI v1.13.3
since Feb 2020
Modernizr
since Aug 2024
Selectize
since Mar 2023

Miscellaneous

Open Graph
since Sep 2022
PWA
since Aug 2022
RSS
since Dec 2022
Webpack
since Aug 2024

Operating systems

AlmaLinux
since Apr 2026
CentOS
since Dec 2020
Ubuntu
since Sep 2021

Page builders

Elementor v3.32.4
since May 2026

Payment processors

PayPal
since Aug 2022

Performance

Priority Hints
since Jan 2023

Programming languages

PHP
since Jun 2018

Rich text editors

Quill
since Jun 2026

Security

HSTS
since Nov 2024

UI frameworks

Animate.css
since Mar 2019
Bootstrap v4.6.2
since Apr 2018

Video players

YouTube
since Aug 2023

Web server extensions

OpenSSL v3.5.1
since Dec 2020

Web servers

Apache HTTP Server v2.4.62
since Jan 2019
Nginx v1.18.0
since Apr 2018

WordPress plugins

Contact Form 7 v5.9.8
since Aug 2024
Site Kit v1.132.0
since Aug 2024
TablePress
since Aug 2022
Themify Builder
since Aug 2024
Translate WordPress v6.0.20
since Aug 2024
Yoast SEO
since Jun 2024

WordPress themes

Astra v4.11.13
since Aug 2023
OnePage Express
since Aug 2024

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Sep 2026 * added to robots.txt
  • Aug 2026 * removed from robots.txt

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 62% desktop
  • 38% phone
  • United States
  • United Kingdom

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

4.05 / 10 · ranked #532,518 of all domains

50 referring domains · OpenPageRank

Core Web Vitals

LCP0.7 s
INP225 ms
CLS0
TTFB500 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English (United States)
  • Weight: 1.3 MB · 57 requests
  • WordPress theme: themify-ultra · all themes
  • Structured data: JSON-LD

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on Linode (Akamai) (192.155.94.117)
  • DNS: sfi.org
  • Email: no MX record returned, SPF names Mailgun
  • Email security: SPF (soft fail), DMARC monitor only
  • SSL: Sectigo, RSA 2048, wildcard, expires Nov 2026
  • Common Crawl link graph: rank 118,679, 57 hosts
  • Verified with: Google

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

Subdomains

HostTechs
ic2024.sfi.org 18
es.sfi.org 16
sciences.sfi.org 12
sfmc.sfi.org 12
www.sfi.org 11
ic.sfi.org 10
qm.sfi.org 10
academy.sfi.org 9
compass.sfi.org 9
medical.sfi.org 9
members.sfi.org 9
sfi.org 9
vic23.sfi.org 9
sfso.sfi.org 8
icreg.sfi.org 7
db.sfi.org 5
helpdesk.sfi.org 4
webmail.sfi.org 1

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