What powers sfdsschool.org?

Last seen Oct 2026 · 22 technologies across 14 categories

Analytics

Google Analytics
since Mar 2022

Authentication

Facebook Login
since Sep 2024

CDN

Cloudflare
since Apr 2024

Font scripts

Font Awesome
since May 2025

Fundraising & donations

OneCause
since Oct 2026

JavaScript libraries

Hammer.js v2.0.8
since Mar 2022
jQuery v3.5.1
since Mar 2022
jQuery UI v1.13.2
since Mar 2022
Lightbox
since Mar 2022
Modernizr v2.7.1
since Mar 2022

Miscellaneous

HTTP/3
since Apr 2024
Open Graph
since Nov 2022
RSS
since Dec 2022

PaaS

Amazon Web Services
since Mar 2022

Photo galleries

PhotoSwipe
since Apr 2024

Programming languages

Java
since Mar 2022

Rich text editors

Froala Editor v2+
since May 2025

Security

Cloudflare Bot Management
since Apr 2024
HSTS
since Apr 2024

Video players

YouTube
since Apr 2024

Webmail

Apple iCloud Mail
since Feb 2023
Google Workspace
since Nov 2022

AI Crawlers

robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.

  • robots.txt not checked
  • llms.txt not checked
  • ai.txt not checked

See who blocks each AI crawler across the web

AI Crawlers

Policy unknown

Full breakdown

Audience

  • United States

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

Open Page Rank

1.16 / 10 · ranked #10,375,076 of all domains

5 referring domains · OpenPageRank

Core Web Vitals

LCP1.3 s
INP100 ms
CLS0.05
TTFB500 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English
  • CDN: Cloudflare
  • Weight: 6.9 MB · 150 requests
  • Structured data: OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on Cloudflare (104.17.30.2, IPv6)
  • DNS: Cloudflare DNS
  • Email: Google Workspace
  • Email security: SPF (soft fail), DMARC reject
  • SSL: Let's Encrypt, ECDSA P256, wildcard, expires Oct 2026
  • Common Crawl link graph: rank 3,885,163, 2 hosts
  • Verified with: Apple Business

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

Subdomains

HostTechs
sfdsschool.org 22
www.sfdsschool.org 20

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