What powers peninsulaschool.org?

Last seen Oct 2026 · 29 technologies across 15 categories

Analytics

CDN

Cloudflare
since Aug 2024

Databases

Firebase v9.14.0
since Aug 2024

Editors

CodeMirror v4.7.0
since Aug 2024

Email

Amazon SES
since Aug 2022
Sendgrid
since Aug 2022

Hosting

DreamHost
since Aug 2022

JavaScript frameworks

Backbone.js
since Jul 2025
Stimulus
since Mar 2026

JavaScript libraries

Htmx
since Nov 2025
jQuery v3.7.1
since Feb 2020
jQuery Migrate v3.5.2
since Aug 2024
jQuery UI v1.14.2
since Aug 2024
libphonenumber
since Jun 2025
Lightbox
since Aug 2024
Moment.js v2.30.1
since Aug 2024
Selectize
since Aug 2024
Underscore.js
since Jul 2025

Miscellaneous

HTTP/3
since Aug 2024
Open Graph
since Sep 2022

PaaS

Amazon Web Services
since Aug 2022

Programming languages

Java
since Aug 2024

Security

HSTS
since Sep 2022

Tag managers

Google Tag Manager
since Feb 2022

Video players

VideoJS
since May 2026

Webmail

Apple iCloud Mail
since Aug 2025
Google Workspace
since Aug 2022

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 Oct 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 65% desktop
  • 35% phone
  • United States

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

Open Page Rank

2.74 / 10 · ranked #2,102,397 of all domains

24 referring domains · OpenPageRank

Core Web Vitals

LCP2.3 s
INP75 ms
CLS0.35
TTFB1600 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English (United States)
  • CDN: Cloudflare
  • Weight: 5.8 MB · 92 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on Cloudflare (104.17.71.73)
  • DNS: DreamHost
  • Email: Google Workspace
  • Email security: SPF (soft fail), DMARC monitor only
  • SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
  • Common Crawl link graph: rank 2,356,534, 2 hosts
  • Verified with: Apple Business, Microsoft 365

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

Full technology history →
Report an incorrect detection

Recent changes

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