What powers sirwcd.org?

Last seen Sep 2026 · 27 technologies across 16 categories

Analytics

Ahoy
since Mar 2026
Pendo
since Mar 2026

CDN

Cloudflare
since Mar 2026
Imgix
since Mar 2026

Font scripts

Google Font API
since Mar 2026

JavaScript frameworks

AngularJS v1.8.3
since Mar 2026

JavaScript graphics

Chart.js
since Mar 2026

JavaScript libraries

Apollo v3.11.8
since Mar 2026
core-js v2.5.7
since Mar 2026
Flickity
since Mar 2026
jQuery v3.5.1
since Sep 2024
Moment.js v2.29.4
since Mar 2026

Miscellaneous

Open Graph
since Mar 2026

PaaS

Amazon Web Services
since Mar 2026

Programming languages

GraphQL
since Mar 2026
Ruby
since Mar 2026
TypeScript
since Mar 2026

RUM

New Relic
since Mar 2026

Search engines

Algolia v3.27.1
since Mar 2026

Security

Cloudflare Bot Management
since Mar 2026
hCaptcha v1
since Mar 2026
HSTS
since Mar 2026
reCAPTCHA
since Mar 2026

UI frameworks

Bootstrap v3.4.1
since Mar 2026

Web frameworks

Ruby on Rails
since Mar 2026

Web servers

Nginx
since Mar 2026

Webmail

Microsoft 365
since Sep 2024

AI Crawlers

Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.

Search and AI assistants

  • PetalBot Blocked

The other 32 AI crawlers we track are not mentioned and stay allowed by default.

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

See who blocks each AI crawler across the web

AI Crawlers

1 of 33 AI crawlers blocked

Full breakdown

Audience

  • United States

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

Open Page Rank

1.39 / 10 · ranked #7,591,519 of all domains

7 referring domains · OpenPageRank

Core Web Vitals

LCP2.2 s
CLS0.1
TTFB900 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English
  • Weight: 13.9 MB · 38 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

  • Hosted on Amazon Web Services (52.32.196.230)
  • Email: no MX record returned, SPF names Microsoft 365
  • Email security: SPF (hard fail), DMARC monitor only
  • SSL: Let's Encrypt, RSA 4096, expires Oct 2026
  • Common Crawl link graph: rank 17,102,595, 3 hosts

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

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