What powers greatswim.org?

Last seen Sep 2026 · 43 technologies across 18 categories

Analytics

Facebook Pixel v2.9.241
since Jul 2021
Google Analytics
since Mar 2021

CDN

cdnjs
since Jul 2026
Cloudflare
since Jul 2025
jQuery CDN
since Jul 2026
jsDelivr
since Aug 2023
Unpkg
since Dec 2021

Font scripts

Bootstrap Icons v1.11.3
since Jul 2026
Font Awesome v6.6.0
since Mar 2021
Google Font API
since May 2023
Typekit
since Dec 2021

JavaScript frameworks

Prototype v1.7.3
since May 2023

JavaScript libraries

core-js v3.32.2
since Sep 2021
DataTables v2.3.7
since Jul 2026
Hammer.js v2.0.4
since Jul 2021
jQuery v1.8.3
since Mar 2021
jQuery UI v1.11.4
since May 2023
Modernizr v2.5.3
since May 2023
Moment.js v2.6.0
since May 2023
Select2
since May 2023
SweetAlert2 v11
since Jul 2026
Swiper
since Sep 2022

Load balancers

Amazon ALB
since Sep 2021

Marketing automation

Emarsys
since Aug 2024

Miscellaneous

Open Graph
since May 2023
Prism
since May 2023
PWA
since Dec 2025

Operating systems

Windows Server
since Mar 2021

PaaS

Amazon Web Services
since Sep 2021
Netlify
since Dec 2025

Programming languages

Ruby
since May 2023

Reverse proxies

Envoy
since May 2023

Security

Cloudflare Bot Management
since Jul 2025
HSTS
since May 2023
reCAPTCHA
since Dec 2025

Static site generator

Astro v5.14.1
since Dec 2025

Tag managers

Google Tag Manager
since Mar 2021

UI frameworks

Bootstrap v5.3.3
since Mar 2021
Tailwind CSS
since Dec 2025

Web frameworks

Microsoft ASP.NET v4.0.30319
since Mar 2021
Ruby on Rails
since May 2023

Web servers

IIS v10.0
since Mar 2021
Nginx
since Jul 2026

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Aug 2026 *: Allowed (was Restricted)
  • Aug 2026 *: Restricted (was Allowed)

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 79% phone
  • 21% desktop
  • United Kingdom

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

Open Page Rank

4.66 / 10 · ranked #377,385 of all domains

74 referring domains · OpenPageRank

Core Web Vitals

LCP1.3 s
INP75 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English
  • CDN: Netlify
  • Weight: 1.2 MB · 61 requests
  • Structured data: OpenGraph

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Industry: Arts and entertainment (declares Event)

From the homepage's own structured data (Sep 2026).

Infrastructure

  • Hosted on Amazon Web Services (18.208.88.157)
  • DNS: IBM NS1
  • Email: Mimecast
  • Email security: SPF (soft fail), DMARC monitor only
  • SSL: Let's Encrypt, ECDSA P256, wildcard, expires Jan 2027
  • Common Crawl link graph: rank 771,329, 4 hosts
  • Verified with: Google, Meta Business, Microsoft 365

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

Subdomains

HostTechs
www.greatswim.org 18
results.greatswim.org 17
info.greatswim.org 15
greatswim.org 8

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