What powers stf.sk.ca?

Last seen Aug 2026 · 35 technologies across 20 categories

Analytics

Google Analytics
since Aug 2018

Caching

Litespeed Cache
since Aug 2023

CDN

cdnjs
since Jul 2023
Cloudflare
since Jul 2023

CMS

WordPress
since Jul 2023

Databases

MySQL
since Jul 2023

Email

Amazon SES
since Apr 2023

Font scripts

Font Awesome v4.7.0
since Sep 2024
Google Font API
since Jul 2023
Twitter Emoji (Twemoji)
since Jan 2026

JavaScript frameworks

Prototype v1.7
since Sep 2023

JavaScript libraries

core-js v3.39.0
since Jul 2023
jQuery v3.3.4
since Aug 2018
jQuery Migrate v3.4.1
since Aug 2018
jQuery UI v1.13.3
since Jul 2023
Modernizr v2.6.2
since Sep 2023
Select2
since Nov 2024
YUI v2.3.0
since Sep 2023

Load balancers

Application Request Routing v3.0
since Sep 2023

Miscellaneous

Azure Edge Network
since Jul 2023
HTTP/3
since Jul 2024
Open Graph
since Sep 2022

Operating systems

Windows Server
since Sep 2023

PaaS

Amazon Web Services
since Apr 2023

Programming languages

PHP
since Aug 2018

Security

HSTS
since Sep 2022
reCAPTCHA
since May 2024

Tag managers

Google Tag Manager
since Aug 2018

UI frameworks

Bootstrap
since Aug 2018

Web servers

IIS v10.0
since Sep 2023
Nginx v1.25.0
since Sep 2024

Webmail

Microsoft 365
since Aug 2022

WordPress plugins

Contact Form 7 v6.1.6
since Jul 2023
Yoast SEO v28.2
since Jul 2023

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

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 55% desktop
  • 45% phone
  • Canada

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

Open Page Rank

4.51 / 10 · ranked #400,748 of all domains

103 referring domains · OpenPageRank

Core Web Vitals

LCP1.1 s
INP50 ms
CLS0
TTFB900 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English (United States)
  • CDN: Cloudflare
  • Weight: 4.0 MB · 119 requests
  • WordPress theme: stf · all themes
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Saskatchewan Teachers’ Federation (Saskatchewan Teachers' Federation on Wikidata)
  • Country: Canada

From the homepage's own structured data (Sep 2026) and Wikidata (CC0).

Infrastructure

  • Hosted on Cloudflare (104.21.42.97, IPv6)
  • DNS: Cloudflare DNS
  • Email: Microsoft 365
  • Email security: SPF (neutral), DMARC quarantine
  • SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
  • Common Crawl link graph: rank 2,733,405, 6 hosts
  • Verified with: Adobe, Google, Sage Intacct

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

Subdomains

HostTechs
www.stf.sk.ca 27
libnet.stf.sk.ca 10
myhr.stf.sk.ca 7

Full technology history →
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