What powers stockfish.ca?

Last seen Sep 2026 · 37 technologies across 21 categories

A/B Testing

Adobe Target v2.11.7
since Jul 2021

Analytics

Adobe Analytics
since Dec 2020
Facebook Pixel v2.9.398
since Jul 2021
Google Analytics
since Jan 2019

CDN

Cloudflare
since Jun 2022
jsDelivr
since Aug 2025

CMS

WordPress v7.1
since Aug 2025

Customer data platform

Databases

MySQL
since Aug 2025

Font scripts

Font Awesome
since Jan 2019
Twitter Emoji (Twemoji)
since Dec 2025

JavaScript frameworks

Backbone.js v1.6.1
since Aug 2025
GSAP
since Jan 2019
Marionette.js v2.4.2
since Aug 2025
Vue.js v2.6.14
since Aug 2025

JavaScript libraries

core-js v3.32.2
since Sep 2021
jQuery v3.7.1
since Jan 2019
jQuery Migrate v3.4.1
since Jun 2022
Slick
since Jun 2022
Underscore.js v1.13.8
since Aug 2025

Maps

Google Maps
since May 2019

Miscellaneous

HTTP/3
since Aug 2025
Open Graph
since Aug 2025

PaaS

Kinsta
since Aug 2025

Page builders

WordPress Block Editor
since Aug 2025

Performance

Priority Hints
since Aug 2025

Programming languages

PHP
since Aug 2025

Security

Cloudflare Bot Management
since Aug 2025

Segmentation

Adobe Audience Manager
since Apr 2022

SEO

Ahrefs
since Dec 2025

Tag managers

UI frameworks

Tailwind CSS
since Aug 2025

WordPress plugins

Ninja Forms v3.15.2
since Aug 2025
Site Kit v1.186.0
since Nov 2025
Stackable v3.20.1
since Aug 2025
Yoast SEO v28.4
since Aug 2025

AI Crawlers

Blocks 3 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • Bytespider Blocked
  • CCBot Blocked
  • Applebot-Extended Allowed
  • ClaudeBot Allowed
  • Google-Extended Allowed
  • GPTBot Allowed
  • meta-externalagent Allowed

Search and AI assistants

  • PetalBot Blocked
  • Amazonbot Allowed
  • Applebot Allowed
  • Claude-SearchBot Allowed
  • DuckAssistBot Allowed
  • OAI-SearchBot Allowed
  • PerplexityBot Allowed

User-request fetchers

  • ChatGPT-User Allowed
  • Claude-User Allowed
  • meta-externalfetcher Allowed
  • Perplexity-User Allowed

The other 15 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

Content Signals: search=yes ai-train=yes ai-input=yes declared in robots.txt

  • Sep 2026 meta-externalagent added to robots.txt
  • Sep 2026 bytespider added to robots.txt
  • Sep 2026 ccbot added to robots.txt
  • Sep 2026 chatgpt-user added to robots.txt
  • Sep 2026 applebot-extended added to robots.txt
  • Sep 2026 Content Signals changed

See who blocks each AI crawler across the web

AI Crawlers

3 of 33 AI crawlers blocked

Standards: llms.txt, Content Signals

Full breakdown

Audience

  • 64% phone
  • 36% desktop
  • Canada

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

Open Page Rank

0.50 / 10 · ranked #25,127,479 of all domains

1 referring domains · OpenPageRank

Core Web Vitals

LCP1.9 s
INP125 ms
CLS0
TTFB1000 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: English (Canada)
  • CDN: Cloudflare
  • Weight: 4.4 MB · 117 requests
  • WordPress theme: lbx-egypt (child: baseresources) · all themes
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

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

Infrastructure

  • Hosted on Cloudflare (162.159.135.42)
  • DNS: internic.ca
  • Email: no MX record returned
  • SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
  • Common Crawl link graph: rank 26,469,218

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

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