What powers tcr.org?

Last seen Aug 2026 · 12 technologies across 9 categories

Analytics

Google Analytics vUA
since Jun 2020
Statcounter
since Jun 2020

CDN

Amazon S3
since Jul 2023

Editors

CodeMirror v3.20.1
since Jun 2020

Font scripts

Font Awesome
since Jul 2023

JavaScript libraries

core-js v2.5.0
since Dec 2021
jQuery v1.8.2
since Jun 2020
Lightbox
since Jul 2023

Miscellaneous

Webpack
since Jun 2020

PaaS

Amazon Web Services
since Jul 2023

Payment processors

PayPal
since Apr 2024

Security

HSTS
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

  • 87% desktop
  • 14% phone
  • United States
  • India
  • South Korea

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

Open Page Rank

3.69 / 10 · ranked #769,167 of all domains

78 referring domains · OpenPageRank

Core Web Vitals

LCP1.7 s
INP25 ms
CLS0
TTFB900 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Weight: 1.7 MB · 59 requests

Homepage as crawled by the HTTP Archive, Sep 2026.

Subdomains

HostTechs
tcr.org 12
www.tcr.org 12

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