What powers hedonometer.org?

Last seen Aug 2026 · 9 technologies across 9 categories

Analytics

Google Analytics vUA
since Jun 2020

CDN

jsDelivr
since Jan 2021

JavaScript graphics

D3 v4.13.0
since Jun 2020

JavaScript libraries

jQuery v1.11.0
since Jun 2020

Operating systems

Ubuntu
since Jun 2020

Programming languages

Python
since Jun 2020

UI frameworks

Bootstrap
since Jun 2020

Web frameworks

Django
since Jun 2020

Web servers

Nginx v1.24.0
since Jun 2020

AI Crawlers

No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.

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

See who blocks each AI crawler across the web

AI Crawlers

No robots.txt, all AI crawlers allowed

Full breakdown

Open Page Rank

4.69 / 10 · ranked #348,898 of all domains

128 referring domains · OpenPageRank

Page

  • Language: English
  • Weight: 1.1 MB · 19 requests
  • Structured data: Microdata, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Infrastructure

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

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