What powers keyman.or.jp?

A/B Testing

Google Optimize

since Jul 2021

Analytics

Facebook Pixel v2.9.48

since Jul 2021

Google Analytics

since Jun 2018

New Relic

since Nov 2018

JavaScript libraries

core-js v3.0.0

since Sep 2021

jQuery v3.1.1

since May 2018

Load balancers

Amazon ELB

since Sep 2021

Marketing automation

Pardot

since Jun 2018

Miscellaneous

Babel

since Nov 2021

PaaS

Amazon Web Services

since Sep 2021

Programming languages

Java

since Nov 2021

Ruby

since Nov 2018

Reverse proxies

Nginx

since Nov 2018

Tag managers

Google Tag Manager

since May 2018

Web frameworks

Ruby on Rails

since Nov 2018

Widgets

Facebook

since Jun 2018