IJRU was announced in 2018 as a result of the merger of the International Rope Skipping Federation and the World Jump Rope Federation
IJRU originally launched their website in mid-2018 on http://ijru.org fragments of which can be found on the Internet Archive.
The IJRU Technical Committee shortly thereafter launched it's web presence on https://tc.ijru.org mid-October 2018. Where updates about the developing IJRU Rules were published.
Around May-July 2019 the Technical Committee site replaced the main IJRU site as they were unified under https://ijru.sport