Free software
users have the freedom to run, copy, distribute, study, change and improve the software
https://www.gnu.org/philosophy/free-sw.en.html
Open source
https://en.wikipedia.org/wiki/The_Open_Source_Definition
- No discrimination against fields of endeavor, like commercial use
You are removing the terms software and source. The code is freely available and to be open source should be usable for whatever purpose.
As an aside, it’s used by smaller sites frequently to prevent overwhelming scraping that could take down the site, which has become far more rampant recently due to AI bots