Football prospects can join different platforms to have their CVs, reels and even game footage reviewed by scouts, agents and coaches. Some of these platforms charge fees; others are free.
Puberty affects boys and girls differently. Boys especially often grow through an awkward, ungainly stage where they no longer seem to be as coordinated. Girls often develop more quickly than boys, both mentally and physically. This is a large part of the reason why girls often commit to college teams before boys.