I have managed an internet cafe for eight years at the same time doing research work. I am also a volunteer in an organization tasked at preparing project proposals and supervising the implementation of such.
Onlinejobs.ph "ID Proof" indicates if "they are who they say they are".
It DOES NOT indicate skill level.
ID Proof scores are 0 - 99 with 99 being the best. It is calculated based on dozens of data points.
It's intended to help employers know who they're talking to is real, and not a fake identity.