An easy way to boost your GIS skills in an afternoon

ESRI's training site offers endless training programs for anyone, whether they are brand new to the world of GIS, or are a seasoned professional. Completing training courses on the website rewards users with certificates which they can later provide to employers as proof of their proficiency with ESRI software. There's no doubt that all GIS professionals have a thing or two to learn from an ESRI training course.

https://www.esri.com/training/