I recommend https://www.nngroup.com/reports/usability-guidelines-accessible-web-design/ https://www.nngroup.com/reports/usability-guidelines-accessi... If you

I recommend https://www.nngroup.com/reports/usability-guidelines-accessible-web-design/ https://www.nngroup.com/reports/usability-guidelines-accessi... If you want to really get into. A general note is the context around the image is just as important as the alt text.