Gmail only loads the images when you load the message. It's been that way since late 2013. https://arstechnica.com/information-technology/2013/12/dear-gmailer-i

Gmail only loads the images when you load the message. It's been that way since late 2013. https://arstechnica.com/information-technology/2013/12/dear-gmailer-i-know-what-you-read-last-summer-and-last-night-and-today/ https://arstechnica.com/information-technology/2013/12/dear-...