I'm at the point now where I've realized that nothing is ever the solution all the time. It's a little frustrating.
I used to use the rule of thumb that JPEG was for images, and PNG for charts, and things with text.
But these days I go through each image I get from the art department and optimize it myself in Photoshop, cycling through a series of presets.
To my surprise, depending on the image, sometimes an 8-bit PNG will end up smaller than a JPEG, and provide better visual quality.
Naturally, your mileage will vary; at participating locations; not valid in Alaska, Hawaii, or Puerto Rico; no cash value; batteries not included; do not taunt Happy Fun Ball.
I used to use the rule of thumb that JPEG was for images, and PNG for charts, and things with text.
But these days I go through each image I get from the art department and optimize it myself in Photoshop, cycling through a series of presets.
To my surprise, depending on the image, sometimes an 8-bit PNG will end up smaller than a JPEG, and provide better visual quality.
Naturally, your mileage will vary; at participating locations; not valid in Alaska, Hawaii, or Puerto Rico; no cash value; batteries not included; do not taunt Happy Fun Ball.