CHTML stands for "Compact HTML" and is the content description language used to generate pages for iMode devices. CHTML is a a subset of HTML.
Some additional tags, characters and features particular to the iMode platform have been added and this is often referred to as iHTML.
GMS Webmail provides an interface written in CHTML specifically for use with iMode devices. This interface can also be used by other PDA’s or browsers that do not support Java.