The gratification of the sample trial site Website Development Inergy Automotive Systems (Thailand) Ltd. with Joomla application number 25 on the assessment made that the trial Website Development Inergy Automotive Systems (Thailand) Ltd. with Joomla the most satisfied in website Website Development Inergy Automotive Systems (Thailand) Ltd. with Joomla has. Overall satisfaction with the high level (= 4.25, SD = 0.18).