A couple of weeks ago I released version 1.3 of “Plugin Load Times” for QGIS. It now has a new default sorting: The plugins that are the slowest to load at QGIS startup, will be shown at the top of the list. The other thing that changed is the order of the buttons. This plugin can be installed from within QGIS 2.x or 3.x, because it is available from the official QGIS plugin repository. So check out which plugins make QGIS slow to start on your computer!