Please note that this article only applies to EditLive! versions 7.6 and below
EditLive! is automatically deployed to clients without needing to run any client-side installers. Additionally, the editor once it has downloaded the editor is cached on the client side so that it doesn't need to be downloaded again in the future. Note that when the user starts a new browser session EditLive! will check for any updates on the server which may look like it's downloading again, but is actually much faster. You can control how often EditLive! checks for updates to the editor by configuring the HTTP cache control headers in your server. Refer to Caching & EditLive for additional details.
Additionally, you can pre-load the editor in the background to further improve start up time, especially when accessing the editor for the first time. This is done using the QuickStart functionality. It's as simple as:
See the QuickStart documentation for more information.
For more ways to improve the start up time of EditLive! see the article in the EditLive! SDK on optimizing load times.