Similar to the Sparklines in KendoUI - http://demos.kendoui.com/dataviz/sparklines/index.html

As we can find in telerik documentations, there are various controls properties that can be set from web.config. Like skin, render mode, etc.
It is done with a list of keys under <appSettings> section in the web.config. See link below.
https://docs.telerik.com/devtools/aspnet-ajax/general-information/web-config-settings-overview#control-properties-you-can-set-from-the-webconfig

My sugestion is to add in this list the localization path property. So we can centralize the resources files location for big projects, like a web site under IIS with many webapplication under one site.

An updated version of a sample application using the WIRIS editor plugin within the RadEditor.  Ideally with the ability to save the content and retrieve it.

http://www.wiris.com/plugins/docs/radeditor

http://demos.telerik.com/aspnet-ajax/editor/examples/contentareamodediv/defaultcs.aspx

1. Delete the content
2. Choose AutoResizeHeight from the Configurator

Expected: The contentarea's height equals its wrapper

The Editor's Insert External Video does not insert the required allowfullscreen="allowfullscreen" attribute into the iframe tag.  You can see this in your demos