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Bootstrap is a popular HTML/CSS-Framework. It is an easy way to start a website. You can check it out here.

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Umbraco: The OwinStartupAttribute.FriendlyName value ‘UmbracoDefaultOwinStartup’ does not match the given value

Umbraco error: Owin​​Startup​Attribute.​​Friendly​Name

Everybody who is developing with Umbraco sooner or later gets this error message:The following errors occurred while attempting to load the app. - The OwinStartupAttribute.FriendlyName...