If I create a commercial website that uses MIT/BSD-3 libraries and plugins, do I have to specifically mention the licences of each plugin/library? If so where do I have to add the same? Are the comments that are present in the library js/css which credits the author enough? E.g.

/*! 
 * Bootstrap v4.1.3 (https://getbootstrap.com/) 
 * Copyright 2011-2018 The Bootstrap Authors 
 * Copyright 2011-2018 Twitter, Inc. 
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) 
 */

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The MIT license says

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

So the comments inside the library itself should be enough; just make sure they don't get stripped away by a minifier or equivalent.


As for BSD-3, assuming you're talking about this, you should include the full text - including the names of the authors, etc - in some page of the website.

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