Ideas for “Iframe http://Www.W3Schools.Com Refused To Connect”:W3Schools doesn’t require any authentication so you can use it without problems. It even includes a search bar to help find the answer to your question without being redirected to another website.
In this situation you can reset the Iframe as the error will be resolved. The syntax is as follows:

• The src attribute is used to specify the URL (web address) of the page within the iframe.
• The height and width properties are used to specify the size of the iframe.