refused to connect iframe code example

Example 1: html iframe connection refused

<iframe width="420" height="315" src="https://www.youtube.com/embed/eI4an8aSsgw">
</iframe>

Example 2: refused to connect iframe php

<iframe src="yourURL" height="200" width="300"></iframe>

Example 3: refused to connect iframe php

<iframe width="100%"  height="500px" src="https://www.amazon.in/s?k=jean" title="Amazon">
							</iframe>