I HAVE INSERTED AN IMAGE TAG BUT WHEN I RUN IT it shows a blank space with border but no image

Question

<img src="coollogo_com-193051333" height="20%" width="100%" border="1px" alt=""/>

Answer 1

image format is not included?

<img src="coollogo_com-193051333(include your format here, either.jpeg or .PNG)" height="20%" width="100%" border="1px" alt=""/>