You should always have an Alt attribute in your img tags
<img src="https://i.sstatic.net/bGZ1m.png" width="80" height="43">
<img src="https://i.sstatic.net/bGZ1m.png" width="80" height="43"
alt="Toy Airplane - Based on public domain image
http://pixabay.com/en/aeroplane-aircraft-airplane-flight-161999/" >
new lines added for less scrolling and not necessary
Alt attribute can be anything but should describe the image, it's used for many different things including screen readers for visually impaired users.