Is there a specific order that HTTP tag attributes should be listed in?

Question

Should the attributes of any particular HTML tag be listed in a specific order? Is there a convention for the order? For example, I have the following image tag in an HTML

Answer 1

Nope not at all, the order doesn't matter. I tend to put attributes in the same order in my pages, just for consistency but it's isn't needed

Answer 2

No there isn't, but anyway you should follow make your own standard and follow it