Page with textual and URL text alternatives

This is a link to a page containing an image.

Look at this map with a valid text alternative:

animated map of the USA

Defect 1: Look at this other map:

https://upload.wikimedia.org/wikipedia/commons/f/f7/Blank_map_of_states.png

Defect 2: This image has a file name as a text alternative:

header-major-on-light.svg

Defect 3: Look at this icon:

file://favicon.png

This map has an empty text alternative, but that does not violate the altScheme rule:

This map has a text alternative that starts with a URL but continues with other text, so it does not violate the altScheme rule:

https://urbaninstitute.github.io/r-at-urban/mapping is a place to get maps from the Urban Institute