These are the errors that appear to me when I test the status of my site on page speed. Can someone tell me the solution to them?

• Search engines may use href attributes on links to crawl websites. Ensure that the href attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

-Image elements do not have [alt] attributes

-Image elements do not have [alt] attributes

-Page isn’t blocked from indexing
Warnings: The following bot user agents are blocked from crawling: archive.org_bot. The audit is otherwise passing, because at least one bot was explicitly allowed.

I thought it was inside Google’s control panel, my store’s control panel, or from the CSS code, but there was none