Highlight: Use root-relative URLs for image links.
When you’re including an image that is served from the same domain as your document or page, use a root-relative URLURL A specific web address of a website or web page on the Internet, such as a website’s URL www.wordpress.org starting with /. Use this root-relative URL format (starting from the site root), even if you’re linking to a page in the same directory as the page you’re linking from.
{% codetabs %}
{% HTMLHTML HTML is an acronym for Hyper Text Markup Language. It is a markup language that is used in the development of web pages and websites. %}
Insert the URL in the src attribute of the <img> element:
<img src="/assets/images/wapuu.png" alt="The WordPress mascot Wapuu." />
{% Markdown %}
Insert the URL in parentheses after the image’s alt text:

{% end %}