Screenshot the entire web-page
Safari now has a ScreenCapture feature built-in, as explained in the article Full Page Screenshots in Browsers:


  In Safari DevTools, select a node, right-click, and you'll see Capture Screenshot in the context menu.


There isn't a keyboard shortcut AFAIK, but it is available without additional third-party software. To capture the entire page, you would right-click on the &lt;html&gt; or &lt;body&gt; node, as demonstrated in this image from the CSS-Tricks article: