If pictures are missing, try reloading the webpage or changing Safari Appearance preferences.
Reload the webpage
In the Safari window, choose View > Reload Page, or click the Reload (curved arrow) button in the Safari toolbar.
Check your preferences
The option to display images may be turned off. To turn on webpage images:
Open Safari if it is not already open.
Choose Safari > Preferences, and then click Appearance.
Select “Display images when the page opens.”
Try opening a different page
If images appear on other webpages, the problem may be limited to a particular page. Contact the owner of the website for assistance.
Check the Develop menu
If you are developing a website, open the Safari Develop menu and make sure that Disable Images is not selected.