Hello,
Sorry for the delay in answering.
Provide the URL of the topic, not the number, please. Also, provide temporary wp-admin access, so we can take a closer look.
Also, if you put a picture as a background, then it will not be loaded on Lazy -> https://prnt.sc/FWInaHEK46u4 , so if it is an image, then it will be loaded on Lazy as it should be -> https://prnt.sc/hXzDaVV4Wz0t
Regards