Photo size affects readability more than most users realize. A profile image should support the biodata, not dominate it.
Keep the Main Photo Prominent but Controlled
The photo should be easy to recognize on mobile, but it should not push key text below the fold or force the rest of the page into cramped spacing.
Optimize for PDF Output
Use a clear image with sensible dimensions so the PDF stays sharp without becoming too heavy to share over WhatsApp or email.