It is proper Netiquette to keep a clean profile. Don’t maintain a cluttered profile.
Profile Update Clean For Business Networks
A clean profile is clean by web design standards. Few graphics. Space between sections. Flat structure. Use white space. Less is more. Sans serif fonts.
Graphics that match the color scheme of the overall domain make a profile look clean. No more than two lines of text for each section. San serif fonts are the ones without decorations. These things are noticed by viewers, considered attractive, and trending in the industry.
Profile Update Clean Netiquette
Keep a clean profile, white background and white space, because it increases engagement.