You accept a connection request, and within seconds, a sales pitch lands in your inbox. You share insightful content, and someone copies it word-for-word the next day without attribution. You send a thoughtful message to a prospect, and they ghost you completely, only to appear three months later asking for a favour.
Welcome to LinkedIn, where professional etiquette seems to have gone to die.
The platform has matured, but the behaviour of many people hasn’t kept pace. Understanding the unwritten rules of LinkedIn isn’t about being polite for politeness’s sake. Proper etiquette directly affects your business results. People do business with professionals they trust. Trust begins with respecting basic social norms.
The connection request conundrum
Sending connection requests without personalised messages has become so common that many professionals now accept it as normal. Don’t fall into that trap. A blank connection request suggests you’re collecting contacts rather than building relationships. Even a single sentence acknowledging why you want to connect turns a generic request into a genuine overture.
If you exchanged business cards at a conference last week, a simple “Great meeting you at the Bristol summit” is enough. For everyone else, explain the connection point: mutual interests, shared group membership, complementary industries, or specific content they’ve shared that resonated with you.
Never send connection requests immediately after viewing someone’s profile multiple times. You’re not as invisible as you think. If you viewed someone’s profile five times, then sent a connection request, it feels stalkerish rather than strategic.
The immediate pitch problem
Nothing destroys professional credibility faster than the “connect and pitch” approach. You know the pattern: accept a connection request, and within minutes, receive a lengthy sales message about services you never expressed interest in. Anyone using this tactic announces they view LinkedIn as a spam distribution system rather than a professional network.
The proper approach requires patience. After someone accepts your connection request, thank them briefly. Engage with their content over the following weeks. Comment on their posts. Build familiarity before attempting any business conversation. When you eventually reach out with a proposal or offer, you’re a known quantity rather than a stranger.
Comment section conduct
LinkedIn comments are a high ROI opportunity, but most professionals waste them with meaningless reactions. “Great post!” and “Thanks for sharing!” add nothing to the conversation. Your comments should extend the discussion, offer alternative perspectives, or add relevant examples from your own experience.
Long comments, however, can be equally problematic. When your comment becomes longer than the original post, you’re hijacking the conversation. Save your extensive thoughts for your own posts. In the comment section, aim for 2-4 sentences that add value without overshadowing the author.
Disagreeing in comments requires particular care. You can challenge ideas without attacking people. Doing so respectfully can generate more visibility than agreement. Frame disagreements as “I’ve found a different approach works better in these situations” rather than “You’re wrong about this.”
Never promote your services in someone else’s comment section unless explicitly asked. When someone shares a challenge in their post and your immediate response is “We can help with that! DM me,” you’ve crossed from helpful to predatory.
Content borrowing boundaries
Finding inspiration in other people’s content is natural and encouraged. Copying their content and presenting it as your own is theft, plain and simple. The line between inspiration and plagiarism is clearer than most people pretend.
If you’re sharing someone’s framework, methodology, or specific insights, credit them by name in your post. “I learned this approach from [Name]” or “Building on [Name]’s concept of…” acknowledges the source and lets you add your own perspective.
Resharing content, not screenshots. When you use LinkedIn’s native share feature, you’re amplifying the original post and directing engagement back to the author. Add your own thoughts to the share rather than simply hitting the button, and you’ve provided value to the original author and your own network.
Message etiquette essentials
Message length matters more than you may realise. Opening a LinkedIn message to find a 500-word essay is overwhelming. Keep your initial messages under 100 words. If you need to share substantial information, ask permission first.
Response times in LinkedIn messages aren’t as urgent as text messages or email. Giving someone 2-3 business days to respond before following up is reasonable. Daily “just checking in” messages make you look desperate.
When someone doesn’t respond to your message after a reasonable period, move on. Sending multiple follow-ups crosses into harassment territory.
Endorsement and recommendation protocol
Endorsing someone for skills they clearly don’t possess damages their credibility and yours. Don’t mindlessly click skill endorsements for everyone in your network. Endorse skills you’ve genuinely witnessed in action or received value from professionally.
Requesting recommendations requires thoughtful timing. Never ask someone for a recommendation immediately after connecting or when you’ve never worked together. The appropriate time to request a recommendation is shortly after completing a project or engagement, while the experience is fresh.
When someone writes you a recommendation, reciprocating immediately looks transactional. Wait at least a few weeks before offering to write one in return. Better yet, write recommendations for people without being asked. The gesture carries more weight when unsolicited.
The profile maintenance standard
Your LinkedIn profile isn’t a CV you update once yearly. When you change roles, update your profile promptly. When you learn new skills or earn credentials, add them. An outdated profile suggests you’re either inactive on LinkedIn or no don’t care about professional presentation.
Profile photos matter more than most professionals acknowledge. Using a casual photo, a group photo, or no photo at all sends signals about your professionalism. You don’t need expensive professional photography, but you need a clear, current image where you look approachable and professional.
Building reputation through consistency
LinkedIn etiquette ultimately comes down to treating the platform as what it is: a professional space deserving of professional behaviour. The standards you maintain in face-to-face business interactions should guide your LinkedIn conduct.
Before posting, commenting, or messaging, ask yourself if you would do this in person at a professional conference. If the answer is no, reconsider your approach. LinkedIn is a digital conference. The same social rules apply.
Your reputation on LinkedIn compounds over time. One etiquette violation might be overlooked, but patterns of behaviour create lasting impressions. Every interaction either builds or erodes the professional brand you’re working to establish.
How are you showing up on LinkedIn today?
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