How to Write LinkedIn Messages That Get Responses

The average LinkedIn message response rate sits around 20-25% for cold outreach, according to data from LinkedIn's Sales Solutions team. That means four out of five messages go unanswered. For job seekers, those are bad odds when every conversation could be the one that leads to a referral, an introduction, or a direct path to a hiring manager. The difference between messages that get replies and messages that get ignored comes down to a handful of concrete factors: who you're writing to, how long your message is, what you ask for, and when you send it.

This guide breaks down each factor with examples and templates you can start using today. Whether you're reaching out to a stranger at a target company or following up with someone you met at a conference last year, the principles are the same. Clear, short, specific, and easy to say yes to.

Cold vs. Warm LinkedIn Messages

Cold and warm messages require different approaches because the relationship context changes everything. Understanding which type you're sending determines the tone, length, and ask you should use.

Cold messages go to people you have no prior relationship with. No mutual connections, no shared history, no previous interaction. You're a stranger in their inbox, and they owe you nothing. Cold messages need to earn attention in the first sentence and make a specific, low-friction ask.

Warm messages go to people who know you or have some context for who you are. Former colleagues, people you've met at events, LinkedIn connections you've engaged with, or second-degree connections where a mutual contact can provide an introduction. Warm messages can skip the credibility-building and get straight to the ask, because the recipient already has a reason to care.

The data reflects this difference. LinkedIn reports that InMail response rates for messages with a shared connection or shared context are roughly 2x higher than fully cold outreach. A warm path changes the math entirely. If you have any connection to the person, even a thin one, use it. For strategies on finding those warm paths, see our guide to warm intro message templates.

The Ideal LinkedIn Message Length

Messages under 100 words get a 50% higher response rate than longer messages, based on LinkedIn's analysis of millions of InMails. Keep your messages short enough to read entirely on a phone screen without scrolling.

Why does brevity work so well? Because LinkedIn messages compete with email, Slack, texts, and every other notification on the recipient's phone. Your message gets a few seconds of attention before the person decides to reply, save for later, or move on. Every unnecessary sentence reduces the chance of a reply.

Here's a simple test: read your message out loud. If it takes more than 15 seconds, it's too long. Cut the throat-clearing ("I hope this message finds you well"), cut the autobiography ("I have 12 years of experience spanning multiple industries including..."), and get to the point.

The structure for an effective LinkedIn message is three parts:

1. Context. Why are you reaching out to this specific person? One sentence. "I saw your post about [topic]" or "We have 4 mutual connections in the B2B SaaS space" or "I noticed you're heading up product at [Company]."
2. Relevance. Why should they care? One sentence that connects your background to their world. "I've spent the last 5 years leading product teams at growth-stage SaaS companies" or "Your team's approach to [specific thing] is similar to what I built at [Company]."
3. Ask. What do you want? One sentence with a specific, easy action. "Would you have 15 minutes this week for a quick call?" or "Would you be open to connecting me with your hiring manager?" Keep the ask as small as possible.

Three sentences. That's a complete LinkedIn message. You can expand slightly if you need to, but the three-sentence framework keeps you disciplined.

Subject Lines That Get Opened

InMail messages include a subject line. Connection request notes don't. If you're sending an InMail, the subject line determines whether your message gets opened at all, similar to email. Here's what works and what doesn't.

Effective subject lines are short, specific, and reference something the recipient recognizes. They create just enough curiosity to earn a click without feeling clickbaity.

• "Quick question about [Company]'s [Team] team" Specific and low-stakes. The recipient knows exactly what the message is about before opening it.
• "[Mutual Connection] mentioned your name" Social proof in four words. If you have a shared contact, lead with that.
• "Your post about [topic] + a quick ask" Shows you've engaged with their content, which separates you from mass outreach.
• "Fellow [industry/role] with a quick question" Establishes shared identity immediately.

Subject lines to avoid:

• "Reaching out" / "Quick hello" Too vague. No reason to open over the 20 other messages in their inbox.
• "Exciting opportunity" Reads like spam. The recipient assumes you're a recruiter or salesperson.
• "I'd love to pick your brain" Asking for free time from a stranger with no context for why they should give it. The phrase "pick your brain" is one of the most commonly cited turnoffs in networking surveys.
• Anything over 10 words Subject lines get truncated on mobile. Keep it under 8 words.

Templates for Different Scenarios

Here are four LinkedIn message templates covering the most common job search situations. Each one follows the context-relevance-ask structure and stays under 100 words.

Template 1: Cold Outreach to a Hiring Manager

This works because you're addressing the person who owns the hiring decision, referencing a specific role, and asking for a conversation (low commitment) rather than a job (high commitment).

Template 2: Warm Outreach to a Connection at the Company

The key here is giving them two options for how to help: chat directly, or point you to the right person. Both are low-effort responses, which increases the chance of a reply.

Template 3: Following Up After Engaging With Their Content

Referencing specific content proves you're a real person who pays attention. It transforms what would be a cold message into something closer to a warm one.

Template 4: The Mutual Connection Introduction

This is the highest-response template on this list. A name they recognize in the first line immediately separates you from cold outreach. Make sure you've confirmed with the mutual connection that they're comfortable being referenced before you send this.

When to Send LinkedIn Messages

Timing matters more than most people realize. A message sent at the right time catches the recipient during a natural check-in window. A message sent at the wrong time gets buried under newer notifications and never surfaces again.

The best windows for LinkedIn outreach, based on engagement data across the platform:

• Tuesday through Thursday, 8 AM to 10 AM in the recipient's time zone. This is when professionals are checking LinkedIn as part of their morning routine, before meetings take over the day.
• Tuesday through Thursday, 5 PM to 6 PM as a secondary window. People often check LinkedIn during the wind-down portion of the workday.
• Avoid: Monday mornings (inbox overload from the weekend), Friday afternoons (mentally checked out), and weekends (low engagement, message gets buried by Monday).

If you're messaging someone in a different time zone, adjust your send time to hit their morning window. A message sent at 6 AM Pacific hits 9 AM Eastern. Use LinkedIn's location data on their profile to estimate their time zone.

Follow-Up Strategy Without Being Annoying

Most people don't follow up at all. That's a mistake. A single follow-up message can double your response rate because it catches people who intended to reply but got distracted, which is most of them.

The rules for following up:

Wait 5-7 business days. Anything sooner feels pushy. Anything longer and the original message has fallen too far down their inbox to remember.

Keep it to two sentences. Your follow-up should be shorter than the original message. Don't restate your whole pitch. The person already read it (or at least saw it). Just nudge gently.

That's the entire follow-up. It's polite, low-pressure, and gives them an out. The "no worries if the timing doesn't work" line is critical because it removes any guilt about not replying.

Two messages maximum. The original message and one follow-up. That's it. A third message crosses the line from persistent to annoying, and you'll damage the relationship for any future outreach. If two messages don't get a reply, the answer is no (or not now), and you should move on.

Connection Requests vs. InMail

You have two main channels for reaching people on LinkedIn: connection requests (with an optional 300-character note) and InMail (available to Premium subscribers, with a subject line and up to 1,900 characters). Choosing the right channel affects your response rate.

Use connection requests when:

• You share mutual connections, a company, a school, or an industry
• You've engaged with the person's content (liked, commented, shared)
• The person has an open connection policy (common in sales, recruiting, and marketing)

Use InMail when:

• You have zero shared context and the person's profile is restricted
• You need more than 300 characters to establish credibility (rare, but it happens for very senior executives)
• The person is a C-level executive or very high-profile and unlikely to accept random connection requests

Connection requests with a personalized note tend to outperform InMail for response rates, and they don't cost credits. The 300-character limit forces conciseness, which works in your favor. Most people accept connection requests from people in their industry, especially when the note references something specific.

For more on how to respond when the messages come to you, see our guide on how to respond to recruiter messages on LinkedIn.

Frequently Asked Questions