blade.
Where the 15–30× comes from

LinkedIn post vs. email to people who've already written to you.


Your email click-through rate (CTR) will absolutely crush your LinkedIn post CTR. You are looking at a projected performance difference of roughly 15× to 30× in favor of the emails.

Here is a realistic comparison, along with the rationale and math behind why the gap is so massive.

The numbers, side-by-side

MetricLinkedIn organic postUltra-warm personal email
Estimated click-through rate0.5%–1.5% (of total impressions)15.0%–30.0%+ (of total sends)
Audience relationshipWeak / passive (algorithmic feed)Hyper-engaged (proven dialogue history)
Delivery guaranteeExtremely low (~10% of network sees it)Near 100% (direct to primary inbox)

Rationale: why email wins by a landslide

1. The power of “5 times in 3 years” (hyper-warm context)

Standard “cold” B2B email CTRs linger around 1.5% to 3.5%, and standard opt-in newsletters sit around 2% to 4%. However, your list isn't cold or generic marketing data.

Someone who has initiated or participated in an email exchange with you at least 5 separate times over the last few years represents an incredibly warm, high-value segment.

  • Trust factor. They know exactly who you are. Your name in their inbox has immediate authority and recognition.
  • Deliverability. Because you have a history of two-way communication, your emails will bypass spam filters and land squarely in their Primary inbox tab.
  • The “obligation” effect. If you personally send a direct email with a single, clear link or request, their intent to open and act is massive. Assuming your message is personalized and relevant, you can easily expect an 80%+ open rate, and a massive chunk of those openers will click.

2. The algorithmic friction of LinkedIn

An organic LinkedIn post operates under entirely different constraints:

  • The “click-less” algorithm. Platform algorithms heavily penalize posts containing external links because they want to keep users on the site. If you drop a link directly into the post body, LinkedIn intentionally throttles its reach.
  • The scroll mentality. People on LinkedIn are passively scrolling a feed, not actively managing a personal inbox. Even if your post gets thousands of impressions, platform benchmarks show that the true click-through rate on link-driven posts rarely clears 1%.
  • Attention dilution. On LinkedIn, your link is competing with photos, videos, comments, and notifications. In an email, you control the entire canvas.

The bottom line

If you want broad, top-of-funnel awareness or serendipitous discovery, post it on LinkedIn. But if you have a specific, high-intent action you want people to take, emailing that hyper-segmented group of historical contacts will give you an unparalleled response rate.


That hyper-segmented group is what blade.net builds for you.

Connect your inbox once. blade ranks the humans who've actually written to you, you pick who to message, and we send a personalized email from your own Gmail.

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