lemlab
Make smart decisions faster

The newest outreach data insights backed by millions of successful lemlist campaigns directly in your pocket.

What is lemlab?

lemlab is the ultimate resource for data insights powered by lemlist data.
We analyzed millions of successful cold outreach campaigns and cold emails sent by lemlist users to give you data-driven and concrete results.
We found out what works so you can actually get customers and win more deals. Starting now.
25181M+
cold emails
251M+
outreach campaigns
2525K+
active users
1111K+
paying teams
How many cold email follow-ups should you send?  The data says 4-9
An analysis of the optimal number of cold email follow-ups that you should be sending to your prospects. Plus examples and templates...
lemlist team  | Jun 7, 2024
How to start an email: 25 high-conversion greetings & intro lines
Check out these 25 high-conversion email opening lines that will help you get more replies and book more meetings. Plus a data...
lemlist team  | Jun 8, 2024
B2B Cold Email Subject Lines that convert (data+examples)
The 6 elements of subject lines that convert, based on analysis of millions of cold outreach campaigns. Plus 10 proven successful B2B
lemlist team  | Jun 9, 2024

Proven sales insights
backed by lemlist data

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
No items found.

Get more actionable
outreach tips on our blog

Cold Emailing
lemlab

Call-to-action in emails: data-driven tips & examples that convert

Bad CTAs make users stall on buying a product or signing up for a service. Learn to write a perfect CTA and get examples to tell your user exactly what to do.
lemlist team
Nov 26, 2024
Cold Emailing
lemlab

Hoe start je een e-mail: 25 begroetingen en introductielijnen met een hoge conversie

Bekijk deze 25 openingszinnen voor e-mails met een hoge conversie die u zullen helpen meer antwoorden te krijgen en meer vergaderingen te boeken. Plus een gegevensanalyse van de beste manieren om een e-mail te starten.
lemlist team
Nov 26, 2024
Cold Emailing
lemlab

B2B-onderwerpen voor koude e-mail die converteren (+ voorbeelden)

De 6 elementen van onderwerpregels die converteren, gebaseerd op een analyse van miljoenen cold outreach-campagnes. Plus 10 bewezen succesvolle onderwerpregels voor koude e-mails voor B2B.
lemlist team
Nov 26, 2024
Cold Emailing
lemlab

Use data to optimize your cold email length and get more replies

Discover the ideal cold email length to boost reply rates and book more meetings. Get tips based on in-depth analysis of millions of outreach campaigns.
lemlist team
Nov 26, 2024
Cold Emailing
lemlab

Schrijf een effectieve koude e-mailhandtekening in 5 stappen

Gebruik 5 bruikbare stappen om koude e-mailhandtekeningen te schrijven die de aandacht trekken en uw potentiële klanten naar beneden in de verkooptrechter duwen.
Tony Do
Nov 26, 2024
Sign up for free
//What is lemlab number counter animation