The words you use in an email subject line can make a big difference to whether someone opens your message or ignores it.
Research based on billions of emails shows that certain words consistently attract more attention and improve open rates.
Mailchimp popular subject line words (from analysis of 9.5+ billion emails):
posts, jobs, survey, week’s, e-newsletter, issue, digest.
HubSpot top-performing subject line words (from data on 500,000+ emails):
secret, e-sales, awesome, skills, ebook, helpful, shipping.
Use these words naturally and sparingly in relevant campaigns to improve curiosity and engagement.
Source: www.mequoda.com
