{"id":80853,"date":"2024-07-19T20:53:23","date_gmt":"2024-07-19T20:53:23","guid":{"rendered":"https:\/\/mailrelay.com\/glossary\/email-preheader\/"},"modified":"2026-08-18T14:52:59","modified_gmt":"2026-08-18T14:52:59","slug":"email-preheader","status":"publish","type":"glossary","link":"https:\/\/mailrelay.com\/en\/glossary\/email-preheader\/","title":{"rendered":"Email preheader"},"content":{"rendered":"\n

In the world of email marketing, the preheader<\/strong>, also known as a ‘snippet’ or ‘preview text’, is a line of text<\/strong> found just after the subject<\/a> line of the email. <\/p>\n\n

This small snippet of text will be visible <\/strong> to the recipient before they even open the email, as it will be displayed in the inbox <\/a> right next to or below the subject line. <\/p>\n\n

Its main function is to complement and expand on the subject line<\/strong>, providing an additional preview of the email’s content.<\/p>\n\n

Relevant historical data<\/h2>\n\n

The concept of the email preheader has gained prominence with the growing popularity of smartphones and tablets. <\/p>\n\n

As these devices became a common tool for reading emails in the early 2010s, the importance of text that could immediately grab the reader’s attention became evident. <\/strong> <\/p>\n\n

Preheaders emerged as a direct response to the limited space on small screens<\/strong>, where the subject line alone is not always enough to grab attention<\/strong>.<\/p>\n\n

The most important aspects<\/h2>\n\n

An email preheader is essential for several reasons:<\/p>\n\n