A rarely used but effective tactic is placing the same emoji at the beginning and end of the email preheader (the second subject line). This visual framing technique draws attention in a crowded inbox and can improve open rates for both B2B and B2C campaigns.

Prospects often hesitate to open emails, fearing a lengthy commitment. By adding an estimated read time (e.g., '3-minute read') to your pre-header, you manage expectations, remove friction, and make it easier for them to engage, which boosts open rates.

A counterintuitive email marketing test is to have no preheader text. This creates visual whitespace in the recipient's inbox, making the email stand out from the clutter and potentially boosting open rates by up to 15%. A simple code snippet, which can be sourced from ChatGPT, is needed to prevent clients from auto-filling the space.

The email preheader is crucial for engagement. Beginning this preview text with a 'continuation word' like 'and,' 'but,' or 'plus' creates a cognitive link to the subject line. This simple linguistic trick encourages the reader's eye to keep moving and significantly lifts open rates.

Data from Subjectline.com reveals a powerful, simple tactic for email marketing. Using a "continuation pre-header" that begins with "and," "but," or "plus" creates a narrative link to the subject line, sparking curiosity and significantly boosting open rates. This is an easy-to-implement test for any campaign.

Readers often hesitate to open content, fearing a significant time commitment. By explicitly stating the 'read time' (e.g., 'a two-minute read') in email pre-headers or social posts, you remove this uncertainty. This small addition manages expectations, making people more likely to open the content immediately or save it for a known-duration break later.

The pre-header, or second subject line, has a major impact on open rates. Using continuation words like "and," "but," or "plus" at the beginning of the pre-header encourages the reader to continue from the subject line, which can result in a significant open rate lift of up to 10%.

A counterintuitive yet effective email tactic is capitalizing an entire word in the middle of a subject line, not at the start or end. This simple, cost-free A/B test is trending because it breaks visual patterns in the inbox, leading to a reported 16% open rate increase for B2B and 21% for B2C.

Many marketers mistakenly reveal the entire value of an email in the subject line, killing any reason to open it. To maximize opens, provide a compelling hint or create a curiosity gap rather than giving away the full story.