When creating a subject line, is it best practice to use vague language such as "Checking-in"?

Using vague language in subject lines, such as "Checking-in," is generally not considered best practice because it lacks clarity and specificity, which are crucial for effective communication. A well-crafted subject line should provide a clear indication of the email's content and purpose, allowing the recipient to understand the importance or relevance of the message at a glance.

A clear subject line enhances the likelihood that the recipient will open the email promptly and respond appropriately. Specificity helps the recipient prioritize their time and attention, especially when managing a busy inbox. In business communications, where clarity and professionalism are key, using straightforward and descriptive language is far more effective.

When crafting subject lines, it's beneficial to use direct language that reflects the email's purpose, such as specifying a topic or the nature of the request, which ultimately leads to better engagement and communication outcomes.