Crafting compelling review email subject lines is essential for businesses seeking customer feedback. These short, punchy phrases influence open and response rates, making them crucial for successful email campaigns.
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That being said, we’ve created for you 62 ready-made review email subject lines that you can use as templates to request reviews from your customers.

The Power of Effective Review Email Subject Lines
Subject lines are the first thing recipients see, making them vital for successful email campaigns. A good subject line captures attention and convinces the reader to open the email. In 2022, 47% of marketers tested different email subject lines to optimize performance and increase click-through rates. This highlights the importance of crafting compelling subject lines that stand out in crowded inboxes.
Key Elements of a Great Review Email Subject Line
To create effective review email subject lines, consider these key elements:
- Clarity and Directness: Be clear about your email’s purpose. Example: “Share Your Thoughts on Your Recent Purchase.”
- Personalization: Use the customer’s name or reference a recent purchase. Example: “John, how did you like your new headphones?”
- Conciseness: Keep subject lines under 50 characters to ensure visibility on most devices.
- Urgency or Timeliness: Create a sense of urgency using words like “limited time” or “last chance.”
- Action-Oriented Language: Start with verbs that inspire action, such as “Tell Us,” “Share Your Experience,” or “Give Feedback.”
- Incentives: If offering an incentive, mention it in the subject line. Example: “Leave a Review and Get 10% Off!”
Common Mistakes to Avoid
- Excessive Capitalization: Using all caps can appear like yelling and hurt email performance.
- Overuse of Special Characters: Characters like * % & # and ^ can trigger spam filters.
- Too Much Punctuation: Excessive punctuation can make your email look spammy.
- Misaligned Content: Ensure your subject line aligns with the email content.
- Misleading Prefixes: Avoid using “RE:” or “FW:” in your headers.
- Lack of Urgency: Subject lines without urgency often fall flat.
- Spelling and Syntax Errors: These mistakes make a bad first impression and undermine trust.
By crafting compelling review email subject lines and avoiding common mistakes, you can improve open rates and gather valuable customer feedback.
Best Practices for Crafting Review Email Subject Lines
Keep it Short and Sweet
The ideal subject line length varies, but 41 characters ensure full visibility across all platforms. Use concise language and get to the point quickly. Example: “Share Your Thoughts on Your Recent Purchase.”
Use Power Words
Incorporating persuasive power words can boost open rates. Effective power words include: Exclusive, Limited, Free, New, Guaranteed, Save, Easy, Secret, Instant, Discover. Example: “Exclusive Offer: Share Your Feedback.”
A/B Test Your Subject Lines
A/B testing involves sending two subject line variations to a small audience segment to see which performs better. Test elements like personalization, length, or power words. Example: “John, how did you like your new headphones?” vs. “Share your thoughts on your recent purchase.”
Segment Your Audience
Segmenting your email list allows for tailored subject lines that speak directly to specific groups. Personalize content based on demographics, past purchases, or engagement levels. Example: For frequent buyers: “VIP Exclusive: Your Opinion Matters.”
By following these best practices, marketers can create review email subject lines that stand out, increase open rates, and gather more valuable customer feedback. Continually analyze results and refine your approach based on what works best for your audience.
FAQs
- What is a good subject line for a review request? A good subject line for a review request is clear, concise, and direct. Example: “We Value Your Feedback on [Product]”.
- What is a good subject line for a check-in email? A good subject line for a check-in email should be friendly and inviting. Example: “How Are You Enjoying [Product/Service]?”
- What is the best subject line for an email? The best subject line for an email depends on the email’s purpose but should always be engaging and relevant. Example: “Exclusive Offer Just for You!”
- How do you politely ask for feedback in an email subject? To politely ask for feedback, use a respectful tone and express the value of the recipient’s opinion. Example: “We’d Love Your Input on Your Recent Purchase”.
- How to write an email asking for a review? Start with a friendly greeting, briefly explain why their feedback is important, and include a clear call to action. Keep the message short and to the point.
- How to give subject feedback? Provide specific comments on what you liked and what could be improved. Be honest and constructive to help the sender improve their services or products.
- What should be included in a review email? A review email should include a personalized greeting, a clear request for feedback, details on how to leave the review, and any incentives if offered.
- Why are subject lines important for email marketing? Subject lines are the first thing recipients see and greatly influence whether the email will be opened. A compelling subject line increases open rates and engagement.
- What are the common mistakes to avoid in email subject lines? Avoid excessive capitalization, overuse of special characters, too much punctuation, misleading prefixes, lack of urgency, and spelling or syntax errors.
- How can personalization improve email subject lines? Personalization can make the recipient feel valued and increase open rates by addressing them directly or referencing their specific actions or purchases.
- What are power words in email subject lines? Power words are persuasive terms that evoke emotional responses and prompt action. Examples include “Exclusive”, “Limited”, “Free”, “New”, “Guaranteed”.
- How to A/B test email subject lines? A/B testing involves sending two different subject lines to a small segment of your audience to determine which performs better based on open and click-through rates. Use the winning subject line for the rest of your audience.