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Test your email subject line and get a score out of 100. Analyze length, spam triggers, power words, personalization, emoji usage, readability, and question format with actionable recommendations to boost open rates.
Type or paste your email subject line into the input field.
Click "Test My Subject Line" to run the analysis.
Review your overall score out of 100 and the rating (Excellent, Good, Needs Work, or Poor).
Check each of the 7 scoring categories for specific findings and recommendations.
Apply the top recommendations, then retest to see your improved score.
A score of 90+ is Excellent, meaning your subject line follows best practices across all categories. 70 to 89 is Good, meaning minor improvements could help. 50 to 69 Needs Work with several areas to address. Below 50 is Poor and likely needs a significant rewrite. Most effective subject lines score between 75 and 95.