FREE EMAIL MARKETING TOOL
E-Commerce Email Subject Line & Open Rate Tester
Test your Klaviyo & Shopify email subject lines for deliverability, spam trigger words, mobile preview truncation, and predicted open rates.
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Predicted Open Rate Score
100/ 100
Excellent! High probability of standing out in crowded inboxes.
📱 Mobile Inbox View (iPhone / Gmail):
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⚠️ Subject might truncate on small screensDeliverability & Conversion Factors:
Optimal Character Length (30–60 chars)✓ Ideal
Spam Trigger Words Detected✓ 0 Triggers
Emotional Hook or Emoji Usage✓ High CTR
Urgency / Scarcity Angle✓ Strong Urgency
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Google AdSense Placement (Client: ca-pub-4460894985031617)Auto ads & targeted ad units will appear here once Google completes account review.
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