- 发布日期 · UTC
- 2026-10-27
- 产品域名
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- 域名后缀
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- 产品方向
- 效率工具
关于产品
You send an important Gmail and don’t know if it was opened. OpenTrace is a Chrome extension for people who follow up with clients, invoices, or applications — not bulk mail. Turn Tracking on in compose, send as usual, get a Chrome notification and open count. Free: 20 emails/month. Pro adds a dashboard, history, and reminders. We never store the email body.
关键词
浏览器扩展email trackingread receipt