Show HN: 可视化 SSL/TLS 握手分析工具
这是一款实用的在线工具，专为希望了解和学习 SSL/TLS 握手工作原理的用户设计。它能够可视化展示完整的握手过程，包括密钥交换和证书链的验证，帮助开发者快速排查和诊断 TLS 连接问题。
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The author noticed that, for their personal blog, RSS feeds send more traffic than Google. They have not focused on aggressive SEO but maintain a semantic layout with metadata.
The author added a local, privacy-first GeoIP tracking tool to their blog to get a rough idea of where RSS subscribers are from. They acknowledge limitations such as VPN use and IP changes.