Configuring GitHub OAuth, email notifications, and magic-link login in self-hosted remark42. Three authentication channels and two notification tracks (for the admin and thread subscribers), with product decisions that aren’t visible in the official documentation: which sender address to pick, whether to enable magic-link despite conflicts with password managers, when to keep anonymous comments.

Complete guide to integrating Giscus comments in Hugo - a lightweight alternative to Disqus powered by GitHub Discussions. Includes setup, multilingual support, and real performance data showing 8x better performance than Disqus.