To back up your published notes, navigate to your computer's local vault directory and clone the entire folder. 2. Re-downloading via Obsidian Sync
Allow Obsidian to download all raw Markdown and asset files. Intent 2: Downloading Someone Else's Obsidian Publish Site waltermin/obsidian-publish-downloader - GitHub
A simple Python script to download an entire Obsidian Publish site. How do we download an Obsidian Publish? : r/ObsidianMD
The search keyword represents two distinct user intents within the Obsidian note-taking ecosystem. First, creators using Obsidian Publish need methods to back up, archive, or download their own published digital gardens. Second, researchers and readers want to extract local Markdown files from someone else's publicly hosted Obsidian website.