My diagrams rendered on refresh and vanished on click. The head never loaded.
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A reader clicking from my homepage to a post with a diagram got a block of raw mermaid source. The same reader pasting that post's URL directly got a rendered diagram. Same page, same build, same browser. The difference was the click, and the bug had been live on this site for months across every diagram, every math formula, and every chart, because I had only ever tested pages by loading them directly. 🧪 Tested with Blowfish 2.10x · htmx 2.0.10 Two features, both reasonable, one collision # This site has htmx’s hx-boost on the body: internal navigation swaps page content in place instead of doing full page loads, which keeps transitions smooth. Separately, the Blowfish theme is smart about heavy libraries: mermaid, KaTeX, and Chart.js bundles are only included on pages that use them, injected into the <head> of exactly those pages.