Question 1

How to minify HTML with embedded CSS and JavaScript using Minify?

Accepted Answer

Use the default minifier setup with AddFunc for each mimetype; it automatically minifies embedded resources within HTML files. For example, load html.Minify for 'text/html' and js.Minify for JavaScript mimetypes to handle inline scripts.

Question 2

Minify vs Terser: which is faster for JavaScript minification?

Accepted Answer

Minify is significantly faster, often by orders of magnitude—benchmarks show it processes jquery.js in 22ms vs Terser's 1400ms. However, Terser might achieve slightly better compression ratios in some cases due to more aggressive optimizations.

Question 3

Can Minify generate source maps for minified files?

Accepted Answer

No, source map generation is not implemented and is listed as uncertain in the roadmap, as it might slow down parsers. This is a drawback for debugging compared to tools like Terser or esbuild.

Question 4

How to integrate Minify into a Go web server as middleware?

Accepted Answer

Call m.Middleware(fs) where fs is your http.Handler, such as a file server; it minifies responses based on Content-Type. But note the README warns that on-the-fly minification is only viable if user download speeds are below 2MB/s, so caching is recommended.

Question 5

Does Minify support minifying JSON files with comments?

Accepted Answer

Standard JSON doesn't support comments, and the minifier strips whitespace and minifies numbers. For JSON-like formats with comments, you'd need to use a custom minifier or pre-process the files, as it's not built-in.

Question 6

What are the options to preserve whitespace in HTML minification?

Accepted Answer

Set the KeepWhitespace option in the HTML minifier to preserve whitespace between inline tags, though it still collapses multiple spaces into one. This is useful for layouts relying on specific spacing, but the README cautions against depending on whitespace for positioning.

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