Totally Tooling Tips: Build Processes

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  1. Baseline
    Image optimisation, Minification, Concatenation. Compression(GZip, Zopfli), Async scripts, Leverage caching, WOFF2 for fonts, Spriting.
    Avoid redirects.

  2. Get fast, stay fast.

    Inlining critical CSS, deferring non-critical assets to avoid render blocking, removing unused CSS, visual regression testing to verify changes.
    Service Worker for offline caching. Performance budgets.

  3. Nice to haves
    Reduce unused code, remove duplicate colours, selectors, font-families, sizes.