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Setting and enforcing a JavaScript performance budget
Learn how to pick measurable JavaScript limits, translate them to build and runtime checks, and use tools and workflows that catch regressions before they reach users. This guide gives concrete…
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Tooling Guide to Reduce Unused CSS and JavaScript in Modern Build Pipelines
This guide explains how engineering teams can find and remove unused CSS and JavaScript inside modern build pipelines. Readers will…
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Due Diligence Checklist for Credible Carbon Offsets for Websites
This checklist explains how website teams can evaluate carbon offset projects before purchase. It focuses on verifiable credentials, document checks,…
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Design principles for low carbon websites that reduce data transfer and energy use
This article explains practical design principles product and UX teams can apply to reduce page weight and device work. Readers…
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Aligning digital sustainability pages with ESG reporting standards
This article explains which disclosures and metrics to publish on sustainability pages for websites and apps so those pages meet…
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Configure CDN caching for sustainability: TTLs, cache keys, and origin shielding
This article explains how CDN cache settings influence origin traffic and energy use, and gives practical TTL, cache key and…
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How to set and enforce a JavaScript performance budget
This article explains how teams pick measurable JavaScript limits, convert them into practical acceptance criteria, and enforce them with automated…
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Rolling Out a Website Carbon Budget Policy Inside Product Teams: a Practical Case Study
This case study shows a practical, reproducible approach to introduce a website carbon budget policy across product teams. Readable governance…
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SSR CSR and Hydration Performance and Energy Tradeoffs
This article explains how server side rendering, client side rendering and hydration work, how each approach moves work between server…
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Sustainable A/B testing with fewer scripts and less data
This article explains how product and engineering teams can run effective A/B tests while reducing client side scripts and overall…