CATEGORY
The key concepts of web performance, explained for decision makers too.
Semantic HTML, stable layout, responsiveness, reduced motion and text as text: where accessibility and performance meet, and which poorly done optimizations create barriers.
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Paid clicks lost while the page loads, the role of speed in landing page experience, campaign parameters that bypass the cache and how to measure landing pages under…
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How Core Web Vitals have changed since 2020, the life cycle of a metric, the directions under experimentation and how to prepare for changes without chasing every novelty.
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In SPAs LCP measures only the first load while CLS and INP accumulate over the whole session: how the metrics behave, the cost of hydration, the answers of…
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DOM, CSSOM, render tree, layout, paint and composite: how the browser turns code into pixels, why CSS and synchronous scripts block the first paint and how to shorten…
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From conversion rate by speed band to margin, from scenarios to maintenance costs: an honest method for estimating the return on a performance project and presenting it to…
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Decisive factor or irrelevant detail? What Google has stated, how Core Web Vitals are assessed, why passing the threshold matters more than the score and which indirect effects…
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A single thread runs JavaScript, calculates layout and responds to users: what long tasks are, how Total Blocking Time is calculated, how it relates to INP and how…
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Speed, responsiveness and stability: what Core Web Vitals really measure and why a slow site costs you in conversions, advertising and reputation.
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