DNS, TLS and connections: the milliseconds before the first byte
Redirects, DNS resolution, TCP and TLS negotiation: how much the phases before the first byte cost, why they are part of users’ TTFB and how to reduce them…
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CATEGORY
Optimization
Server and application work.
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Modern JavaScript for fast sites: dynamic imports, code splitting and tree shaking explained without jargon
Bundles, code splitting, dynamic imports and tree shaking explained simply: how to reduce a site’s JavaScript, how to see what is in the bundle and what to ask…
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Bots, scrapers and unwanted traffic: when the slowdown does not come from users
Aggressive crawlers, AI bots and automated scans can saturate the server without showing up in analytics: how to recognize them in the logs and filter them with robots.txt,…
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Core Web Vitals for news and publishing sites: advertising, infinite scroll and ad slots without CLS
Ads that shift the text, auctions that hog the processor, infinite scroll and paywalls: how to keep advertising revenue and reading experience together.
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Modern CSS for performance: content-visibility, contain and container queries
How content-visibility defers the rendering of off-screen content, how contain confines recalculation to components, what container queries change and which scripts can be replaced with CSS.
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WordPress optimization plugins: what WP Rocket, LiteSpeed Cache, Perfmatters and the like really do (and the cloaking trick)
Page cache, critical CSS, JavaScript delay and the other features of optimization plugins: benefits, risks, conflicts, and the practice of serving tests a different page from the one…
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Animations that do not slow things down: transform, opacity and the compositor’s work
Why some properties cost far less than others, how the compositor keeps animations smooth even when the main thread is busy, will-change, scroll-linked animations and effects on INP…
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Server load during traffic spikes: performance under stress during sales and campaigns
What happens when traffic multiplies, how to estimate a site’s capacity, how to run a realistic load test and how to prepare site and infrastructure for Black Friday…
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WordPress block themes vs classic themes: what changes for performance
Selective style loading, theme.json, JavaScript and the DOM: where block themes have a structural advantage, where they can weigh things down and how to evaluate a theme regardless…
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THE NEXT STEP
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