CATEGORY
Server and application work.
The cost of analytics, pixels and behavior analysis tools, how to govern the tag manager, what changes with server-side tracking and when lighter tools are enough.
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What depends on hosting and what does not, how shared, VPS, managed WordPress and cloud differ, and why comparisons must be made on dynamic pages and under load.
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Autoloaded options, metadata without indexes, revisions, transients, sessions and logs: how the database slows down WordPress dynamic pages, how to diagnose it and how to clean it up…
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How an image CDN works, what it offers compared with plugins that optimize on the server, what the costs and risks for LCP are and how to tell…
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An interactive map can weigh as much as the rest of the page: how iframes and embedded widgets affect LCP, CLS and INP, and how to replace them…
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How HTTP compression works, how Gzip, Brotli and Zstandard differ, when to compress in advance and when on the fly, how to configure the server and what effect…
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How the browser picks an image variant, why a wrong sizes attribute makes it download files many times larger, when to use picture and how to handle it…
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dns-prefetch, preconnect, preload, prefetch and fetchpriority: how the browser decides priorities, when each hint speeds up the page and when it slows it down, with WordPress examples.
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The same URL can serve AVIF, WebP or JPEG depending on what the browser supports: how negotiation with the Accept header works, why Vary: Accept is essential and…
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