Chrome UX Report: The Decisions That Matter
A public dataset of real-user performance measurements collected from Chrome users who have opted in, reported for origins and popular URLs. Key takeaways Data...
Kategorie · 163 Artikel
Core Web Vitals, WCAG-Konformität und die Prüfdokumentation, die beides belegt.
A public dataset of real-user performance measurements collected from Chrome users who have opted in, reported for origins and popular URLs. Key takeaways Data...
Google's free tool that reports real-user Core Web Vitals from the Chrome UX Report alongside a Lighthouse lab test for a given URL. Key takeaways Field se...
The browser's main thread handles layout, painting and most JavaScript, and any single task that runs for more than 50 milliseconds blocks it from respondi...
Background threads that run JavaScript separately from the page's main thread, used for heavy computation such as parsing data, image processing or search...
Removing unused code from JavaScript bundles during the build, so visitors only download the functions a page actually uses. Key takeaways Tree shaking: dead-co...
Compressing HTML, CSS, JavaScript and other text responses on the server so they transfer in far fewer bytes, then decompressing them in the browser. Key takeaw...
Delivering the styles needed to render the visible part of the page immediately, often inline in the HTML, and loading the rest of the CSS without blocking rend...
Deferring the download of images until they are about to scroll into view, using the loading="lazy" attribute or a script. Key takeaways Native attrib...
Using the CSS content-visibility property so the browser skips layout and painting for sections of a long page that are off screen until they are needed. Key ta...
A browser API that reports rendering frames that took longer than 50 milliseconds, with details of the scripts responsible, used to diagnose slow interactions....
An HTTP response header that reports how long server-side steps took, such as database queries or cache lookups, so the timings appear in browser tools and moni...
An informational HTTP response a server or CDN sends before the final response, telling the browser which critical resources to preload or connect to while the...
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