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Average Page Load Time in 2021

MachMetrics

Website performance & speed plays a major role in the success of an online business. High-performing fast sites attract and preserve users better than low-performing ones. Quote : “40% of people abandon a website that takes more than 3 seconds to load” Neil Patel, Internet Marketing expert.

Cache 78
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Improving JavaScript Bundle Performance With Code-Splitting

Smashing Magazine

JavaScript’s effect on performance consists of download, parsing and the execution costs. Like any file referenced and used on a website, it first needs to be downloaded from a server. Website performance is not consistent across devices. React Suspense And Server-Side Rendering (SSR). Large preview ).

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Why Companies Need Web Performance Monitoring

Dotcom-Montior

Businesses which optimize their website for best ranking in search engines should therefore also invest in continuous performance monitoring and optimization. #5 5 Improve Reliability An average website consists of more than 200 services and 80 servers, and reliability issues can impact each of those components.

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Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]

Smashing Magazine

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Long FMP usually indicates JavaScript blocking the main thread, but could be related to back-end/server issues as well.

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Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]

Smashing Magazine

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? It used to provide an insight into how quickly the server outputs any data. What does it mean? Image source ).

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World’s Top Web Performance Leaders To Watch

Rigor

Patrick is a London-based software developer who specializes in web performance and who describes himself as enjoying “working the entire stack, back-end to front-end, CDN to server.” ” Currently a Principal Software Engineer at Fastly , he previously helped architect some of the world’s largest media websites.