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How To Boost Resource Loading With The New Priority Hint `fetchpriority`

Smashing Magazine

Of all those options, it’s safe to assume that text is the best choice for LCP performance because it loads and renders fast. Browsers follow a critical render path to parse the HTML document and its referenced resources (CSS, JS, images, etc.) Script (async), Media and images, SVG document. Large preview ).

Media 70
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Improving JavaScript Bundle Performance With Code-Splitting

Smashing Magazine

Improving JavaScript Bundle Performance With Code-Splitting. Improving JavaScript Bundle Performance With Code-Splitting. It’s a common misconception that the code which is produced by the framework build tools (Webpack, for example) is fully optimized and cannot be improved upon any further. Adrian Bece.

Code 89
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Black Friday traffic exposes gaps in observability strategies

Dynatrace

Moreover, website performance problems during peak times have a clear economic impact. Best practices for navigating Black Friday traffic and peak loads. Establish proper observability practices, especially for peak loads, in advance. Map out team practices to handle incidents.

Traffic 190
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Best Web Performance Books to Learn Site Speed Optimization

MachMetrics

High Performance Web Sites: Essential Knowledge For Front-End Engineers. If you’re looking to read optimization ideas from one of the greatest minds in speed performance, look no further. Author Steve Souders writes about the best practices that he gained as the Chief Performance Yahoo!,

Speed 85
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Don’t Sink Your Website With Third Parties

Smashing Magazine

You may have a lean, agile, responsive site design only to find it gradually loaded down with more and more “extras” that are often put onto the site by marketing departments or business leaders who are not always thinking about website performance. The downside is that third-party requests can impact website visitors.

Website 131
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Front-End Performance Checklist 2021

Smashing Magazine

How do we actually know where we stand in terms of performance, and what exactly our performance bottlenecks are? In his work, Harry Roberts has been using a Site-Speed Topography Spreadsheet which he uses to break down performance by key page types, and track how different key metrics are across them. Large preview ).

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

Smashing Magazine

How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? 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?