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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. RUM systems embed a small JavaScript payload onto every page of your site.

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How Partytown Eliminates Website Bloat From Third-Party Apps

Smashing Magazine

And slow websites are, in a way, discrimination: The majority of the world’s population don’t have access to high-speed Internet or fast CPUs. Even if your website is designed with usability in mind, these factors impede users from fully benefiting from the website’s features. Large preview ). How Partytown Works.

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The 5 Most Underrated WebPageTest Features

MachMetrics

There is actually an entire suite of advanced features that give you an unparalleled view of your site from a performance standpoint. WebPageTest has good documentation , but it isn’t the most beginner-friendly. Need to speed test a website that lives behind a login? WebPageTest Scripting.

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Improving JavaScript Bundle Performance With Code-Splitting

Smashing Magazine

On design systems, CSS/JS and UX. Performance Costs. 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. Large preview ).

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

Smashing Magazine

Luckily, there are many great options that help you automate the collection of data and measure how your website performs over time according to these metrics. If many resources require data from an API, the API might become a performance bottleneck. GraphQL provides a performant solution to these issues. Image source ).

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Front-End Performance Checklist 2021

Smashing Magazine

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. You can download the spreadsheet as Google Sheets, Excel, OpenOffice document or CSV. Perf Track tracks framework performance at scale.

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

Smashing Magazine

Luckily, there are many great options that help you automate the collection of data and measure how your website performs over time according to these metrics. If many resources require data from an API, the API might become a performance bottleneck. GraphQL provides a performant solution to these issues. Image source ).