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Tutorial: Guide to automated SRE-driven performance engineering

Dynatrace

Keptn uses SLO definitions to automatically configure Dynatrace or Prometheus alerting rules. To pass information such as Test Step Name (TSN), Load Test Name (LTN), Load Script Name (LSN), Virtual User Id (VU) and others we can follow the load testing integration best practice as documented in Dynatrace and load testing tools integration.

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An Opinionated Guide to Performance Budgets

Speed Curve

Google Lighthouse is an open-source tool that checks your page against rules for Performance, PWA, Accessibility, Best Practice, and SEO. In an ideal world, pages served to mobile devices should be under 1 MB – and definitely not more than 2 MB – but I often see pages in excess of 5 MB.

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Refactoring CSS: Strategy, Regression Testing And Maintenance (Part 2)

Smashing Magazine

The development team has analyzed and pinpointed the weaknesses in the CSS codebase and has set target goals for the refactor (file size, specificity, color definitions, and so on). We’ll develop the card component in isolation and use the agreed standards and best practices. Large preview ). Large preview ).

Strategy 132
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HTTP/3: Practical Deployment Options (Part 3)

Smashing Magazine

You would, however, be hard-pressed even today to find a good article that details the nuanced best practices. This is because, as I stated in the introduction to part 1 , much of the early HTTP/2 content was overly optimistic about how well it would work in practice, and some of it, quite frankly, had major mistakes and bad advice.

Network 105
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Front-End Performance Checklist 2021

Smashing Magazine

You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Note : If you use Page Speed Insights or Page Speed Insights API (no, it isn’t deprecated!),

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

Smashing Magazine

You need a business stakeholder buy-in, and to get it, you need to establish a case study on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Note : If you use Page Speed Insights (no, it isn’t deprecated), you can get CrUX performance data for specific pages instead of just the aggregates.

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

Smashing Magazine

You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Start Render time, Speed Index ). Treo Sites provides competitive analysis based on real-world data.