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How to use Server Timing to get backend transparency from your CDN

Speed Curve

The use of server-timing headers by content delivery networks closes a big gap. Latency – How much time does it take to deliver a packet from A to B. Recent server timing case studies It's great to see server timing starting to get more use in the wild. But what happens when it doesn't? Definitely worth a read!

Servers 57
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How To Boost Media Performance On A Budget

Smashing Magazine

A performance budget as a mechanism for planning a web experience and preventing performance decay might consist of the following yardsticks: Overall page weight, Total number of HTTP requests, Page-load time on a particular mobile network, First Input Delay (FID). Similarly, unoptimized images were the leading cause of page bloat.

Media 117
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Netflix at AWS re:Invent 2019

The Netflix TechBlog

Netflix runs dozens of stateful services on AWS under strict sub-millisecond tail-latency requirements, which brings unique challenges. We showcase our case studies, open-source tools in benchmarking, and how we ensure that AWS cloud services are serving our needs without compromising on tail latencies.

AWS 100
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Netflix at AWS re:Invent 2019

The Netflix TechBlog

Netflix runs dozens of stateful services on AWS under strict sub-millisecond tail-latency requirements, which brings unique challenges. We showcase our case studies, open-source tools in benchmarking, and how we ensure that AWS cloud services are serving our needs without compromising on tail latencies.

AWS 100
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How We Optimized Performance To Serve A Global Audience

Smashing Magazine

Each stage has its unique challenges and potential pitfalls, as other case studies show. You need to beware that slow server response times can significantly increase TTFB, often due to server overload, network issues, or un-optimized logic on the server side. Here’s a breakdown of the moving pieces.

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Modern Methods For Improving Drupal’s Largest Contentful Paint Core Web Vital

Smashing Magazine

Large preview ) While browsers are generally pretty fast, these steps still take time to load, typically in seconds, and even longer on slower, high-latency network connections. Homepage with DevTools Network inspection enabled and open. Homepage of a default Drupal site using the Umami theme.

Media 73
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Reverb: speculative debugging for web applications

The Morning Paper

If the edit creates a new, unlogged network request, then the replay framework must inject new network events into the log. The paper contains a case study of the authors debugging EtherCalc using Reverb. Across the top 300 Alexa sites the gzipped logs have a median size of 45.4 KB (95%-ile size 113.2 KB), and it takes 7.8