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

Speed Curve

Charlie Vazac introduced server timing in a Performance Calendar post circa 2018. Caching the base page/HTML is common, and it should have a positive impact on backend times. The use of server-timing headers by content delivery networks closes a big gap. In the case of a cache miss, this should be zero.)

Servers 57
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Service Workers can save the environment!

Dean Hume

Each HTTP request that is required for the page needs to travel over the network and in turn this consumes energy on both the server and client. Without effective caching on the client, the server will see an increase in workload, more CPU usage and ultimately increased latency for the end user. Show me the money!

Energy 40
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Service Workers can save the environment!

Dean Hume

Each HTTP request that is required for the page needs to travel over the network and in turn this consumes energy on both the server and client. Without effective caching on the client, the server will see an increase in workload, more CPU usage and ultimately increased latency for the end user. Show me the money!

Energy 40
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Service Workers can save the environment!

Dean Hume

Each HTTP request that is required for the page needs to travel over the network and in turn this consumes energy on both the server and client. Without effective caching on the client, the server will see an increase in workload, more CPU usage and ultimately increased latency for the end user. Show me the money!

Energy 40
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Three Other Models of Computer System Performance: Part 1

ACM Sigarch

With two blog posts, we argue for more use of simple models beyond Amdahl’s Law. To this end, we present three simple models that we find useful like Amdahl’s Law, split here into two blog posts. an instruction or network transaction). Forecast to Blog Post Part 2. Figure 2: (Sub-)System for Little’s Law.

Systems 60
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Optimize Images for Web

KeyCDN

An easy way to compress images is with our image processing service that happens to also be fully integrated into our existing network. KeyCDN’s Cache Enabler plugin is fully compatible the HTML attributes that make images responsive. It also allows for additional control over the caching of your images as well as hotlink protection.

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Three Other Models of Computer System Performance: Part 2

ACM Sigarch

With two blog posts, we argue for more use of simple models beyond Amdahl’s Law. Previously, Part 1 of these two blog posts provided our thesis that analytic models can complement measurement and simulations to give quick insight, show what is not possible, provide a double-check, and suggest future directions. Hill is John P.

Systems 53