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Performance Game Changer: Browser Back/Forward Cache

Smashing Magazine

Performance Game Changer: Browser Back/Forward Cache. Performance Game Changer: Browser Back/Forward Cache. With that caveat out of the way, let’s get to the guts of the article: What is the Back/Forward Cache and why does it matter so much? Didn’t The HTTP Cache Do All That Anyway? Barry Pollard.

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

Speed Curve

However, that pesky 20% on the back end can have a big impact on downstream metrics like First Contentful Paint (FCP), Largest Contentful Paint (LCP), and any other 'loading' metric you can think of. Caching the base page/HTML is common, and it should have a positive impact on backend times. But what happens when it doesn't?

Servers 58
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ZFS Is Mysteriously Eating My CPU

Brendan Gregg

I summarized this case study at [Kernel Recipes] in 2017 and have shared the full story here. ## 1. Problem Statement The microservice was for metrics ingestion and had recently updated their base OS image (BaseAMI). Monitoring I started with the cloud-wide monitoring tool, [Atlas], to check high-level CPU metrics.

Cache 145
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Improving The Performance Of Wix Websites (Case Study)

Smashing Magazine

Improving The Performance Of Wix Websites (Case Study). Improving The Performance Of Wix Websites (Case Study). Better tooling and metrics standardization. But which metrics should be measured in order to determine website performance? Dan Shappir. 2021-11-22T10:30:00+00:00. 2021-11-22T11:06:56+00:00.

Website 126
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Optimizing Your Images Didn’t Improve Your Load Time? Here’s Why

MachMetrics

His article in the Web Performance Calendar, The ugly truth about optimizing beautiful images , explores a few case studies and offers some solutions as well. This allows you to see metrics such as First Contentful Paint, frame by frame. In the final case study in Michael’s article, the total image size was reduced by 95%.

Speed 89
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Fostering a Web Performance Culture

Jos

One could argue this is a metric-driven decision. How would you architecture a non-trivial size web project (client, server, databases, caching layer)? There is a lot research on how performance optimization improves key metrics and sites like WPO Stats are a good source of case studies. Well, not so fast.

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ZFS Is Mysteriously Eating My CPU

Brendan Gregg

I summarized this case study at Kernel Recipes in 2017; it is an old story that's worth resharing here. Problem Statement The microservice was for metrics ingestion and had recently updated their base OS image (BaseAMI). Monitoring I started with the cloud-wide monitoring tool, Atlas , to check high-level CPU metrics.

Cache 52