Brendan Gregg

FEBRUARY 28, 2023

As I was determined to become great at my new occupation regardless of my location, I read every sysadmin book, article, and magazine I could find on the shelf. Ford, et al., “TCP on Upcoming Sapphire Rapids CPUs,” [link] , Oct 2020 [Liu 20] Linda Liu, “Samsung QVO vs EVO vs PRO: What’s the Difference?

Performance 52

Performance Latency Cache Virtualization 52

Smashing Magazine

AUGUST 9, 2022

PageSpeed Compare is a page speed evaluation and benchmarking tool. It also lists cached resources and identifies unused Javascript. Treo Site Speed also performs site speed audits using data from the Chrome UX Report, Lighthouse and PageSpeed Insights. PageSpeed Compare. Large preview ). Large preview ). vf, yk, il).

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Performance Benchmarking Website Metrics 130

Smashing Magazine

SEPTEMBER 28, 2022

Active Memory Caching. When you want to get data that you already had quickly, you need to do caching — caching stores data that a user recently retrieved. Caching partially stores your data and is not used as permanent storage. Caching partially stores your data and is not used as permanent storage.

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Cache Performance Servers Social Media 125

Smashing Magazine

NOVEMBER 17, 2022

Web performance refers to the speed at which a website loads, how fast it’s downloaded, and how an app is displayed on the user’s browser. Webpage performance test report for the Smashing Magazine website. Cache Your Images. Fixes To Common Problems. The Benefits Of Using An Image Service CDN. Conclusion. Large preview ).

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Media Cache Website Mobile 105

Smashing Magazine

AUGUST 3, 2023

Largest Contentful Paint (LCP) LCP measures the perceived load speed of a webpage from a user’s perspective. The shorter the TTFB, the better the perceived speed of the site from the user’s perspective. It also opens up the possibility for more effective use of caching strategies, potentially enhancing load times further.

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Performance Cache Traffic Metrics 74

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. You can create your own on Chrome UX Dashboard. Large preview ). Large preview ).

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Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 21, 2021

A big JavaScript bundle might seem out of place on a magazine that merely publishes articles, but actually, there is plenty of scripting happening behind the scenes. Plus a service worker that caches all static assets and serves them for repeat views, along with cached versions of articles that a reader has already visited.

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Performance Cache Mobile Network 145

Smashing Magazine

JANUARY 6, 2020

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.

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Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

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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Performance Cache Metrics Network 103

Smashing Magazine

JULY 29, 2019

The speed of mobile networks, too, varies considerably between countries. Perhaps surprisingly, users experience faster speeds over a mobile network than WiFi in at least 30 countries worldwide, including Australia and France. South Korea has the fastest mobile download speed , averaging 52.4 per GB respectively. Mbps upload.

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Cache Google Mobile Network 96

Smashing Magazine

SEPTEMBER 9, 2021

The solution used in Scrapbook was to use the SWR library of React hooks to update the cached page from the server with client side data fetching. The client is first served the cached statically generated page (generated with getStaticProps() ), in the background the server also begins the process of revalidating that page (read more here ).

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Cache Internet Internet Servers 102

Smashing Magazine

NOVEMBER 2, 2021

This also implies that you don’t have to spend additional time and money on creating a PWA to suit various devices, greatly speeding up time-to-market. This primarily regards its UXUI and speed, so a progressive web app can be a solution to consider. you don’t have to create code to fit the separate Android and iOS requirements.

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Code Cache Retail Mobile 74

Smashing Magazine

OCTOBER 26, 2018

In addition to MVC separation, we can (for security reasons or speed improvements) place the JS App on a separate server like in the schema below: Decoupled WordPress diagram. This last method is known as the “key caching method”. Large preview ). Advantages Of Using The Decoupled Approach. Creating A Simple Decoupled Pages Endpoint.

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Cache Website Speed Database 78

Smashing Magazine

JUNE 8, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Optimizing Network Requests with Caching and Preloading. +.

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Media Cache Google Best Practices 105

Smashing Magazine

OCTOBER 26, 2021

Nx is an open-source build framework that helps you architect, test, and build at any scale — integrating seamlessly with modern technologies and libraries, while providing a robust command-line interface (CLI), caching, and dependency management. Nx uses distributed graph-based task execution and computation caching to speed up tasks.

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Cache Servers Code Storage 109

Smashing Magazine

APRIL 28, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Optimizing Network Requests with Caching and Preloading. +.

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Media Cache Google Best Practices 92

Smashing Magazine

JUNE 25, 2020

Today, we’ll address storing and serving files for both single-server and scalable deployments while considering factors like compression, caching, and availability. When serving large files over the web, bandwidth speeds often demand that you serve highly compressed artifacts, requiring lossy compression. Client-Side Caching.

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Media Cache Storage AWS 69

Smashing Magazine

JULY 8, 2021

Tools And Practices To Speed Up The Vue.js Tools And Practices To Speed Up The Vue.js Instead, use the getter function because it can be mapped into any vue component using the mapGetters behaving like a computed property with the getters result cached based on its dependencies. Development Process. Development Process.

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Speed Processing Development Code 132

Smashing Magazine

APRIL 17, 2019

The browser caches the results of these lookups, but they can be slow. You might think of a prefetch as being a bit like adding a file to the browser’s cache. Speed Up Next-Page Navigations With Prefetching ,” Addy Osmani. (il). They’re just requested and kept ready. The as Attribute. a web page). When Should I Use prefetch ?

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Performance Games Servers Cache 106

Smashing Magazine

APRIL 29, 2022

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. However, it’s not always easy to maintain high performance in websites. This is why performance is crucial when building websites. The Architecture Behind Partytown.

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Website Google Open Source Mobile 80

Smashing Magazine

JUNE 1, 2022

The most popular, by far, is the Google Lighthouse report (available in Chrome Developer Tools) and Google’s Page Speed Insights. You can adjust what browser is used, the kind of network connection to employ, the locations to test from, whether or not the browser’s cache is empty or full, how frequently to take the measurements, and more.

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Website Design Network Best Practices 131

Smashing Magazine

OCTOBER 22, 2019

At the intersection of the two is website speed. It should come as no surprise that images cause a lot of the problems websites have with speed. That or we’re going to have to get really good at optimizing for speed. Speaking of speed, let’s see what HTTP Archive has to say about image weight. Previously, this was a 3.6

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Mobile Media Website Storage 62

Smashing Magazine

NOVEMBER 22, 2021

We deployed these enhancements gradually over time to ensure that our users didn’t experience any disruptions, but instead only a consistent improvement of their site speed. While some noticeable progress was made, it was challenging to implement significant changes just for the sake of speed. Creating A Performance Culture.

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Website Performance Google Media 126

Smashing Magazine

JANUARY 16, 2023

The images used in the article’s Codepen demonstrations will be integrated with TwicPics to save time in their creation and speed up the optimization of the LCP metric. All the explanations will be illustrated by an example that we will iterate on.

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Media Mobile Website Metrics 104

Smashing Magazine

AUGUST 30, 2021

If the stylesheet file has a large file size or multiple dependencies which are located on third-party servers or CDNs, website rendering can be delayed significantly depending on the network speed and reliability. This is exactly how Smashing Magazine handles its stylesheets. Caching Stylesheets. This is known as cache-busting.

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Media Performance Cache Strategy 108

Smashing Magazine

AUGUST 20, 2021

I vividly remember receiving a PC Magazine for my birthday with a trial of Dreamweaver. Smashing Magazine powered by Netlify. When we talk about static site generators, incremental regeneration, or instant cache invalidation, it’s enough to make the layman’s eyes glaze over. Large preview ). Government.

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Ecommerce Website Government Internet 139

Smashing Magazine

JULY 16, 2020

Its name, “ memo ” comes from memoization, which is basically a form of optimization used mainly to speed up code by storing the results of expensive function calls and returning the stored result whenever the same expensive function is called again. According to the documentation , this exists only as a performance optimization.

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Performance Code Virtualization Processing 121

Smashing Magazine

JANUARY 21, 2019

Let’s analyze how these three methods compare to each other, in terms of speed and the amount of data retrieved. Hence, the jump from REST to GraphQL represents a great deal for speed, because we are able to render a component with only one request. Native Client-Side Cache/Data Store. Extensibility And Re-purposing.

Social Media 64

Social Media Database Media Website 64

Smashing Magazine

APRIL 9, 2019

They’d take the hit for the first site to use the file, but then it would sit in their local browser cache and downloads could be skipped for each subsequent site. Again, a good place to read more about this is the always-great MDN docs for Subresource Integrity. The last thing that’s worth talking about is browser support for SRI.

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Website Servers Code Best Practices 57

Smashing Magazine

JULY 6, 2021

We’ve explored the concepts behind headless CMSes in detail here on Smashing Magazine, but let’s do a quick recap. From a developer perspective, not only static assets need to be cached on a CDN. Many headless CMSes cache content retrieved via RESTful or GraphQL APIs. Look out for: Caching of images and content via CDN.

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Cache Website Mobile Google 143

Smashing Magazine

APRIL 29, 2021

From Speed at Scale with Katie Hempenius and I at Google I/O. will optimize images dynamically upon request and store them in a local cache. Large preview ). The sizes attribute specifies a set of conditions, such as screen widths, and what image size is best to select when those conditions are met. Large preview ). Note: Next.js

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Media Network Metrics Mobile 145

Smashing Magazine

AUGUST 22, 2021

A Primer on Speed. Discussing performance and “speed” can quickly get complex, because many underlying aspects contribute to a web-page loading “slowly”. It is physically limited by the speed of light or, practically, how fast signals can travel in wires or in the open air. also “only” take two round trips ((b) is rarely shown).

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Performance Network Latency Servers 105

Smashing Magazine

NOVEMBER 4, 2021

” But these are teams and they’re spending a lot of time building websites or building internal tools or whatever it is they’re building and it takes a lot of effort to like, “Oh, we’re going to switch to a totally different context and use Jekyll or something else,” and you got to get people up to speed. Drew: Yeah.

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Media Website Architecture Servers 87

Smashing Magazine

SEPTEMBER 6, 2021

Using just a few (but still more than one), however, could nicely balance congestion growth with better performance, especially on high-speed networks. This approach was touted to be better for fine-grained caching because each subresource could be cached individually and the full bundle didn’t need to be redownloaded if one of them changed.

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Network Servers Cache Traffic 104