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?

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Performance Latency Cache Google 103

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 145

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 Architecture 141

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.

Website 141

Website Performance Google Website Performance 141

Smashing Magazine

MARCH 6, 2025

Lets take a look at what the LCP subparts are, what they mean for your website speed, and how you can measure them. How To Measure LCP Subparts One way to measure how much each component contributes to the LCP score on your website is to use DebugBears website speed test. And thats fine!

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Website Google Speed Metrics 59

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 142

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 125

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 Mobile Google Network 99

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 Servers Internet Internet 119

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 Google 52

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 Testing 121

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 Mobile Retail 90

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 78

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 Servers Games Cache 109

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 120

Smashing Magazine

MARCH 6, 2025

Lets take a look at what the LCP subparts are, what they mean for your website speed, and how you can measure them. How To Measure LCP Subparts One way to measure how much each component contributes to the LCP score on your website is to use DebugBears website speed test. And thats fine!

Website 62

Website Google Speed Metrics 62

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 77

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 98

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 Testing 138

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 125

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 120

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 106

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.

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Social Media Database Media Website 73

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 64

Smashing Magazine

JUNE 2, 2021

Every front-end developer is chasing the same holy grail of performance: green scores in Google Page Speed. Real-life performance for your users and how the website “feels” when you’re using it should not be discounted, even if it costs you a point or two in Page Speed (otherwise, we would all just have a search bar and unstyled text).

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Performance Cache Website Mobile 132

Smashing Magazine

OCTOBER 29, 2019

Speed Up Your Website With WebP. Speed Up Your Website With WebP. Needless to say, there’s nothing that can beat WebP when it comes to speed while maintaining image integrity. “. Last year, front end developer Jeremy Wagner wrote up a guide for Smashing Magazine on this very topic. What Is WebP Caching?

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Website Speed Cache Google 75

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 123

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 134

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 Testing 88

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 109

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 124

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 105

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

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 73

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 Metrics Media 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 Servers Network 112

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 Network Metrics 111