Brendan Gregg

APRIL 29, 2018

Apart from networking, attending conferences like LISA in person is an effective way to upgrade your skills: you can block out work interruptions and absorb new knowledge that's been neatly summarized into sessions. We first met each other at LISA, in addition to making many other important industry connections over the years.

DevOps 40

DevOps Network Best Practices Programming 40

Smashing Magazine

OCTOBER 18, 2021

Performance is one of the core aspects to ensure our users are having a delightful user experience irrespective of their devices or network connection. We found out user-centric performance metrics to be the perfect fit for this purpose. This component incorporates several image-related best practices.

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Website Google Metrics Testing Tools 105

Smashing Magazine

MARCH 7, 2022

In my last article , I suggested using the SaveData API to deliver a different, more performant, experience to users that expressed that desire. This is helpful for those on poor or expensive networks, so they don’t have to pay an exorbitant cost just to visit your website. Signals For Customizing Website User Experience. Data Saver.

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Website Media Mobile Network 103

Smashing Magazine

AUGUST 3, 2023

How We Optimized Performance To Serve A Global Audience How We Optimized Performance To Serve A Global Audience Liran Cohen 2023-08-03T10:00:00+00:00 2023-08-03T13:06:00+00:00 I work for Bookaway , a digital travel brand. Large preview ) We’ve known for a long time that fast page performance influences search engine rankings.

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Performance Cache Traffic Metrics 74

Smashing Magazine

AUGUST 22, 2021

HTTP/3: Performance Improvements (Part 2). HTTP/3: Performance Improvements (Part 2). In this second part, we will zoom in on the performance improvements that QUIC and HTTP/3 bring to the table for web-page loading. We will, however, also be somewhat skeptical of the impact we can expect from these new features in practice.

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Performance Network Latency Servers 105

Smashing Magazine

SEPTEMBER 27, 2021

Example: If you want to test the checkout process in an online shop, don’t perform all of the other steps, such as creating the products and categories, even though you will need them to process the checkout. Example: Finding My Articles in Smashing Magazine. I want to write a test for this website, Smashing Magazine.

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Testing Website Code Efficiency 135

Smashing Magazine

FEBRUARY 2, 2022

Improving JavaScript Bundle Performance With Code-Splitting. Improving JavaScript Bundle Performance With Code-Splitting. This problem is more apparent on unreliable and slow networks and lower-end devices. Performance Costs. JavaScript’s effect on performance consists of download, parsing and the execution costs.

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Code Performance Network Website 89

Smashing Magazine

OCTOBER 24, 2023

The Fight For The Main Thread The Fight For The Main Thread Geoff Graham 2023-10-24T18:00:00+00:00 2023-10-24T22:02:26+00:00 This article is sponsored by SpeedCurve Performance work is one of those things, as they say, that ought to happen in development. But not everything about performance happens directly at the code level, right?

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Google Analytics Traffic Metrics 90

Smashing Magazine

JULY 12, 2021

In this three-part series , we are going to go through the CSS refactor process from the beginning to the end, starting with knowledge on how to approach it and some general pros and cons of refactoring, then moving onto the refactoring strategies themselves and ending with some general best practices on CSS file size and performance.

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Best Practices Website Architecture Media 145

Smashing Magazine

AUGUST 2, 2021

We decided to build up a very simple Kanban board, established a project stand-up and a project Slack channel, and kept management and the company up-to-date via our internal social cast network.”. We’ll develop the card component in isolation and use the agreed standards and best practices. Image by trivago ) ( Large preview ).

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Strategy Testing Best Practices Code 132

Smashing Magazine

OCTOBER 2, 2023

Now, let’s dive into the technical features and best practices that my team adopted in the process of building the WaterBear web app. I plan on sharing specifically what I learned from performance and accessibility practices as a first-time lead developer of a team , as well as what I wish I had known before we started.

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Cache Strategy Best Practices Design 72

Smashing Magazine

JULY 23, 2021

Networking. Networking is an excellent way of doing this and is a reliable way of finding new work opportunities. The downside of networking is that it is time-consuming and doesn’t scale. However, in practice, the results can be underwhelming. Websites like Upwork tend to be highly competitive and price sensitive.

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Social Media Media Network Website 145

Smashing Magazine

JUNE 1, 2022

You may have a lean, agile, responsive site design only to find it gradually loaded down with more and more “extras” that are often put onto the site by marketing departments or business leaders who are not always thinking about website performance. And JavaScript can certainly make requests for additional network resources.

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Website Design Network Best Practices 131

Smashing Magazine

MAY 17, 2021

Performance is a core feature of our company, Instant Domain Search —it’s in the name. We’ve recently grown to a small group based mostly in Victoria, Canada and we are working through a long backlog of new features and performance improvements. A 75th percentile (p75) metric strikes a reasonable balance for performance goals.

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Google Analytics Serverless Metrics 93

Smashing Magazine

JULY 8, 2021

Modules like the service module containing all the network requests needed by the company are kept in this core module and all corresponding network requests are made from here. Best Practices When Writing Custom Directives. It is considered best practice not to directly access a state object. development.

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Speed Processing Development Code 132

Smashing Magazine

MAY 5, 2021

This can be measured in content download of the HTML resource in the network panel. If HTML is turning out big, we have no room left for CSS resources or javascript in our performance budget. It is best practice to assume many real-world users won’t be using an iPhone 12, but rather a mid-level device on a mid-level network.

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Google Architecture Servers Speed 110

Smashing Magazine

SEPTEMBER 6, 2021

If after the previous two parts — HTTP/3 history and core concepts and HTTP/3 performance features — you’re convinced that starting to use the new protocols is a good idea (and you should be!), Next, we’ll look at how to set up servers and clients (that’s the hard part unless you’re using a content delivery network (CDN)).

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Network Servers Cache Traffic 104

Smashing Magazine

AUGUST 9, 2021

Often they make it seem as if HTTP/3 is a revolution in performance, while it is really a more modest (yet still useful!) This is dangerous, because the new protocol will probably not be able to live up to these high expectations in practice. HTTP/3 performance features ( coming up soon! ). This is more in depth and technical.

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Transportation Internet Internet Network 145

Smashing Magazine

JANUARY 16, 2023

Since recently becoming a ranking factor, this major web performance KPI is still a new concept for many web developers. To address this problem, I’ll provide an overview of the best practices for the integration and optimization of an LCP image. It becomes especially tricky to optimize when the LCP element is an image.

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Media Mobile Website Metrics 104

Smashing Magazine

JULY 20, 2021

Moreover, they give us the possibility to improve the website’s performance and to have more control and security over the application. Having this setup will not only give you freedom, security and comfort, but will also improve the performance of your application without third-party services. Monolithic vs Headless. Monolithic.

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Website Architecture Technology Technology 141

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. But beware of circular references to content which could cause headaches and performance issues. Also, building on an existing SDK has allowed us to follow the best practices recommended by the vendor while saving time.

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Cache Website Mobile Google 143

Smashing Magazine

OCTOBER 6, 2021

To simplify this behavior, a best practice is to ensure your styles include resetting all elements to use border-box. A more recent hot topic in site performance and related metrics is Cumulative Layout Shift (CLS). Cumulative Layout Shift. This is the Google Lighthouse score for how much elements shift or jump during page load.

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Design Availability Mobile Website 145

Smashing Magazine

AUGUST 31, 2021

If you have multiple pieces of state defined in a single context, you may start running into performance issues. When requesting data from the client-side, it is important to be mindful of a few things: the user’s network connection: avoid re-fetching data that is already available. incorporating data into the app’s state.

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Cache Servers Best Practices Code 103

Smashing Magazine

AUGUST 19, 2021

Once you create your own code of ethics, you might notice an improvement not only in your team’s work and performance but also in the team’s culture as well. It is best practice to segment by demographics only with quantitative samples where meaningful differences may be found through statistical analysis. User Personas.

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Code Design Education Government 137

Smashing Magazine

APRIL 9, 2019

Most sites were all hosted on a single physical server somewhere on our own hosting infrastructure, and it was the server we thought about defending when it came to security best practices. This remains a good, practical way to work, but it does introduce a potential vector for attack. What Could Go Wrong? Large preview ).

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Website Servers Code Best Practices 57

Smashing Magazine

NOVEMBER 30, 2021

Improving The Performance Of Wix Websites written by Dan Shappir. We last talked to him in July 2020 , where we asked if modern best practices about for the web. So we’re throwing a ton of client-side JS at people, and that introduces a ton of agility and performance issues. The Lean Web book. Chris Ferdinandi on the web.

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Technology Technology Servers Code 94

Smashing Magazine

NOVEMBER 12, 2021

The plugin provides useful warnings and hints on the best practices. Particularly, when dealing with web sockets, you may need to unsubscribe from the network to save resources and improve performance when the component unmounts. This can significantly improve performance when done correctly. The useCallback Hook.

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Code Availability Efficiency Performance 118

Smashing Magazine

JUNE 8, 2021

For a thorough guide on image optimization, we’ve teamed up with Addy Osmani , an engineer manager working on Google Chrome who was working all around web performance for decades. Some of the biggest size savings and performance improvements can come through a better image optimization strategy. Image Decoding Performance. +.

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Media Cache Google Best Practices 105

Smashing Magazine

APRIL 28, 2021

For a thorough guide on image optimization, we’ve teamed up with Addy Osmani , an engineer manager working on Google Chrome and focusing around performance for decades. Some of the biggest size savings and performance improvements can come through a better image optimization strategy. Image Decoding Performance. +. Large view.

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Media Cache Google Best Practices 92

Smashing Magazine

APRIL 29, 2021

Lazy-load offscreen images (reduce network contention for key resources). For low impact to First Input Delay : Avoid images causing network contention with other critical resources like CSS and JS. For low impact to First Input Delay : Avoid images causing network contention with other critical resources like CSS and JS.

Media 145

Media Network Metrics Mobile 145

Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Web performance is a tricky beast, isn’t it?

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Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Vitaly Friedman.

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Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Vitaly Friedman.

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Performance Cache Metrics Network 103

Smashing Magazine

SEPTEMBER 29, 2021

This is why a lot of our guidance on performance talks about image optimization. Compression achieved is relevant because the higher the compression, the smaller the file size, and the lower the data required to transfer the image on the network. A tl;dr of recommendations can be found below. Large preview ).

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Open Source Speed Website Google 144