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 24, 2023

Let’s look at it for a site that’s much “heavier” than Smashing Magazine. Total Blocking Time One thing I know would be more helpful than a set of Core Web Vitals scores from Lighthouse is knowing the time it takes to go from the First Contentful Paint (FCP) to the Time to Interactive (TTI), a metric known as the Total Blocking Time (TBT).

Google 94

Google Analytics Traffic Metrics 94

Smashing Magazine

SEPTEMBER 6, 2021

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)). You would, however, be hard-pressed even today to find a good article that details the nuanced best practices. Servers and Networks. However, if you’re still on HTTP/1.1,

Network 108

Network Servers Cache Traffic 108

Smashing Magazine

JUNE 1, 2022

In this case, we are not going to be talking about infrastructure services, such as a cloud computing platform like Microsoft Azure or a content distribution network like Akamai. And JavaScript can certainly make requests for additional network resources. Sometimes, the visitor’s browser itself can be the origin of network activity.

Website 133

Website Design Network Testing 133

Smashing Magazine

AUGUST 9, 2021

It also, however, takes a full network round trip to complete before anything else can be done on a connection. Finally, QUIC also uses so-called flow-control and congestion-control mechanisms that prevent a sender from overloading the network or the receiver, but that also make TCP slower than what you could do with raw UDP.

Transportation 145

Transportation Internet Internet Network 145

Smashing Magazine

JANUARY 15, 2019

This includes the work done by the server, the client and the intermediary communications networks that transmit data between the two. All of the major browsers provide developer tools that allow us to measure network activity. Reduce Network Requests. Data transfer is one thing that we can measure quite easily. Large preview ).

Website Performance 74

Website Performance Website Energy Performance 74

Smashing Magazine

MAY 9, 2022

400 pages , jam-packed with in-depth user research and best practices. A disk cache is faster than having to fetch those resources from the network (though not always, oddly enough !), seconds — the best number Smashing Magazine has ever seen since the Core Web Vitals initiative was launched.

Cache 93

Cache Games Performance Website 93

Smashing Magazine

AUGUST 3, 2023

You need to beware that slow server response times can significantly increase TTFB, often due to server overload, network issues, or un-optimized logic on the server side. You need to beware of large HTML files or slow network connections because they can lead to longer download times. This determines how long a page remains “fresh.”

Performance 75

Performance Cache Traffic Metrics 75

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. The delivery of static assets in formats such as WebP via a Content Delivery Network (CDN) is also crucial to serving your users a fast website. Technical and sales support. Enterprise features. Infrastructure Integration.

Cache 144

Cache Website Mobile Google 144

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.

Social Media 145

Social Media Media Network Website 145

Smashing Magazine

MAY 5, 2021

This can be measured in content download of the HTML resource in the network panel. 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. Conclusions. Delivering thin resources is essential, especially when it comes to HTML.

Google 111

Google Architecture Servers Speed 111

Smashing Magazine

FEBRUARY 2, 2022

This problem is more apparent on unreliable and slow networks and lower-end devices. In this article, we’re going to cover code-splitting best practices and showcase some examples using React, so we load the minimum JavaScript necessary to render a page and dynamically load sizeable non-critical bundles. Large preview ).

Code 91

Code Performance Network Website 91

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. This component incorporates several image-related best practices. We are continuously looking out for areas of opportunities to improve the user’s online shopping experience.

Website 108

Website Google Metrics Testing Tools 108

Smashing Magazine

JANUARY 16, 2023

To address this problem, I’ll provide an overview of the best practices for the integration and optimization of an LCP image. Note : In your browser development tools, open the Network > Img tabs to see the image chosen by the browser according to each viewport and DPR. srcset=" image-300.png png 300w, image-900.png

Media 108

Media Mobile Website Metrics 108

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.

Speed 135

Speed Processing Development Code 135

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.

Cache 74

Cache Strategy Best Practices Design 74

Smashing Magazine

JULY 20, 2021

Ultimately all our data will be delivered through CDN networks. A content delivery network (CDN), is a geographically distributed network of proxy servers and their data centers. Always offering services that will allow us to optimize our assets and the speed of response with which they are served to us.

Website 143

Website Architecture Technology Technology 143

Smashing Magazine

AUGUST 31, 2021

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. But it will also benefit from sticking to the common best practices when it comes to rendering performance on apps. Try It Yourself.

Cache 104

Cache Servers Best Practices Code 104

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. In the example video from my own site that has this problem, I’ve used the Network Conditions panel in Edge to load the site with “Network throttling” set to “Slow 3G.”

Design 145

Design Availability Mobile Website 145

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. I can test this out by putting that tag in a page, and then flipping to the Network tab in my browser tools to see that the file has been loaded.

Website 59

Website Servers Code Best Practices 59

Smashing Magazine

AUGUST 19, 2021

Many may not be familiar with other specific protections such as Customer Network Proprietary Information (CPNI) which safeguards the type, quantity, configuration, or location of telecommunications and interconnected services you use. 2 male Caucasians said X , 1 black woman said Y ). User Personas.

Code 139

Code Design Education Government 139

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.

Best Practices 145

Best Practices Website Architecture Media 145

Smashing Magazine

MARCH 7, 2022

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. Approximately two-thirds of Indian mobile Chrome users of Smashing Magazine have this setting turned on, for example. For Smashing Magazine, that involved dropping some of our web fonts. Data Saver.

Website 105

Website Media Mobile Network 105

Smashing Magazine

AUGUST 22, 2021

We will, however, also be somewhat skeptical of the impact we can expect from these new features in practice. As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. As such, even low latencies of less than 50 milliseconds can add up to considerable delays. Congestion Control.

Performance 107

Performance Network Latency Servers 107

Smashing Magazine

JUNE 8, 2021

Optimizing Network Requests with Caching and Preloading. +. Downloading files such as images or videos over the network can be slow and costly. HTTP caching, service workers, image spriting, and preloading help optimize network requests. Image Content Delivery Networks. +. Large view. Table Of Contents. ePUB, Kindle, PDF.

Media 109

Media Cache Google Best Practices 109

Smashing Magazine

APRIL 28, 2021

Optimizing Network Requests with Caching and Preloading. +. Downloading files such as images or videos over the network can be slow and costly. HTTP caching, service workers, image spriting, and preloading help optimize network requests. Image Content Delivery Networks. +. Large view. Table Of Contents. ePUB, Kindle, PDF.

Media 94

Media Cache Google Best Practices 94

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. An image gallery eagerly loading all the images it needs upfront, as shown in the Chrome DevTools Network panel. Large preview ).

Media 145

Media Network Metrics Mobile 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 ).

Strategy 135

Strategy Testing Best Practices Code 135

Smashing Magazine

MAY 17, 2021

We try to follow best practice by serving as much as we can over a CDN, avoiding as many third-party scripts as possible, and using simple SVG graphics instead of bitmap PNGs. When using tools like the Chrome Web Vitals extension, it’s important to enable CPU and network throttling to get a more realistic experience.

Google 96

Google Analytics Serverless Metrics 96

Smashing Magazine

SEPTEMBER 29, 2021

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. CDN servers are often located closer to users than origin servers and can have a shorter round-trip times (RTT), improving network latency.

Open Source 145

Open Source Speed Website Google 145

Smashing Magazine

NOVEMBER 30, 2021

We last talked to him in July 2020 , where we asked if modern best practices about for the web. Last time we talked, we posed this question of if modern best practices, the use of reactive frameworks and these sorts of things were actually bad for the progress of the web. Drew: You want it to remain unspoiled.

Technology 97

Technology Technology Servers Code 97

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. Hooks must be called at the top level of a component, before the return statement.

Code 119

Code Availability Efficiency Performance 119

Smashing Magazine

JANUARY 7, 2019

If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled network (e.g. To make the performance impact more visible, you could even introduce 2G Tuesdays or set up a throttled 3G network in your office for faster testing. 150ms RTT, 1.5 Mbps down, 0.7 Mbps up) with a throttled CPU (5× slowdown).

Performance 105

Performance Cache Network Metrics 105

Smashing Magazine

JANUARY 6, 2020

If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled 3G network (e.g. To make the performance impact more visible, you could even introduce 2G Tuesdays or set up a throttled 3G/4G network in your office for faster testing. 300ms RTT, 1.6 Mbps down, 0.8

Performance 145

Performance Cache Network Servers 145

Smashing Magazine

JANUARY 11, 2021

Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled 3G network (e.g. Moto G4) on a slow 3G network, emulated at 400ms RTT and 400kbps transfer speed. 300ms RTT, 1.6 Mbps down, 0.8

Performance 145

Performance Cache Media Metrics 145