Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. What's changed since last year? and 75KiB of JavaScript.

Performance 90

Performance Network Mobile Speed 90

Testsigma

FEBRUARY 5, 2021

Facebook’s mobile device testing lab at the Prineville Data Centre is equipped with Android and iOS devices that test Facebook applications and Instagram. Thousands of mobile devices are racked that are used for testing apps that would soon launch into the real world. The Need For Mobile Testing Lab. Key Considerations.

Mobile 52

Mobile Testing Hardware DevOps 52

MachMetrics

JANUARY 23, 2020

You run a speed test on a website, and the results don’t match what you personally experience. Perhaps you feel like your site loads fairly quickly, but the speed test results are sub-optimal. We wanted to have control of the hardware that runs our tests and deliver consistent results. Don’t stress over a score.

Speed 62

Speed Testing Website Cache 62

Testlodge

NOVEMBER 12, 2021

Results may vary because of factors like resolution, internet speed, and different OS versions. Hardware Compatibility Testing: In this scenario, an application is tested against various hardware configurations to check behavior. Why Perform Compatibility Testing?

Testing 78

Testing Hardware Operating System Mobile 78

The Netflix TechBlog

NOVEMBER 9, 2021

In February 2020, Netflix started streaming AV1 to the Android mobile app. We were very pleased to see that AV1 streaming improved members’ viewing experience, particularly under challenging network conditions. AV1 playback on TV platforms relies on hardware solutions, which generally take longer to be deployed.

Media 246

Media Open Source Efficiency Software Engineering 246

Testsigma

JANUARY 30, 2021

The native and mobile web browser testing is being performed more and more compared to desktop testing. What are Mobile Web Applications? Applications that do not require to be downloaded and can be accessed via hitting the URL on a mobile browser are known as mobile web applications. What are Native Applications?

Mobile 52

Mobile Testing Website Internet 52

Testsigma

APRIL 13, 2021

In this article, we will be looking at mobile testing for iOS. During compatibility testing of an application, we check the compatibility of the application with multiple devices, hardware, software versions, network, operating systems, and browsers, etc. How do we achieve the same impact in mobile app testing?

Testing 84

Testing Hardware Mobile Testing Tools 84

Dynatrace

NOVEMBER 15, 2021

A log is a detailed, timestamped record of an event generated by an operating system, computing environment, application, server, or network device. Logs can include data about user inputs, system processes, and hardware states. “Logging” is the practice of generating and storing logs for later analysis.

Analytics 205

Analytics Monitoring Artificial Intelligence DevOps 205

Speed Curve

MARCH 7, 2022

But pages keep getting bigger and more complex year over year – and this increasing size and complexity is not fully mitigated by faster devices and networks, or by our hard-working browsers. Size matters especially to mobile users who have limited and/or metered data. But more resources are being served to mobile.

Mobile 145

Mobile Benchmarking Google Metrics 145

KeyCDN

JULY 11, 2019

I’m almost always on a slow connection and the amount of time it takes images to load on most websites is just horrid… - Sara Soueidan Desktop and Mobile Images Just how much of a website is made up of images? KB and the average mobile page is 1,683.5 KB and on a mobile page take up an average of 865.9

Speed 52

Speed Website Mobile Latency 52

CSS Wizardry

AUGUST 7, 2019

Armed with this knowledge, we can soon understand why TTFB can often increase so dramatically on mobile. Surely, you’ve wondered before, the server has no idea that I’m on a mobile device—how can it be increasing its TTFB?! The reason is because mobile networks are, as a rule, high latency connections.

Latency 269

Latency Ecommerce Servers Mobile 269

The Morning Paper

OCTOBER 4, 2020

We are standing on the eve of the 5G era… 5G, as a monumental shift in cellular communication technology, holds tremendous potential for spurring innovations across many vertical industries, with its promised multi-Gbps speed, sub-10 ms low latency, and massive connectivity. The first 5G networks are now deployed and operational.

Energy 130

Energy Latency Performance Network 130

Speed Curve

JULY 3, 2023

For more than ten years, I've been writing about page bloat, its impact on site speed, and ultimately how it affects your users and your business. Size matters, especially to mobile users who have limited and/or metered data. threshold for "good" LCP applies to both mobile and desktop experiences – it doesn't differentiate.

Mobile 52

Mobile Google Metrics Retail 52

Alex Russell

MARCH 6, 2021

Thanks to progress in networks and browsers (but not devices), a more generous global budget cap has emerged for sites constructed the "modern" way: ~100KiB of HTML/CSS/fonts and ~300-350KiB of JS (compressed) is the new rule-of-thumb limit for at least the next year or two. Modern network performance and availability.

Performance 124

Performance Network Cache Metrics 124

CSS - Tricks

JULY 25, 2019

In this article, we uncover how PageSpeed calculates it’s critical speed score. It’s no secret that speed has become a crucial factor in increasing revenue and lowering abandonment rates. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. Speed Index.

Google 71

Google Engineering Speed Mobile 71

Tim Kadlec

JANUARY 9, 2019

Sites that use an excess of resources, whether on the network or on the device, don’t just cause slow experiences, but can leave entire groups of people out. Similarly, there is a growing gap between what a top of the line network connection can handle and what someone with a poor mobile connection or satellite connection can handle.

Performance 111

Performance Energy Internet Internet 111

CSS - Tricks

AUGUST 18, 2020

When even a bit of React can be a problem on devices slow and fast alike, using it is an intentional choice that effectively excludes people with low-end hardware. Server rendering is also cool—even if that’s just how we say “send HTML over the network” these days. Mobile nav open time. Mobile nav close time.

Performance 101

Performance Mobile Servers Code 101

Smashing Magazine

JANUARY 11, 2021

Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. 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.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

APRIL 19, 2021

Time to First Byte (TTFB), DOM Content Loaded, Start Render, Speed Index) — but from the experience of the user. These tools run page loads on simulated networks and devices and then tell you what the metrics were for that test run.

Google 140

Google Metrics Mobile Analytics 140

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. Explore how improving performance can help relieve some of these common problems. Large preview ).

Performance 145

Performance Cache Network Metrics 145

Alex Russell

SEPTEMBER 20, 2020

Pre-publication gates were valuable when better answers weren't available, but commentators should update their priors to account for hardware and software progress of the past 13 years. Industry commentators often write as though the transition to mobile rigidly aligned OSes with specific technology platforms.

Hardware 64

Hardware Mobile Programming Java 64

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. Run performance experiments and measure outcomes — both on mobile and on desktop. Start Render time, Speed Index ).

Performance 103

Performance Cache Metrics Network 103

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. From Speed at Scale with Katie Hempenius and I at Google I/O. Avoid wasting pixels (compress, don’t serve overly high DPR images).

Media 145

Media Network Metrics Mobile 145

Alex Russell

OCTOBER 22, 2017

We constrain ourselves to a real-world baseline device + network configuration to measure progress. Budgets are scaled to a benchmark network & device. media="(min-width: 750px)"> <img srcset="img@mobile.png, img@mobile-2x.png 2x". Two numbers set the stage: 45% of mobile connections occur over 2G worldwide.

Performance 68

Performance Benchmarking Network Mobile 68

Alex Russell

JUNE 20, 2020

That (mobile-first) work added PWA installability , Push Notifications , Web Bluetooth , WebUSB , and Background Sync. full TCP/IP & UDP networking, including local network discovery. Java arrived with a focus on structured programming (including threads), GUI controls , networking, device access, and graphics.

Hardware 55

Hardware Games Java Media 55

Dotcom-Montior

NOVEMBER 27, 2018

Today’s applications are built on multiple technologies, relying on vast networks of third-party providers and CDN’s. Additionally, end users can access your site or applications from anywhere in the world using different browsers, operating systems, and mobile devices, all with varying connection speeds.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Smashing Magazine

JANUARY 21, 2021

At the time of the workshop, our Lighthouse scores were 60–68 on the homepage , and around 40-60 on article pages — and obviously worse on mobile. The reasons for it are numerous, but the most important one is a huge difference in network conditions and device hardware across the world. Identifying The Bottlenecks.

Performance 145

Performance Cache Mobile Network 145

All Things Distributed

DECEMBER 20, 2017

That can be seen when sales people, for example, interact with their customers in online shops or via mobile apps. Breuninger uses modern templates for software development, such as Self-Contained Systems (SCS), so that it can increase the speed of software development with agile and autonomous teams and quickly test new features.

Artificial Intelligence 79

Artificial Intelligence Social Media Logistics AWS 79

KeyCDN

AUGUST 15, 2019

When the word “performance” is heard, most people immediately think of speed. Our page speed tests gives you a full waterfall breakdown of how your website performs, and you can test how fast your page loads from 14 different locations. Many testing tools let you monitor user behavior in great detail.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

Smashing Magazine

SEPTEMBER 3, 2021

It can be hard to visualize the huge network of hardware that allows you to send a request for a page to a server and then receive a response back. Also, the amount of data that is required for the page, and the complexity of the route it must travel through, will determine the amount of carbon released by the network itself.

Website 135

Website Energy Internet Internet 135

All Things Distributed

DECEMBER 12, 2018

We launched Edge Network locations in Denmark, Finland, Norway, and Sweden. "We are preparing for the opening of competition on rails in Finland and at the same time the industry is going through transformation to mobility as a service for both passengers and goods. Telenor Connexion.

AWS 124

AWS Cloud Games Serverless 124

O'Reilly

NOVEMBER 28, 2023

That pricing won’t be sustainable, particularly as hardware shortages drive up the cost of building infrastructure. AI isn’t yet at the point where it can write as well as an experienced human, but if your company needs catalog descriptions for hundreds of items, speed may be more important than brilliant prose. from education.

Open Source 108

Open Source Artificial Intelligence Google Infrastructure 108

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. A Primer on Speed. Congestion Control.

Performance 105

Performance Network Latency Servers 105

High Scalability

NOVEMBER 25, 2019

To add elasticity, reliability and durability, these data centers are connected to Google Cloud platform using high speed, secure Google Interconnect network. It can be accessed from a variety of endpoints like FTP, WebDAV, mobile, public API, and browsers and features strong audit and security components. Document store.

Architecture 52

Architecture Cache Azure Storage 52