Speed Curve

DECEMBER 3, 2018

The number of performance metrics is large and increases every year. It's important to understand what the different metrics represent and pick metrics that are important for your site. Our Evaluating rendering metrics post was a popular (and fun) way to compare and choose rendering metrics.

Metrics 58

Metrics Mobile Tuning Network 58

Rigor

JULY 11, 2019

Additionally, teams are measuring and tracking key business metrics – conversion rates, cart abandonment rates, customer lifetime value, revenue by traffic source, and so on. Why Are User-centric Metrics Essential for Ecommerce? Which Metrics Matter for Ecommerce? At this point, you’re probably saying, “Great.

Ecommerce 87

Ecommerce Metrics Website Mobile 87

Dynatrace

MAY 6, 2021

On the “Network overview” page, `Host group` filter suggestions are now properly displayed when a management zone is selected. Metric data points are no longer erroneously billed (DDUs) after the dimension limit is exceeded. Removed AWS Amazon MQ Supporting Service EnqueueTime metrics with Multi aggregation.

Operating System 225

Operating System AWS Metrics Storage 225

The Netflix TechBlog

NOVEMBER 29, 2023

Details pertaining to HDR-VMAF exceed the scope of this article and will be covered in a future blog post; for now, suffice it to say that the first version of HDR-VMAF landed internally in 2021 and we have been improving the metric ever since. Improvements have been seen across all device categories ranging from TVs to mobiles and tablets.

Open Source 252

Open Source Software Engineering Internet Internet 252

Dynatrace

AUGUST 26, 2020

Linked problems are no longer returned in the mobile problem feed. The calculated service metrics limit message is now improved to be more specific. On CPU usage chart for Windows host, System and User metrics are no longer interchanged. Querying data points for a metric no longer fails when the metric key starts with a number.

Azure 241

Azure Metrics Monitoring Cloud 241

The Netflix TechBlog

AUGUST 28, 2020

As the number of 4K titles in our catalog continues to grow and more devices support the premium features, we expect these video streams to have an increasing impact on our members and the network. As mobile devices continue to improve, they adopt premium features (other than 4K resolution) like 10-bit and HFR.

Network 330

Network Storage Innovation Mobile 330

Speed Curve

DECEMBER 10, 2017

Network metrics have been around for decades, but rendering metrics are newer. These are a few of the rendering metrics that currently exist. A brief history of performance metrics. Metrics quantify behavior. Metrics quantify behavior. Gaps in today's performance metrics. Speed Index.

Metrics 68

Metrics Website Speed Monitoring 68

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. With this launch, AV1 streaming reaches tens of millions of Netflix members.

Media 246

Media Open Source Efficiency Software Engineering 246

Speed Curve

JUNE 30, 2020

Keep reading to find out what this means and how it may affect your performance metrics. While we can't predict exactly how the updates will affect performance metrics, here are a few observations we made during our initial investigation: Lighthouse performance scores for mobile tests could stay roughly the same.

Metrics 98

Metrics Mobile Google Network 98

CSS Wizardry

AUGUST 7, 2019

However, one metric I feel that front-end developers overlook all too quickly is Time to First Byte (TTFB). 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?!

Latency 269

Latency Ecommerce Servers Mobile 269

The Morning Paper

MAY 30, 2019

A case for lease-based, utilitarian resource management on mobile devices Hu et al., The underlying abstract model for resource usage in mobile OSes is an ask-use-release cycle. For example, the K-9 mail app on Android had a bug whereby it would enter an infinite retry loop when the network was disconnected or a mail server failed.

Mobile 59

Mobile Energy Network Games 59

Tim Kadlec

JUNE 21, 2022

The TLS + QUIC layer makes UDP safer to use, but a lot of networks will likely still block for awhile. The RSVP problem: HTTP/3 might be blocked on the network or may not be enabled on the server. From then on, the browser tries HTTP/3 in parallel with HTTP/1 and 2 so that there’s an immediate fallback if the network blocks.

Network 64

Network Mobile Google Cache 64

Speed Curve

NOVEMBER 7, 2021

Chances are, you're here because of Google's update to its search algorithm , which affects both desktop and mobile, and which includes Core Web Vitals as a ranking factor. The metrics that comprise Web Vitals are still evolving. The metrics that comprise Web Vitals are still evolving. That's a good thing.

Performance 96

Performance Google Metrics Mobile 96

The Netflix TechBlog

SEPTEMBER 8, 2020

To prepare ourselves for a big change in the tech stack of our endpoint, we decided to track metrics around the time taken to respond to queries. After some consultation with our backend teams, we determined the most effective way to group these metrics were by UI screen. This meant that data that was static (e.g.

Latency 233

Latency Cache Java Traffic 233

Smashing Magazine

DECEMBER 19, 2021

The issue was that LCP was too slow on mobile. Previous metrics measured variations of the first paint to screen (often this was a header or background color); incidentally content that isn’t really what the user actually wants to get out of the page. And the “contentful” part of the name shows this metric is intended to ignore (e.g.

Google 143

Google Traffic Mobile Website 143

Dynatrace

AUGUST 13, 2020

So, I figured it’s about time I summarized the top reasons why you as an ITOps person need to look beyond your typical IT sources – logs, metrics and traces – which are these days known as Observability data. Reason #1: Measure what matters from the right point of view. Reason #3: Third-party impact on the end-user.

Monitoring 223

Monitoring Airlines Analytics Strategy 223

Smashing Magazine

AUGUST 15, 2023

Large preview ) While browsers are generally pretty fast, these steps still take time to load, typically in seconds, and even longer on slower, high-latency network connections. So noticeable, in fact, that Core Web Vitals has a metric all about it called Largest Contentful Paint (LCP). Here’s how we are approaching it.

Media 73

Media Metrics Mobile Best Practices 73

CSS - Tricks

SEPTEMBER 21, 2020

We discover a statistically significant negative correlation between performance scores and the energy consumption of mobile web apps (with medium to large effect sizes), implying that an increase of the performance score tend to lead to a decrease of energy consumption. They were testing mobile web apps on Android using Lighthouse scores.

Website 97

Website Energy Storage Efficiency 97

CSS - Tricks

JULY 25, 2019

Last year, Google made two significant changes to their search indexing and ranking algorithms : In March, indexing became based on the mobile version of a page , rather than desktop. In July, the SEO ranking algorithm was updated to include page speed as a ranking factor for both mobile pages and ads. In PageSpeed 5.0, Speed Index.

Google 71

Google Engineering Speed Mobile 71

Rigor

JANUARY 13, 2020

These are the bestsellers in the web performance field, including the good old Speed Up Your Site (2003) by Andy King; Steve Souders’ Even Faster Web Sites (2009) ; Ilya Grigorik’s High Performance Browser Networking (2013) ; Tammy Everts’ Time is Money (2016) ; and a handful of more recent publications. Mobile First.

Performance 75

Performance Social Media Website Website Performance 75

O'Reilly

APRIL 30, 2024

These algorithms save everyone time and money: by helping users navigate through thousands of products to find the ones with the highest quality and the lowest price, and by expanding the market reach of suppliers through Amazon’s delivery infrastructure and immense customer network.

Social Media 91

Social Media Artificial Intelligence Innovation Logistics 91

Dynatrace

JULY 1, 2020

In today’s world of observ ability and reporting , my experience in capturing the end-user-experience (EUE) with web and mobile application technologies is easy to achieve. Dynatrace news. But not all applications are created equally when it comes to obtaining users’ experience.

Database 241

Database Servers Monitoring Code 241

O'Reilly

APRIL 23, 2024

Perhaps a more direct way to say this in the context of economic value creation is that companies such as Amazon and Google and Facebook had developed a set of remarkable advances in networked and data-enabled market coordination. It takes even more swipes to see the fifth organic result on mobile.

Social Media 111

Social Media Google Internet Internet 111

MachMetrics

MARCH 21, 2020

You can even simulate the performance of your site on older mobile devices, by using the CPU Slowdown and Network settings. Mobile devices usually have much less CPU power than desktops and laptops. To disable that, simply click the box. Additionally, many users aren’t using the latest, fastest flagship models.

Speed 99

Speed Performance Google Mobile 99

Jos

JUNE 2, 2018

One could argue this is a metric-driven decision. Simulate bad network conditions and slow CPUs and make your project resilient. There is a lot research on how performance optimization improves key metrics and sites like WPO Stats are a good source of case studies. Well, not so fast. That’s how you can convince your boss.

Performance 237

Performance Speed Google Media 237

Speed Curve

OCTOBER 27, 2020

The newcomer to the scene was Cumulative Layout Shift (CLS), and, not surprisingly, it's the metric that's gotten the most questions. Does it correlate to user behaviour or business metrics in any measurable way? at the 75th percentile for mobile and desktop devices. How is it calculated? What are the (inevitable) gotchas?

Retail 80

Retail Benchmarking Google Metrics 80

Tasktop

JULY 23, 2020

A few years ago our Chief Product Officer, Nicole Bryan, called the marketing team, talking excitedly about flight trackers, network activity, value stream flow and a new way to think about managing software delivery at scale. Mik writes about Nicole’s airline network epiphany in his book Project to Product.

Airlines 52

Airlines Healthcare Government Games 52

Smashing Magazine

MARCH 2, 2021

The State Of Mobile And Why Mobile Web Testing Matters. The State Of Mobile And Why Mobile Web Testing Matters. Things have changed quite a bit over the last decade when we just started exploring what we could do on a tiny, shiny mobile screen. State Of Mobile 2021. Kelvin Omereshone. Large preview ).

Mobile 135

Mobile Testing Website Benchmarking 135

Edge Perspectives

JANUARY 21, 2019

Performance metrics: Shift from financial results to addressing unmet needs. Sure, financial metrics will still matter, but the metrics that will matter the most will involve the ability to address more effectively the evolving needs of key stakeholders, with a focus on customers. Growth: Shift from make or buy to mobilize.

Innovation 104

Innovation Scalability Efficiency Mobile 104

Dotcom-Montior

JUNE 16, 2020

SaaS businesses are built upon the simplicity of computing, storage, and networking they provide to their users. Web and mobile applications provided by SaaS businesses are meant to be straight forward to consume for users. It can cause your web and mobile applications to go down or have a performance issue. Infrastructure.

Infrastructure 52

Infrastructure Monitoring Mobile Benchmarking 52

Tasktop

JANUARY 27, 2021

Value Stream Networks. Understanding how to create and connect a Value Stream Network, we must first understand the ground truth of enterprise IT tool networks. Managing product better to deliver faster time-to-value to the customer (instead of focusing on internal project metrics).

Code 52

Code Automotive Government Network 52

Speed Curve

APRIL 2, 2019

As organizations work to improve performance for users around the world on slower networks and devices, the focus on JavaScript continues to grow. Ten years ago, the network was the primary bottleneck slowing down web pages. The heatmap below shows how well different page types are performing against a set of JavaScript metrics.

Traffic 53

Traffic Metrics Network Mobile 53

Tim Kadlec

MARCH 28, 2018

Focused on improving the mobiler performance of the Etsy listing page. Code for mobile listing page started in 2013 with multiple teams, so lots of legacy code baggage. They ran their listing page through WebPageTest on an iPhone 6 over a slow 3g network to level set. Hypothesis. 90% of visits were under 5 seconds.

Network 45

Network Mobile Architecture Metrics 45

Rigor

SEPTEMBER 11, 2019

Developers representing hundreds of companies work together at these meetups to become masters in performance metrics and the latest trends in measuring site speed.) An author , an educator , and a speaker , Max is an independent consultant in the mobile and web space. That’s right – NY WebPerf is 10 years old!

Performance 89

Performance Education Google Website 89

Apica

OCTOBER 17, 2022

Along with that primary workflow of on-screen requests and responses, the journey also includes metrics that are directly experienced by users, such as response times, the frequency of interruptions, visual consistency, and accurate results. Metrics and observability data hoarding.

Retail 52

Retail Website Infrastructure Software Architecture 52

Rigor

NOVEMBER 22, 2019

According to Tim Kadlec : A performance budget is a clearly defined limit on one or more performance metrics that the team agrees not to exceed and that is used to guide design and development. Load time is critical , as 53% of mobile users will leave a site that takes longer than three seconds to load. Types of Performance Budgets.

Performance 45

Performance Metrics Website Speed 45

Rigor

JANUARY 25, 2018

From Facebook reworking their News Feed (again) to show fewer posts from publishers to Google’s Speed Update including mobile load time in search rankings , the digital publishing industry has a lot to grapple with these days. Consistently Deliver High Quality Experiences–Especially on Mobile. Wondering how you stack up?

Mobile 40

Mobile Ecommerce Latency Speed 40