The Netflix TechBlog

JANUARY 24, 2022

Angus Croll Netflix is used by 222 million members and runs on over 1700 device types ranging from state-of-the-art smart TVs to low-cost mobile devices. To that end, it’s important that we prevent significant performance regressions from reaching the production app. What do we mean by Performance?

Performance 199

Performance Metrics Performance Testing Testing 199

Dynatrace

MAY 31, 2023

Mobile retail e-commerce spending in the U. With so many of their transactions occurring online, customers are becoming more demanding, expecting websites and applications to always perform perfectly. At the lowest level, SLIs provide a view of service availability, latency, performance, and capacity across systems.

Best Practices 230

Best Practices DevOps Latency Metrics 230

Dynatrace

MARCH 16, 2023

In the 2023 Perform session “SLOs done right: A practitioners guide,” Michael Cabrera, SRE lead at Vivint, and Andreas Grabner, DevSecOps activist at Dynatrace, break down the state of SLOs and discuss how teams can adopt successful SLOs, avoid less-than-ideal objectives, and ultimately build better SLOs.

DevOps 224

DevOps Latency Metrics Traffic 224

Dynatrace

JANUARY 13, 2022

Real user monitoring (RUM) is a performance monitoring process that collects detailed data about a user’s interaction with an application. Native mobile applications are monitored by adding the monitoring library directly to your mobile application package. What is real user monitoring? Examples of real user monitoring.

Monitoring 188

Monitoring Latency Mobile Best Practices 188

Smashing Magazine

MARCH 25, 2021

How To Boost Media Performance On A Budget. How To Boost Media Performance On A Budget. However, just as out-of-control spending bodes ill in the long run, so does unbudgeted digital media decimate site performance. Performance Budgets. “A A performance budget is ‘. Business Performance. Akshay Ranganath.

Media 118

Media Performance Mobile Latency 118

DZone

APRIL 7, 2021

When 54 percent of the internet traffic share is accounted for by Mobile , it's certainly nontrivial to acknowledge how your app can make a difference to that of the competitor! Introduction.

Network 200

Network Performance Cache Internet 200

The Netflix TechBlog

JANUARY 10, 2024

This architecture shift greatly reduced the processing latency and increased system resiliency. We expanded pipeline support to serve our studio/content-development use cases, which had different latency and resiliency requirements as compared to the traditional streaming use case. divide the input video into small chunks 2.

Processing 229

Processing Media Latency Innovation 229

The Morning Paper

JANUARY 30, 2020

Seamless offloading of web app computations from mobile device to edge clouds via HTML5 web worker migration , Jeong et al., This paper caught my eye for its combination of an intriguing idea (opportunistic offload of computation from mobile devices to the edge) and the elegance of the way the web worker interface supports this use case.

Mobile 104

Mobile Cloud Latency Games 104

Uber Engineering

MAY 14, 2019

Uber operates on a global scale across more than 600 cities, with our apps relying entirely on wireless connectivity from over 4,500 mobile carriers.

Wireless 111

Wireless Performance Mobile Latency 111

CSS Wizardry

AUGUST 7, 2019

The first—and often most surprising for people to learn—thing that I want to draw your attention to is that TTFB counts one whole round trip of latency. Armed with this knowledge, we can soon understand why TTFB can often increase so dramatically on mobile. The reason is because mobile networks are, as a rule, high latency connections.

Latency 269

Latency Ecommerce Servers Mobile 269

Speed Curve

MAY 1, 2023

If you've invested countless hours in speeding up your pages, but you're not using performance budgets to prevent regressions, you could be at risk of wasting all your efforts. Background: How performance budgets work 1. What is a performance budget? What should a performance budget look like? Let's get started!

Performance 98

Performance Metrics Media Google 98

Dynatrace

APRIL 7, 2021

Some looking at back-end performance – such as code execution time, CPU, or Kubernetes monitoring – and some looking at front-end performance – business KPIs, and whether apps are running well for customers. Kiosks, mobile apps, websites, and QR codes. We seamlessly integrate our app, mobile, web, and kiosk experiences. “We

Cloud 159

Cloud Monitoring Latency Games 159

Dynatrace

MAY 19, 2022

This multinational information technology service and consulting company was asked to help a global automotive manufacturer with the management goal of measuring service flow performance. For example, the mobile device talked to an API gateway, and that team was not responsible for all the details of the back-end systems.

Automotive 277

Automotive Latency Architecture Azure 277

The Morning Paper

OCTOBER 4, 2020

Understanding operational 5G: a first measurement study on its coverage, performance and energy consumption , Xu et al., What is the end-to-end throughput and latency, and where are the bottlenecks? Throughput and latency. 5G network paths achieve an average latency of 21.8ms, a 32% reduction on the comparable 4G times.

Energy 130

Energy Latency Performance Network 130

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.

Performance 74

Performance Cache Traffic Metrics 74

Alex Russell

MARCH 6, 2021

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

Dynatrace

APRIL 26, 2022

Understanding why a user is experiencing transactional or performance issues enables organizations to achieve greater observability that goes beyond metrics, traces and logs. Digital experience monitoring (DEM) allows an organization to optimize customer experiences by taking into account the context surrounding digital experience metrics.

Monitoring 213

Monitoring Social Media IoT Metrics 213

Alex Russell

MAY 9, 2022

Despite advances in browser tooling , automated evaluation , lab tools , guidance , and runtimes , however, teams struggle to deliver even decent performance with today's popular frameworks. What is Performance? It may seem a silly question, but what is performance, exactly?

Performance 86

Performance Latency Metrics Engineering 86

Speed Curve

MARCH 11, 2024

After years of development and testing, Google has added Interaction to Next Paint (INP) to its trifecta of Core Web Vitals – the performance metrics that are a key ingredient in its search ranking algorithm. This lets you see at a glance the relationship between performance, user engagement, and your business. for mobile.

Mobile 81

Mobile Google Metrics Monitoring 81

The Netflix TechBlog

FEBRUARY 18, 2022

By: Ankush Gulati , David Gevorkyan Additional credits: Michael Clark , Gokhan Ozer Intro Netflix has more than 220 million active members who perform a variety of actions throughout each session, ranging from renaming a profile to watching a title. This network connection heterogeneity made choosing a single delivery model difficult.

Systems 334

Systems Traffic Architecture Mobile 334

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

Scalegrid

MARCH 28, 2024

In this comparison of Redis vs Memcached, we strip away the complexity, focusing on each in-memory data store’s performance, scalability, and unique features. Redis and Memcached both provide high performance with sub-millisecond response times. Choosing between Redis and Memcached hinges on specific application requirements.

Cache 130

Cache Storage Scalability Architecture 130

Smashing Magazine

SEPTEMBER 28, 2022

Five Data-Loading Patterns To Improve Frontend Performance. Five Data-Loading Patterns To Improve Frontend Performance. When it comes to performance, you shouldn’t be stingy. On design systems, UX, web performance and CSS/JS. However, some caveats regarding performance, scalability, and potential data conflicts exist.

Cache 126

Cache Performance Servers Social Media 126

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?

Performance 145

Performance Cache Media Metrics 145

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. HTTP/3 performance features ( current article ). Two-way latency is often called round-trip time (RTT).

Performance 106

Performance Network Latency Servers 106

Dynatrace

MAY 5, 2021

At Perform 2021 , Dynatrace’s Kristof Renders, Services Practice Manager for Autonomous Cloud Enablement, joined Sumit Nagal, Principal Engineer at Intuit, to demonstrate how service-level objectives (SLOs) and business-level objectives (BLOs) can “shift left.” For example, improving latency by as little as 0.1

Benchmarking 191

Benchmarking Latency Speed Software 191

CSS - Tricks

DECEMBER 14, 2020

The data comes from making queries to the HTTP Archive and is broken down into various sections, such as Performance, Security, and the languages themselves, including how folks wrote HTML or CSS. Mobile pages do use slightly less CSS code across all percentiles, but only by 4 to 7 KB.

Latency 98

Latency Mobile Website Speed 98

The Netflix TechBlog

MAY 14, 2021

The recipients of watermarked documents are able to access these documents and links in their email as well as in the Prodicle mobile application. We are expected to process 1,000 watermarks for a single distribution in a minute, with non-linear latency growth as the number of watermarks increases.

Traffic 160

Traffic Latency Java Google 160

The Netflix TechBlog

SEPTEMBER 8, 2020

For each route we migrated, we wanted to make sure we were not introducing any regressions: either in the form of missing (or worse, wrong) data, or by increasing the latency of each endpoint. Being able to canary a new route let us verify latency and error rates were within acceptable limits. This meant that data that was static (e.g.

Latency 233

Latency Cache Java Traffic 233

Dynatrace

OCTOBER 1, 2021

Because cloud services rely on a uniquely distributed and dynamic architecture, observability may also sometimes refer to the specific software tools and practices businesses use to interpret cloud performance data. Observability enables you to understand what is slow or broken and what needs to be done to improve performance.

Metrics 363

Metrics Open Source Monitoring Infrastructure 363

Smashing Magazine

APRIL 17, 2019

Optimizing Performance With Resource Hints. Optimizing Performance With Resource Hints. Modern web browsers use all sorts of techniques to help improve page load performance by guessing what the user may be likely to do next. Drew McLellan. 2019-04-17T12:30:16+02:00. 2019-04-29T18:34:58+00:00. They’re not directives.

Performance 106

Performance Games Servers Cache 106

All Things Distributed

JUNE 21, 2018

As I have talked about before, one of the reasons why we built Amazon DynamoDB was that Amazon was pushing the limits of what was a leading commercial database at the time and we were unable to sustain the availability, scalability, and performance needs that our growing Amazon.com business demanded. The opposite is true.

Database 167

Database AWS Games Latency 167

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.

Performance 145

Performance Cache Network Metrics 145

Dotcom-Montior

MARCH 6, 2022

They can also let the user easily see how good or bad the performance of their website is, showing you exactly what is slowing down your site. Element Performance : A user can reach the information of the performance of each element that exists in waterfall chart. In the image below, it is pointed at with the arrow.

Performance 52

Performance Cache Website Speed 52

CSS Wizardry

AUGUST 13, 2019

So, what are the performance implications of all of this? Although this response has a 0B filesize, we will always take the latency hit on every single page view (and this response is basically 100% latency). On mobile connections, this can amount to whole seconds of delays, all sat on the Critical Path.

Latency 203

Latency Cache Strategy Media 203

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.

Performance 104

Performance Cache Network Metrics 104

Alex Russell

OCTOBER 22, 2017

TL;DR: performance budgets are an essential but under-appreciated part of product success and team health. Nobody is trying to do a poor job, and yet the results of a “completed” PWA project often require weeks or months of painstaking rework to deliver minimally acceptable performance. Partner meetings are illuminating.

Performance 68

Performance Benchmarking Network Mobile 68