The Netflix TechBlog

SEPTEMBER 8, 2020

As an example, to render the screen shown here, the app sends a query that looks like this: paths: ["videos", 80154610, "detail"] A path starts from a root object , and is followed by a sequence of keys that we want to retrieve the data for. Instead, it is part of a different path : [videos, <id>, similars].

Latency 233

Latency Cache Java Traffic 233

Dynatrace

DECEMBER 27, 2022

By implementing service-level objectives, teams can avoid collecting and checking a huge amount of metrics for each service. First, it helps to understand that applications and all the services and infrastructure that support them generate telemetry data based on traffic from real users. So how can teams start implementing SLOs?

Software 266

Software Software Benchmarking Latency 266

The Netflix TechBlog

OCTOBER 7, 2021

An example of this is Netflix’s video player or the TV UI javascript package. In contrast, a server application runs on servers which are typically identical and a routing abstraction can serve sampled traffic to new versions. Client Applications We deal with two classes of client application updates.

Metrics 197

Metrics Mobile Testing Strategy 197

Speed Curve

JULY 26, 2022

Fixing high-traffic but poorly performing areas of your site will improve your overall metrics – and create a faster, better experience for more of your users. You can then prioritize and focus on these areas to improve important metrics like Largest Contentful Paint. Change summary metrics on your charts.

Testing 52

Testing Performance Metrics Traffic 52

Speed Curve

NOVEMBER 7, 2021

The metrics that comprise Web Vitals are still evolving. These metrics will (I think) always be in a state of evolution. We need to do our best to stay up to date – not just with which metrics to track, but also with what they measure and why they're important. Which performance metrics should you focus on for SEO?

Performance 96

Performance Google Metrics Mobile 96

Speed Curve

DECEMBER 21, 2022

Jumped into in-person events, and were so happy to catch up with some of you at SmashingConf and performance.now() (You can watch videos of my talk about performance budgets and Andy Davies' talk about third parties.). You can see at a glance: Key metrics like Core Web Vitals and your User Happiness score. Home dashboard.

Benchmarking 52

Benchmarking Retail Traffic Metrics 52

CSS Wizardry

MARCH 28, 2022

This genuinely surprises me, because LCP is the simplest metric to improve. The metrics above don’t matter in and of themselves, but it’s going to help your LCP if you can get them as low as possible. Plan in suitable buffer time for traffic issues, etc. of origins had good LCP 94.9% of origins had good FID 70.6% First Paint.

Virtualization 330

Virtualization Google Metrics Testing 330

The Netflix TechBlog

JUNE 14, 2023

We could also swap out the implementation of a field from GraphQL Shim to Video API with federation directives. So, we relied on higher-level metrics-based testing: AB Testing and Sticky Canaries. To determine customer impact, we could compare various metrics such as error rates, latencies, and time to render.

Traffic 353

Traffic Latency Cache Metrics 353

Speed Curve

OCTOBER 25, 2023

The best way to fight regressions is to create performance budgets on key metrics, and get alerted when they go out of bounds. These charts let even the most non-technical stakeholder easily see the correlation between performance and user engagement and business metrics, such as bounce rate and conversion rate.

Benchmarking 62

Benchmarking Metrics Website Monitoring 62

The Netflix TechBlog

NOVEMBER 2, 2021

Moorthy and Zhi Li Introduction Measuring video quality at scale is an essential component of the Netflix streaming pipeline. Perceptual quality measurements are used to drive video encoding optimizations , perform video codec comparisons , carry out A/B testing and optimize streaming QoE decisions to mention a few.

Media 171

Media Innovation Metrics Latency 171

The Netflix TechBlog

OCTOBER 18, 2019

The key insight was that by assuming a latent Gaussian Process (GP) prior on the key business metric actions like viral engagement, job applications, etc., And finally each new observation needs to update the policy, compute offline policy evaluation metrics and then push the policy back to production so it can generate new intents to treat.

Infrastructure 126

Infrastructure Metrics Architecture Efficiency 126

Speed Curve

SEPTEMBER 20, 2021

Get a tour of the dashboards in this short video: Understand what changed? In this video, we explore the mystery of what's behind a site's segment of fast bounces. Answering this question can be difficult and time consuming when you are dealing with a vast amount of RUM data. Investigate anomalies. Weird stuff happens. Let us know!

Traffic 52

Traffic Monitoring Metrics Performance 52

The Netflix TechBlog

OCTOBER 19, 2020

Investigating a video streaming failure consists of inspecting all aspects of a member account. We took a hybrid head-based sampling approach that allows for recording 100% of traces for a specific and configurable set of requests, while continuing to randomly sample traffic per the policy set at ingestion point.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Dotcom-Montior

AUGUST 5, 2020

As an ad publisher, your revenue depends on two main factors: traffic to your site and ad optimization. A lot of the focus goes into the practice and processes of driving traffic to your site from an SEO perspective, but what if when visitors get to your site, they have a less than ideal experience?

Website 92

Website Speed Cache Traffic 92

The Netflix TechBlog

OCTOBER 18, 2019

The key insight was that by assuming a latent Gaussian Process (GP) prior on the key business metric actions like viral engagement, job applications, etc., And finally each new observation needs to update the policy, compute offline policy evaluation metrics and then push the policy back to production so it can generate new intents to treat.

Infrastructure 100

Infrastructure Metrics Architecture Efficiency 100

Dynatrace

JUNE 1, 2023

Certain SLOs can help organizations get started on measuring and delivering metrics that matter. With this objective, the app ensures that users experience real-time feedback and immediate updates when logging workouts, recording sets and reps, or tracking performance metrics. for the workout video playback feature.

Latency 179

Latency Website Traffic Virtualization 179

Dynatrace

JUNE 1, 2023

Certain service-level objective examples can help organizations get started on measuring and delivering metrics that matter. With this objective, the app ensures that users experience real-time feedback and immediate updates when logging workouts, recording sets and reps, or tracking performance metrics. The Apdex score of 0.85

Traffic 173

Traffic Latency Website Virtualization 173

Adrian Cockcroft

JANUARY 29, 2023

There is no way to model how much more traffic you can send to that system before it exceeds it’s SLA. I presented this analysis of response time distributions talk in 2016 — at Microxchg in Berlin ( video ). For high traffic systems, processing the individual response times for each request may be too much work.

Lambda 98

Lambda Latency Cache C++ 98

Smashing Magazine

DECEMBER 17, 2020

Following best practice usually means a better website, more organic traffic, and happier visitors. It is a huge industry, with its own publications, thought leaders, podcasts, video series, and more. Prioritizing Metrics Online metrics are almost limitless. Communicate the value of SEO, and don’t do it by lecturing.

Engineering 130

Engineering Google Website Analytics 130

Smashing Magazine

APRIL 11, 2022

Loading experience is crucial to the user’s first impression and overall usability, so Google defined Largest Contentful Paint (LCP) metric to measure how quickly the main content loads and is displayed to the user. This element could be an image, video, or simply, just a large block of text. Large preview ). Without priority hints.

Media 69

Media Tuning Metrics Google 69

The Netflix TechBlog

SEPTEMBER 2, 2020

Edgar captures 100% of interesting traces , as opposed to sampling a small fixed percentage of traffic. Tracing as a foundation Logs, metrics, and traces are the three pillars of observability. Many approaches to distributed tracing involve setting a sample rate, such as 5%, and then only tracing that percentage of request traffic.

Latency 296

Latency Transportation Engineering Traffic 296

Dynatrace

JUNE 28, 2022

Organizations can now accelerate innovation and reduce the risk of failed software releases by incorporating on-demand synthetic monitoring as a metrics provider for automatic, continuous release-validation processes. This metric indicates how quickly software can be released to production. Dynatrace news.

Monitoring 203

Monitoring Software Software DevOps 203

Dynatrace

NOVEMBER 1, 2022

Subsequently, in the second blog post we review how mobile app owners can assess the overall performance and success of a mobile app by looking at business metrics derived from user session telemetry data. Now, you can learn how Dynatrace advances mobile DevOps in this video: Mobile DevOps crash and error analysis.

Mobile 130

Mobile DevOps Monitoring Traffic 130

VoltDB

JUNE 9, 2017

Watch the Video of our Telco Expert. downgrading the streaming rate on video). These systems drive deep insights into network engineering and planning, capacity management, customer retention, and other key metrics. There is a class of real-time data that has not been used to benefit telco insights.

Analytics 40

Analytics Strategy Network Games 40

The Netflix TechBlog

APRIL 29, 2019

We use Python through the full content lifecycle, from deciding which content to fund all the way to operating the CDN that serves the final video to 148 million members. video streaming) takes place in the Open Connect network. We use and contribute to many open-source Python packages, some of which are mentioned below.

Open Source 279

Open Source Network Infrastructure Big Data 279

Smashing Magazine

MARCH 2, 2021

These days, with mobile traffic accounting for over 50% of web traffic , it’s fair to assume that the very first encounter of your prospect customers with your brand will happen on a mobile device. Also, there was a 65% increase in video consumption on mobile devices in 2020. Driving Business Metrics. Large preview ).

Mobile 133

Mobile Testing Website Benchmarking 133

Smashing Magazine

AUGUST 3, 2023

It increases our visibility and enables us to draw a steady stream of organic (or “free”) traffic to our site. While paid marketing strategies like Google Ads play a part in our approach as well, enhancing our organic traffic remains a major priority. The higher our organic traffic, the more profitable we become as a company.

Performance 74

Performance Cache Traffic Metrics 74

VoltDB

JUNE 9, 2017

downgrading the streaming rate on video). These systems drive deep insights into network engineering and planning, capacity management, customer retention, and other key metrics. For passive services like email, this wouldn’t be as necessary. Will a subscriber really know that an email that arrives five seconds late is “late”?

Analytics 40

Analytics Strategy Network Games 40

Dynatrace

FEBRUARY 10, 2021

Think curbside delivery for groceries, video conferencing for work and school, and telemedicine for doctor visits. This capability provides version information along with an additional insight into traffic and problems per version.

Cloud 169

Cloud DevOps Speed Azure 169

The Netflix TechBlog

NOVEMBER 12, 2019

Page Simulation for Better Offline Metrics at Netflix by David Gevorkyan , Mehmet Yilmaz , Ajinkya More , Gaurav Agrawal , Richard Wellington , Vivek Kaushal , Prasanna Padmanabhan , Justin Basilico At Netflix, we spend a lot of effort to make it easy for our members to find content they will love.

Metrics 124

Metrics Government Systems Testing 124

The Netflix TechBlog

NOVEMBER 12, 2019

Page Simulation for Better Offline Metrics at Netflix by David Gevorkyan , Mehmet Yilmaz , Ajinkya More , Gaurav Agrawal , Richard Wellington , Vivek Kaushal , Prasanna Padmanabhan , Justin Basilico At Netflix, we spend a lot of effort to make it easy for our members to find content they will love.

Metrics 100

Metrics Government Systems Testing 100

The Netflix TechBlog

NOVEMBER 12, 2019

Page Simulation for Better Offline Metrics at Netflix by David Gevorkyan , Mehmet Yilmaz , Ajinkya More , Gaurav Agrawal , Richard Wellington , Vivek Kaushal , Prasanna Padmanabhan , Justin Basilico At Netflix, we spend a lot of effort to make it easy for our members to find content they will love.

Metrics 100

Metrics Government Systems Testing 100

Smashing Magazine

NOVEMBER 5, 2021

You might have your testing split so that participants only encounter the A or the B version of the concept, or you might have them view both and leave feedback comparing the two, as well as including metrics answering the questions in the bullets above. Other potential methods. What Can You Do With The Data You Get From Concept Testing?

Design 98

Design Testing Education Processing 98

Dotcom-Montior

MAY 12, 2020

Modern web applications and pages, such as single-page applications, that put the user experience at its utmost priority are expected to be available 24/7, anywhere in the world, usable on any screen size, secure, flexible, scalable and be ready to meet traffic spikes on demand. Connection time. Network equipment like cable or router.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

The Morning Paper

JULY 4, 2019

Moreover, just like an A/B test, we’ll be collecting metrics while the experiment is underway and performing statistical analysis at the end to interpret the results. In all cases we need to be able to carefully monitor the impact on the system, and back out if things start going badly wrong. Defining and running experiments.

Latency 77

Latency Engineering Metrics Traffic 77

Speed Curve

JANUARY 31, 2018

search traffic. Over the years, I've learned that performance can be mapped to all of these metrics – and almost any other business metric you can think of. To hook different people on performance, you need to understand which metric motivates them. conversions. time on site. page views. user satisfaction.

Performance 40

Performance Metrics Traffic Monitoring 40

Smashing Magazine

JULY 29, 2019

This metric is a little difficult to comprehend, so here’s an example: if the average cost of broadband packages in a country is $22, and the average download speed offered by the packages is 10 Mbps, then the cost ‘per megabit per month’ would be $2.20. For reference, the metric is $1.19 The video is clipped off-screen.

Cache 96

Cache Google Mobile Network 96