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. 1) depicts the migration of traffic from fixed bitrates to DO encodes. Choudhury, L.

Open Source 252

Open Source Software Engineering Internet Internet 252

Dynatrace

DECEMBER 16, 2021

If that service is slow, failing, or not available at all it results in frustration mentioned in some of the comments on social media and the app store. In the workshop, I also answered the question: How can we measure those metrics (=SLIs) that are behind our objectives? In Dynatrace that’s easy: App Adoption Rate. App Rating.

DevOps 204

DevOps Social Media Mobile Metrics 204

Smashing Magazine

DECEMBER 19, 2021

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. Digging A Little Deeper Into The Metrics.

Google 143

Google Traffic Mobile Website 143

Speed Curve

MARCH 5, 2023

"I made my pages faster, but my business and user engagement metrics didn't change. The performance poverty line is the plateau at which changes to your website’s rendering metrics (such as Start Render and Largest Contentful Paint) cease to matter because you’ve bottomed out in terms of business and user engagement metrics.

Performance 118

Performance C++ Metrics Ecommerce 118

The Netflix TechBlog

JANUARY 11, 2022

Our growth team advertises on social media platforms and other websites to share news about upcoming titles and new product features, with the ultimate goal of growing the number of Netflix members worldwide. We’ve run many tests in this area and use the distribution of metric movements from past tests as an additional input to the analysis.

Innovation 243

Innovation Metrics Engineering Testing 243

The Netflix TechBlog

APRIL 29, 2019

Demand Engineering Demand Engineering is responsible for Regional Failovers , Traffic Distribution, Capacity Operations and Fleet Efficiency of the Netflix cloud. One example is the Spectator Python client library, a library for instrumenting code to record dimensional time series metrics.

Open Source 279

Open Source Network Infrastructure Big Data 279

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

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. However, there are quite a few high-profile case studies exploring the impact of mobile optimization on key business metrics.

Mobile 135

Mobile Testing Website Benchmarking 135

Speed Curve

DECEMBER 21, 2022

You can see at a glance: Key metrics like Core Web Vitals and your User Happiness score. Here you can still find time series charts that show how performance is trending over time across a number of key metrics, including Core Web Vitals. Evaluate CDN performance by exploring the impact of time-of-day traffic patterns.

Benchmarking 52

Benchmarking Retail Traffic Metrics 52

Scalegrid

AUGUST 30, 2019

Queues: Any application that deals with traffic congestion, messaging, data gathering, job management, or packer routing should consider a Redis Queue , as this can help you manage your queue size by rate of arrival and departure for resource distribution. Who uses Redis? 8,759 developers stated using Redis on StackShare.

Cache 232

Cache Ecommerce Social Media Database 232

IO River

NOVEMBER 2, 2023

determining a business's value to its clients, the level of service it provides is often a key metric. Negative experiences can swiftly spread through social media and other platforms, worsening the impact on the brand's image. The stakes are even higher during high-traffic periods such as Black Friday or Cyber Monday.

Availability 52

Availability Social Media Traffic Games 52

IO River

NOVEMBER 2, 2023

determining a business's value to its clients, the level of service it provides is often a key metric. Negative experiences can swiftly spread through social media and other platforms, worsening the impact on the brand's image. The stakes are even higher during high-traffic periods such as Black Friday or Cyber Monday.

Availability 52

Availability Social Media Traffic Games 52

Dynatrace

DECEMBER 9, 2020

Which metrics are relevant for your business, anyway? Modern observability tools provide many metrics, but which ones are really important for your business? Dynatrace offers more than 2000 different metrics that are ready for use as dedicated SLIs. Read more about the basics of Site Reliability Engineering below.).

Metrics 151

Metrics Engineering Google Monitoring 151

The Netflix TechBlog

JULY 30, 2019

The Netflix Media Database (NMDB) is one such example. Below is a snapshot of our Kibana dashboard which shows the workflow execution metrics over a typical 7-day period. Developer Labs, Logging and Metrics We have been continually improving logging and metrics, and revamped the documentation to reflect the latest state of Conductor.

Lambda 189

Lambda Media Open Source Metrics 189

Jos

JUNE 2, 2018

One could argue this is a metric-driven decision. When they dug into the data, they found that the reason load times had increased was that they got a lot more traffic from Africa after doing the optimizations. Lots of case studies where changes in performance led to key metric improvement. Well, not so fast.

Performance 237

Performance Speed Google Media 237

Speed Curve

DECEMBER 11, 2019

This helps us do things like: correlate various performance metrics with user behavior, understand the user journey and popular pages so you can better model your synthetic testing, and. A lot of performance users really love that they can track business metrics specific to a session alongside their performance data.

Retail 59

Retail Traffic Media Metrics 59

Speed Curve

MARCH 5, 2023

"I made my pages faster, but my business and user engagement metrics didn't change. The performance plateau is the point at which changes to your website’s rendering metrics (such as Start Render and Largest Contentful Paint) cease to matter because you’ve bottomed out in terms of business and user engagement metrics.

Performance 52

Performance C++ Metrics Ecommerce 52

Smashing Magazine

JUNE 8, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Delivering Light Media Experiences with Data Saver. +.

Media 107

Media Cache Google Best Practices 107

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. Script (async), Media and images, SVG document. CSS mismatch, Prefetch. Without priority hints. Large preview ).

Media 70

Media Tuning Metrics Google 70

Smashing Magazine

JANUARY 11, 2021

LogRocket tracks key metrics, incl. Getting Ready: Planning And Metrics Performance culture, Core Web Vitals, performance profiles, CrUX, Lighthouse, FID, TTI, CLS, devices. Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Table Of Contents.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

MARCH 7, 2022

The upcoming prefers-reduced-data media query, which allows CSS to set different options depending on this setting. However, the above table is not actually representative of total traffic, and that’s another point to note about this data. The CSS media query version of Save Data mentioned above. Other User Preference Signals.

Website 104

Website Media Mobile Network 104

Smashing Magazine

APRIL 28, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Delivering Light Media Experiences with Data Saver. +.

Media 93

Media Cache Google Best Practices 93

The Netflix TechBlog

JULY 26, 2021

Data Quality Data Mesh provides metrics and dashboards at both the processor and pipeline level for operational observability. It is generating heartbeat signals at a constant frequency with the objective of using them as a baseline to verify the health of the pipeline regardless of traffic patterns or occasional silences.

Big Data 253

Big Data Government Analytics Processing 253

Jos

JUNE 2, 2018

One could argue this is a metric-driven decision. When they dug into the data, they found that the reason load times had increased was that they got a lot more traffic from Africa after doing the optimizations. Again, it’s easy to fake performance optimization by leaving out the bad metrics, blocking users who spoil the stats.

Performance 130

Performance Speed Google Media 130

Alex Russell

MARCH 31, 2022

That is unlikely given the need for SRI annotations or the unbecoming practice of speeding up high-traffic sites, but not others. One challenge for fair inclusion is the tension between site-count-weighting and traffic-weighting. A script on a massive site can account for more traffic than many thousands of long-tail sites.

Cache 82

Cache Government Traffic Network 82

Smashing Magazine

DECEMBER 17, 2020

Following best practice usually means a better website, more organic traffic, and happier visitors. Prioritizing Metrics Online metrics are almost limitless. Assets Optimization Whatever media assets you have on-site, for goodness sake optimize them. Communicate the value of SEO, and don’t do it by lecturing.

Engineering 131

Engineering Google Website Analytics 131

Smashing Magazine

JUNE 1, 2022

They can also highlight very long redirection chains in your third-party traffic. Graph of resource request chains on a typical news media website. Large preview ). Ad Blockers Makes Sites Faster. Poor performance of third-party services can have other business impacts even if your website does not use advertising.

Website 132

Website Design Network Best Practices 132

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

Alex Russell

JULY 14, 2021

Meanwhile, on Android, the #2 and #3 sources of web traffic do not respect browser choice. This reduces friction and commensurately increases "engagement" metrics. [6]. On Android today and early iOS versions, WebViews allow embedders to observe and modify all network traffic (regardless of encryption). How can that be?

Google 121

Google Mobile Engineering Internet 121

Smashing Magazine

MARCH 19, 2021

But we can’t really say just yet whether it had any impact on the business metrics — well, we’ll need to wait for a big book release to see that. We couldn’t fix the AVIF issue quickly due to the way media management is running currently, but then Barry Pollard suggested to test if using base64-encoding for images would help.

Mobile 141

Mobile Design Cache Code 141

Smashing Magazine

JANUARY 6, 2020

Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. 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. Table Of Contents. Quick Wins.

Performance 145

Performance Cache Network Metrics 145

Rigor

SEPTEMBER 3, 2019

It’s about ensuring that your front-end is also working perfectly, that your site can deliver a delightful experience to your users or customers, and that it is functional – even when it’s experiencing up to seven or more times the typical traffic load. Traffic patterns outside of normal [RUM or Analytics].

Website 74

Website Cache Traffic Ecommerce 74

Smashing Magazine

JANUARY 7, 2019

Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. 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. Table Of Contents. Setting Realistic Goals. Defining The Environment.

Performance 104

Performance Cache Metrics Network 104

Alex Russell

OCTOBER 22, 2017

This helps support executive sponsors who then have meaningful metrics to point to in justifying the investments being made. Very rarely have we seen a team succeed that doesn’t set budgets, gather RUM metrics, and carry representative customer devices. Teams with budgets also find it easier to track and graph progress.

Performance 68

Performance Benchmarking Network Mobile 68

Smashing Magazine

AUGUST 30, 2021

Also, the management will be dissatisfied with the decreased traffic and revenue caused by the unoptimized codebase, despite the code quality improvements. Optimizing Media Queries. For improved maintainability, modularity, and code structure, we usually write the same media query expressions for multiple CSS components.

Media 110

Media Performance Cache Strategy 110

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 in the UK and $1.26 in the USA.

Cache 97

Cache Google Mobile Network 97

All Things Distributed

NOVEMBER 15, 2016

To scale to a larger number of users and support the growth in data volume spurred by social media, web, mobile, IoT, ad-tech, and ecommerce workloads, these tools require customers to invest in even more infrastructure to maintain performance.

Analytics 152

Analytics Availability Media Social Media 152