The Netflix TechBlog

SEPTEMBER 8, 2020

On the Android team, while most of our time is spent working on the app, we are also responsible for maintaining this backend that our app communicates with, and its orchestration code. In the snippet above, we’re accessing the detail key for the video object with id 80154610. It looks like a very typical backend service in the Node.js

Latency 233

Latency Cache Java Traffic 233

The Netflix TechBlog

FEBRUARY 25, 2021

By Cyril Concolato Introduction In previous blog posts, our colleagues at Netflix have explained how 4K video streams are optimized , how even legacy video streams are improved and more recently how new audio codecs can provide better aural experiences to our members. Figure 1?—?Simplified

Technology 181

Technology Technology Open Source Media 181

Testsigma

DECEMBER 28, 2020

Responsive design is an approach to design websites such that it responds well on all screen sizes, platforms, and orientations. This approach eliminates the need to design a new set of code for each new device. Screenshot and video recording of a full page. Track and record network logs for performance.

Design 88

Design Testing Website Testing Tools 88

The Netflix TechBlog

APRIL 26, 2022

We will share how its design has evolved over the years and the lessons learned while building it. To understand Axion’s design, we need to know the various components that interact with it. Figure 1: Netflix ML Architecture Fact: A fact is data about our members or videos. Time is a critical component of Axion?

Storage 187

Storage Design Scalability Latency 187

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. Open Connect Open Connect is Netflix’s content delivery network (CDN). video streaming) takes place in the Open Connect network. are you logged in?

Open Source 279

Open Source Network Infrastructure Big Data 279

Dynatrace

DECEMBER 9, 2021

PHP is widely used in web development by prominent social media companies, content management systems, and video teleconferencing brands. Many application security products were designed before the rise of DevSecOps, containers, Kubernetes, and multicloud environments and so can’t keep up with rapid changes in these environments.

Social Media 192

Social Media Open Source Media Cloud 192

CSS Wizardry

MAY 19, 2020

It’s widely accepted that self-hosted fonts are the fastest option: same origin means reduced network negotiation, predictable URLs mean we can preload , self-hosted means we can set our own cache-control. However, the execution of this header is bound by the response’s TTFB, which on high-latency networks can be very, very high.

Google 364

Google Media Latency Metrics 364

The Netflix TechBlog

MARCH 6, 2019

It’s used extensively in our media processing platform, which includes services like Archer and runs features like video encoding and title image generation on tens of thousands of Amazon EC2 instances. We are constantly innovating on video encoding technology at Netflix, and we have a lot of content to encode. We have one file?

Media 214

Media Storage Processing Cache 214

High Scalability

OCTOBER 5, 2018

Because the device in question is a high-speed unit designed to process a high volume of ballots for an entire county, hacking just one of these machines could enable anattacker to flip the Electoral College and determine the outcome of a presidential election?. Comments tell you about the state, not the code. So many more quotes.

Internet 156

Internet Internet Scalability Software Engineering 156

Dynatrace

OCTOBER 28, 2021

As software performance degrades or fails, the chaos engineers’ findings enable developers to add resiliency into the code, so the application remains intact in an emergency. In 2009, the purveyor of online videos migrated to AWS cloud infrastructure to deliver its entertainment to a growing audience. Blast radius.

Engineering 231

Engineering Entertainment Cloud Infrastructure 231

Smashing Magazine

JANUARY 11, 2021

Have we optimized enough with tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, progressive hydration, clients hints, HTTP/3, service workers and — oh my — edge workers? Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

OCTOBER 9, 2023

Video files? This article is the first of a brief two-part series where we will look specifically at the media you are most likely to use: images, video, and audio. That means we will have to use vanilla methods for videos and audio in Gatsby. Check the docs and install one — or more! How about working with SVG files?

Media 79

Media Network Processing Code 79

The Netflix TechBlog

JANUARY 11, 2022

To directly support great decision-making throughout the company, there are a number of data science teams at Netflix that partner directly with Product Managers, engineering teams, and other business units to design, execute, and learn from experiments. see the end of those relationships when members elect to cancel.

Innovation 243

Innovation Metrics Engineering Testing 243

Official Blog - World Web Technology

AUGUST 27, 2023

For example, website design is very crucial to impress your website visitors. Unlike other popular programming languages such as C or Pearl, PHP pages have HTML with embedded code with some start and end processing instructions that allow you to jump directly into and out of PHP mode.

Development 98

Development Ecommerce Open Source Website 98

Particular Software

MARCH 1, 2021

Of course, there are upfront and ongoing costs associated with any computer network. The servers themselves, cabling, network switches, racks, load balancers, firewalls, power equipment, air handling, security, rent/mortgage, not to mention experienced staff to keep it all running smoothly, all come with a cost.

Transportation 98

Transportation Network Cloud Design 98

Dynatrace

NOVEMBER 16, 2020

Purpose built for modern cloud and single-page applications, Session Replay overcomes the limitations of traditional network-based approaches and other point solutions, which are unable to provide integrated visibility into modern environments. The following video shows a session recorded with the Mask all preset enabled.

Ecommerce 191

Ecommerce Monitoring Website Tuning 191

Smashing Magazine

OCTOBER 2, 2023

Image Optimization Images are pieces of content in many contexts, and they are a very important and prominent part of the WaterBear app’s experience, from video posters and category banners to partner logos and campaign image assets. After scrolling the video category page, a bunch more images are loaded.

Cache 72

Cache Strategy Best Practices Design 72

The Netflix TechBlog

MAY 21, 2019

The device ecosystem is rich with partners ranging from Silicon-on-Chip (SoC) manufacturers, Original Design Manufacturer (ODM) and Original Equipment Manufacturer (OEM) vendors. Solving the above problems could help Netflix and our Partners save time and money during the entire lifecycle of device design, build, test, and certification.

Testing 163

Testing AWS Lambda Network 163

Smashing Magazine

APRIL 21, 2023

They were designed to provide a way to execute JavaScript code in the background, separate from the main execution thread of a web page, in order to improve performance and responsiveness. The main thread is the single execution context that is responsible for rendering the UI, executing JavaScript code, and handling user interactions.

Efficiency 107

Efficiency Code Strategy Network 107

Smashing Magazine

JUNE 8, 2021

Next to videos, images are the heaviest, most requested assets on the web. Using responsive images is a key part of delivering fully responsive web design. Optimizing Network Requests with Caching and Preloading. +. Downloading files such as images or videos over the network can be slow and costly. Get the eBook.

Media 106

Media Cache Google Best Practices 106

Smashing Magazine

APRIL 28, 2021

Next to videos, images are the heaviest, most requested assets on the web. Using responsive images is a key part of delivering fully responsive web design. Optimizing Network Requests with Caching and Preloading. +. Downloading files such as images or videos over the network can be slow and costly. Get the eBook.

Media 93

Media Cache Google Best Practices 93

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Without a strong alignment between dev/design and business/marketing teams, performance isn’t going to sustain long-term.

Performance 145

Performance Cache Network Metrics 145

CSS Wizardry

MARCH 28, 2022

To that end, waterfalls in all Chrome versions look identical, and networking/scheduling behaviour remains unchanged. I can only guess that this is simply because the preload scanner is built to scan HTML and not SVG, and that this is by design rather than an oversight. Design modals and cookie banners etc.

Virtualization 330

Virtualization Google Metrics Testing 330

Smashing Magazine

NOVEMBER 22, 2021

It’s one thing to identify bottlenecks and implement optimizations for a specific website or a few similar websites, and quite another when dealing with many millions of websites, having such a wide variety of functionality, and an almost total freedom of design. Instead, we have to accommodate all of this variability, mostly on-demand.

Website 126

Website Performance Google Media 126

O'Reilly

NOVEMBER 28, 2023

Such policies would be designed to mitigate legal problems and require regulatory compliance. The higher percentage of users that are experimenting may reflect OpenAI’s addition of Advanced Data Analysis (formerly Code Interpreter) to ChatGPT’s repertoire of beta features. This isn’t as significant an issue; it was cited by 6.3%

Open Source 106

Open Source Artificial Intelligence Google Infrastructure 106

Smashing Magazine

JANUARY 21, 2021

And suddenly, before you know it, the code base gets a little bit overweight and fragmented , third-party scripts have to load just a little bit earlier, and shiny new dynamic content finds its way into the DOM through the backdoors of fourth-party scripts and their uninvited guests. Image source: Lighthouse Metrics ) ( Large preview ).

Performance 145

Performance Cache Mobile Network 145

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Without a strong alignment between dev/design and business/marketing teams, performance isn’t going to sustain long-term.

Performance 104

Performance Cache Network Metrics 104

Smashing Magazine

JULY 12, 2021

However, this simplicity leaves the door open for many potential issues and technical debt — bloated code, specificity hell, duplicated code blocks with very little to no difference, leftover unused selectors, unnecessary hacks, and workarounds, to name a few. Leftover, unused chunks of code from deleted features.

Best Practices 145

Best Practices Website Architecture Media 145

Smashing Magazine

AUGUST 3, 2021

Lots can go wrong: a network request fails, a third-party library breaks, a JavaScript feature is unsupported (assuming JavaScript is even available), a CDN goes down, a user behaves unexpectedly (they double-click a submit button), the list goes on. On design systems, CSS/JS and UX. How To Build Resilient JavaScript UIs. Callum Hart.

Network 145

Network Engineering Monitoring Availability 145

Smashing Magazine

AUGUST 19, 2021

Ethics are an important part of human-computer interaction because they keep people at the heart of the design process. It all starts with a Code of Ethics. “I Outcomes of a code of ethics affect almost every aspect of your user research practice, from processes to templates and team environment. Devin Harold. Large preview ).

Code 137

Code Design Education Government 137

Smashing Magazine

MAY 20, 2021

When evaluating whether it’s better for us to create our own platform, or to use a third-party service, there are some things that we should consider: Designing and creating authentication services is not our core skill. Let’s go back to our previous video platform example, and create a small app to show how to use Auth0 Next.js

Serverless 113

Serverless Servers Programming Database 113

The Netflix TechBlog

JULY 1, 2019

The goal of this experience from a UX design perspective was to bring together a tightly-related set of original titles that, though distinct entities on their own, also share a connected universe. We hypothesized this design would net a far greater visual impact than if the titles were distributed individually throughout the page.

Cache 166

Cache Design Testing Development 166

Dynatrace

FEBRUARY 9, 2021

Traditional network-based approaches and other point solutions are unable to provide integrated visibility into modern cloud application environments. Data privacy by design allows Session Replay to automatically mask each mobile user’s personally identifiable information (PII) data.

Analytics 211

Analytics Mobile Performance Monitoring 211

Official Blog - World Web Technology

NOVEMBER 27, 2023

You may have to put off learning web development and design. You can make a great website without coding or advanced web design skills. Anyone can use a good website builder, even if they don’t know web design. It depends on the best practices of web design. The news is positive.

Website 59

Website Development Mobile Storage 59

The Morning Paper

MARCH 1, 2020

This approach puts some limitations on packing efficiency, and also necessitates a container trade-off between security and code compatibility based on the types of syscalls containers are allowed to make. Approaches such as unikernels can help with this, but once again the AWS requirement to be able to run unmodified code rules these out.

Serverless 101

Serverless Virtualization Lambda AWS 101

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. An often used metaphor is that of a pipe used to transport water. Congestion Control.

Performance 106

Performance Network Latency Servers 106

Alex Russell

APRIL 29, 2021

After 20 years of neck-in-neck competition, often starting from common code lineages, there just isn't that much left to wring out of the system. Next-generation video codecs, supported in many modern chips, but also a licensing minefield. Necessary for building competitive video experiences, including messaging and videoconferencing.

Media 145

Media Games Education Engineering 145