The Netflix TechBlog

MARCH 2, 2021

Our quasi-experimentation helps us constantly improve our streaming experience, giving our members fewer buffers and ever better video quality. We worked in different industries before joining Netflix, including tech, entertainment, retail, science policy, and research. Learning through data is in Netflix’s DNA.

Analytics 207

Analytics C++ Innovation Engineering 207

Speed Curve

MAY 31, 2020

One of the huge benefits of tracking web performance over time is the ability to see trends and compare metrics. Understand which metrics got better or worse. In this demo account, we track a number of leading retail, travel, and media sites. Hovering over any metric in the waterfall chart shows you the metric for both tests.

Metrics 62

Metrics Retail Benchmarking Testing 62

Dean Hume

SEPTEMBER 21, 2016

Whilst web page load time is an important metric to measure, it doesn't tell the whole picture. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The excitement of seeing a web page load in an instant kept me coming back for more.

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

Whilst web page load time is an important metric to measure, it doesn't tell the whole picture. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The excitement of seeing a web page load in an instant kept me coming back for more.

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

Whilst web page load time is an important metric to measure, it doesn't tell the whole picture. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The excitement of seeing a web page load in an instant kept me coming back for more.

Speed 40

Speed Analytics Google Retail 40

Speed Curve

SEPTEMBER 20, 2022

Largest Contentful Paint (LCP) measures when the largest visual element (image or video) finishes rendering. Element Timings can be collected in both Synthetic and RUM by configuring them in the Custom Metrics section of your settings: Adding a custom metric in SpeedCurve. video element's poster image. text nodes.

Metrics 141

Metrics Retail Mobile Analytics 141

Rigor

SEPTEMBER 11, 2019

Follow him on Twitter @ RickByers and be sure to watch the video of his conversation at Chrome Dev Summit 2016 , where he discussed the ways Chrome is “improving predictability for developers.” Check out his how-to videos on his YouTube channel as well as his performance related dispatches on Twitter @ paulcalvano.

Performance 89

Performance Education Google Website 89

Speed Curve

FEBRUARY 10, 2020

Here are some common questions I’m asked when I talk with people about performance: Which metrics should I care about? Page Speed Benchmarks is an interactive dashboard that lets you explore and compare web performance data for leading websites across several industries – from retail to media. How fast should I be?

Benchmarking 135

Benchmarking Speed Performance Media 135

Dynatrace

JANUARY 13, 2022

Real user monitoring collects data on a variety of metrics. For example, data collected on load actions can include navigation start, request start, and speed index metrics. Real user monitoring works by injecting code into an application to capture metrics while the application is in use. How real user monitoring works.

Monitoring 182

Monitoring Latency Mobile Best Practices 182

Speed Curve

JULY 3, 2023

And if that already wasn’t enough, the number of images on a page has been linked to lower conversion rates on retail sites. Video – For the first time in the many years that I've been covering the topic of page growth, I'm going to focus on the volume of video that pages contain. More on that later.) That's huge.

Mobile 52

Mobile Google Metrics Retail 52

Speed Curve

DECEMBER 20, 2021

We've been tracking these as individual metrics – Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift – since before Google branded them as a set. Watch a video walkthrough of the Vitals dashboard.). Watch a video walkthrough of the Vitals dashboard.). Web Performance for Retailers.

Retail 52

Retail Benchmarking Metrics Website 52

Speed Curve

MAY 1, 2023

A performance budget is a threshold that you apply to the metrics you care about the most. A good performance budget chart, such as the one above, should show you: The metric you're tracking The threshold you've created for that metric When you exceed that threshold How long you stayed out of bounds When you returned to below the threshold 3.

Performance 98

Performance Metrics Media Google 98

Rigor

NOVEMBER 1, 2018

Visual Metrics Alone Paint Only Half The Picture. Existing metrics like DOM Content Loaded and Onload Time are giving way to user-centric metrics such as visual timings and user timings. Interactivity metrics can provide insight and uncover blind spots not yet realized and are a valuable addition to your metrics arsenal.

Metrics 40

Metrics Social Media Website Retail 40

Rigor

NOVEMBER 1, 2018

Visual Metrics Alone Paint Only Half The Picture. Existing metrics like DOM Content Loaded and Onload Time are giving way to user-centric metrics such as visual timings and user timings. Interactivity metrics can provide insight and uncover blind spots not yet realized and are a valuable addition to your metrics arsenal.

Metrics 40

Metrics Social Media Website Retail 40

Speed Curve

MARCH 7, 2022

How does page bloat affect other metrics, such as Google's Core Web Vitals? And if that already wasn’t enough, the number of images on a page has been linked to lower conversion rates on retail sites. I intentionally left out the numbers for video, because they seemed inconsistent. How does page bloat hurt your business?

Mobile 145

Mobile Benchmarking Google Metrics 145

O'Reilly

FEBRUARY 20, 2024

Many other kinds of business partners will be affected by the use of AI: suppliers, wholesalers, retailers, contractors of many types. We don’t have the right metrics; stock price, either short- or long-term, isn’t right. But any models and applications built in the future will lack that excuse.

Education 72

Education Healthcare Media Systems 72