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 Metrics Network 104

Speed Curve

NOVEMBER 3, 2019

As a veteran in the performance industry, I’ve spent a large part of my career helping to build performance culture. Traditionally, we’ve spent a lot of time focusing on entitled groups as it relates to performance – fast connection speeds, devices with high-end CPUs, low-latency geographies.

Education 47

Education Latency Strategy Speed 47

The Netflix TechBlog

JANUARY 24, 2022

To that end, it’s important that we prevent significant performance regressions from reaching the production app. Any performance regression that makes it into a product release will degrade user experience, so the challenge is to detect and fix such regressions before they ship. What do we mean by Performance?

Performance 199

Performance Metrics Performance Testing Testing 199

Testsigma

JANUARY 30, 2021

With the rapidly increasing use of smartphones and ease of access to the internet across the globe, testing has spread across vast platforms. The native and mobile web browser testing is being performed more and more compared to desktop testing. Prioritize browser testing based on usage, market demand, highest traffic.

Mobile 52

Mobile Testing Website Internet 52

Rigor

OCTOBER 30, 2019

Reading time 11 min As companies become more aware of the importance of web performance, internal teams begin to research tools they can use to use to track their metrics and improve the user experience of their websites and applications. Where Google Lighthouse Shines Bright. Google Lighthouse has a lot going for it.

Google 51

Google Best Practices Energy Website 51

The Netflix TechBlog

NOVEMBER 3, 2022

In that scenario, the system would need to deal with the data propagation latency directly, for example, by use of timeouts or client-originated update tracking mechanisms. We started seeing increased response latencies and leader servers running at dangerously high utilization.

Cache 224

Cache Latency Traffic Systems 224

The Netflix TechBlog

APRIL 26, 2022

Then we started hitting roadblocks while optimizing the query performance. Since we were optimizing at the logging level for storage and performance, we had less data and metadata to play with to optimize the query performance. Eventually, we decided to simplify the logger. However, Spark query execution remained slow.

Storage 187

Storage Design Scalability Latency 187

SQL Server According to Bob

JANUARY 11, 2020

This will help you increase system performance and avoid I/O environment errors. Atomicity A transaction must be an atomic unit of work; either all of its data modifications are performed or none of them are performed. Important Always consult with your hardware manufacturer for proper stable media strategies.

Servers 40

Servers Cache Media Hardware 40

Smashing Magazine

SEPTEMBER 6, 2021

If after the previous two parts — HTTP/3 history and core concepts and HTTP/3 performance features — you’re convinced that starting to use the new protocols is a good idea (and you should be!), HTTP/3 performance features. In our own early tests , I found seriously diminishing returns at about 40 files.

Network 107

Network Servers Cache Traffic 107

The Netflix TechBlog

MARCH 6, 2019

during a typical week at Netflix, MezzFS performs ~100 million mounts for dozens of different use cases and streams about ~25 petabytes of data. We use this to debug errors and performance issues in specific mounts. More on this below… Adaptive buffering ?—?More How much faster is this?

Media 214

Media Storage Processing Cache 214