Jos

JUNE 17, 2017

Image taken from the Chrome 60 blog post , which first appeared in “Web Performance: Leveraging the Metrics that Most Affect User Experience” at Google I/O 2017 Up until now we have been measuring performance through other metrics, mostly using the Navigation Timing API , which is also what Google Analytics uses for their Site Speed report.

Google 100

Google Analytics Metrics Speed 100

Speed Curve

OCTOBER 25, 2023

I joined the team in early 2017, and I'm blown away at how quickly the years have flown by. Fighting regressions should be the top priority of anyone who cares about the speed of their site. The best way to fight regressions is to create performance budgets on key metrics, and get alerted when they go out of bounds.

Benchmarking 62

Benchmarking Metrics Website Monitoring 62

The Netflix TechBlog

MAY 1, 2019

the brilliant synth-pop score or the perfectly mixed soundscape of a high speed chase?—?is In late 2017, we received some critical feedback from the brothers on the Stranger Things 2 audio mix: in some scenes, there was a reduced sense of where sounds are located in the 5.1-channel Imagine this scene without the sound.

Engineering 274

Engineering Network Media Entertainment 274

Testsigma

JANUARY 29, 2021

That’s not all, the global mobile traffic is expected to increase sevenfold between 2017 and 2022. Globally, consumers are preferring their mobile phones for performing activities (e.g. In this blog, we deep dive into the various aspects of mobile website testing, including the tools that can accelerate the testing process.

Website 98

Website Mobile Testing Strategy 98

Alex Russell

JUNE 19, 2020

Moving this site to Eleventy and Netlify has been a great way to improve the performance of the deployed end-product, which was reason enough to make the switch. There's work in progress to make incremental builds possible for 11ty, but until then, the speed of a full build is the speed at which changes are visible.

Cache 49

Cache Hardware Speed Cloud 49

Brendan Gregg

JULY 14, 2019

BPF (eBPF) tracing is a superpower that can analyze everything, and I'll show you how in my upcoming book BPF Performance Tools: Linux System and Application Observability , coming soon from Addison Wesley. I learned firsthand how to bring beginners from different backgrounds up to speed. BPF is in the Linux kernel. ## Why Your Book?

Systems 40

Systems Performance Education Technology 40

Dotcom-Montior

JUNE 25, 2020

CDNs essentially act as the backbone for high speed internet content delivery and performance. This solution provides regular certificate expiry reminders by following the certificate monitoring process. Between June 2017 and 2018, the total number of SSL certificates increased by a record 13.2 million certificates.

Monitoring 77

Monitoring Website Internet Internet 77

SQL Performance

MARCH 17, 2020

Back in 2014, I wrote an article called Performance Tuning the Whole Query Plan. This machine has four i7 CPUs (hyperthreaded to 8) with a base speed of 2.4GHz. The Sort only has 19 rows to process, so it consumes only 1ms or so. Performance is competitive at around 15ms. BountyAmount ; Performance Summary Table.

Servers 86

Servers Tuning Database Efficiency 86

Smashing Magazine

AUGUST 10, 2023

Running A Page Speed Test: Monitoring vs. Measuring Running A Page Speed Test: Monitoring vs. Measuring Geoff Graham 2023-08-10T08:00:00+00:00 2023-08-10T12:35:05+00:00 This article is sponsored by DebugBear There is no shortage of ways to measure the speed of a webpage. Not the best way to get a high-level view of performance.

Speed 81

Speed Monitoring Testing Network 81

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How would you _time_ time?

Speed 126

Speed Java AWS Virtualization 126

Testsigma

APRIL 27, 2020

As we move forward, organizations need to get out of their silos and follow a more collaborative and efficient process to achieve excellence. Organizations that adopt DevOps are able to evolve and improve software products much faster when compared to those that use traditional software development processes. Innovative Mindset.

DevOps 53

DevOps Innovation Efficiency Testing 53

Brendan Gregg

NOVEMBER 29, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance. I'd expect between 0.1%

Virtualization 111

Virtualization AWS Hardware Storage 111

Testsigma

JANUARY 13, 2021

Studies show that in 2017, the worldwide failure rate of iOS apps was as high as 54%, with Android apps crashing 10% of the time. What business processes help with testing mobile apps ? Not only will this help speed track the testing process, it will also help make the objectives clearer.

Mobile 54

Mobile Strategy Testing Efficiency 54

Alex Russell

JANUARY 30, 2024

The usual caveats also apply: Performance is a deep and nuanced domain, and much can go wrong beyond content size and composition. How sites manage resources after-load can have a big impact on perceived performance. Until and unless teams have better data about their performance, the global baseline budget should be enforced.

Performance 90

Performance Network Mobile Speed 90

Alex Russell

DECEMBER 18, 2022

2023 Content Targets Desktop Devices Networks Mobile Devices Networks Developing Your Own Targets The Performance Inequality Gap is Growing. Last month, I had the honour of joining what seemed like the entire web performance community at performance.now() in Amsterdam. This is an ethical crisis for the frontend. 2023 Content Targets #.

Performance 113

Performance Network Mobile Latency 113

Brendan Gregg

NOVEMBER 28, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance. I'd expect between 0.1%

Virtualization 40

Virtualization AWS Hardware Storage 40

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. A quick check of basic performance statistics showed over 30% higher CPU consumption. How would you _time_ time?

Speed 40

Speed Java AWS Virtualization 40

Alex Russell

MARCH 6, 2021

TL;DR: A lot has changed since 2017 when we last estimated a global baseline resource per-page resource budget of 130-170KiB. Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones.

Performance 124

Performance Network Cache Metrics 124

SQL Performance

SEPTEMBER 5, 2019

This article explores the batch data normalized representation, explains why not all eight-byte data types can fit within 64 bits, and shows an example of how all this affects batch-mode performance. You can skip the WHERE clauses if you are running SQL Server 2017. Batch mode execution is all about speed. Why the difference?

Performance 81

Performance C++ Storage Servers 81

Brendan Gregg

SEPTEMBER 5, 2017

There's also a ZFS send/recv code path that should try to use the TASK_INTERRUPTIBLE flag (as suggested by a coworker), to avoid a kernel hang (can't kill -9 the process). On Linux, containers are a combination of namespaces (restricting what a process sees) and cgroups (similar to Solaris resource controls).

Virtualization 76

Virtualization AWS Engineering Hardware 76

The Symphonia

DECEMBER 6, 2017

Correspondingly, 3GB functions should see a 2x CPU performance improvement over 1.5GB Lambdas, but this is through doubling the number of cores the function has access to, rather than double the virtualized time-slices. That means that 3GB functions might not see a linear speed bump for primarily single threaded functions.

Serverless 40

Serverless Lambda AWS Traffic 40

CSS - Tricks

APRIL 1, 2021

Site performance is potentially the most important metric. The better the performance, the better chance that users stay on a page, read content, make purchases, or just about whatever they need to do. Speed is also something Google considers when ranking your website placement on mobile. Again, every millisecond counts.

Cache 92

Cache Social Media Media Website 92

Smashing Magazine

DECEMBER 7, 2023

If you’re reading this before March 2024 and fire up your favorite performance monitoring tool, you’re going to to get a Core Web Vitals report like this one pulled from PageSpeed Insights: ( Large preview ) You’re likely used to seeing most of these metrics. INP will officially replace FID when it becomes an official Core Web Vital metric.

Traffic 94

Traffic Metrics Google Monitoring 94

O'Reilly Software

AUGUST 23, 2018

Recently, we dove into our assessment data to discover—and quantify —trends in software development, each time comparing 2016 to 2017. Trend 1: The percentage of teams that do not automate deployment shrank from 26% in 2016 to 11% in 2017. Trend 4: More teams are enforcing full quality control (31% in 2017, up from 23% in 2016).

Software 73

Software Software Development Code 73

SQL Performance

FEBRUARY 3, 2020

While I got decent results in my first attempt, I wanted to see if I could improve the performance in part 2. There I outlined a few of the things I thought might be performance issues, and laid out how I would better partition the destination table for optimal columnstore compression. ALTER TABLE dbo. BatchQueue ADD. Monitoring.

Speed 113

Speed Processing Servers Storage 113

Alex Russell

FEBRUARY 3, 2023

Not only are new services being built to a self-defeatingly low UX and performance standard, existing experiences are pervasively re-developed on unspeakably slow, JS-taxed stacks. Not the developers being showered with shiny tools and boffo praise for replacing "legacy" HTML and CSS that performed fine. It is not going well.

Social Media 119

Social Media Website Technology Technology 119

Percona

SEPTEMBER 1, 2023

This blog was originally published in October 2017 and was updated in September 2023. Scalability is a significant concern, as databases must handle growing data volumes and user demands while maintaining peak performance. A poorly chosen shard key can lead to performance issues.

Best Practices 73

Best Practices Traffic Database Servers 73

Sutter's Mill

FEBRUARY 13, 2017

Tue-Thu Apr 25-27: High-Performance and Low-Latency C++ (Stockholm). On April 25-27, I’ll be in Stockholm (Kista) giving a three-day seminar on “High-Performance and Low-Latency C++.” If you’re interested in attending, please check out the links, and I look forward to meeting and re-meeting many of you there.

Latency 51

Latency C++ Hardware Performance 51

All Things Distributed

OCTOBER 2, 2017

We were pushing the limits of what was a leading commercial database at the time and were unable to sustain the availability, scalability and performance needs that our growing Amazon business demanded. Performant – The service would need to be able to maintain consistent performance in the face of diverse customer workloads.

Internet 128

Internet Internet AWS Performance 128

Percona

AUGUST 5, 2023

This blog was originally published in July 2017 and was updated in August 2023. Horizontal and vertical MySQL partitions are techniques used to divide tables into smaller sections for improved performance and management. Each partition holds data that falls within a specific range, optimizing data handling and query speed.

Strategy 40

Strategy Storage Database Best Practices 40

Smashing Magazine

AUGUST 2, 2021

Before bringing up the refactoring proposal to the management and stakeholders, it can be useful to back up the suggestion with some hard data about the codebase health — not only to convince the management department, but also have a measurable goal for the refactoring process. Preparation And Planning.

Strategy 132

Strategy Testing Best Practices Code 132

Testsigma

MARCH 23, 2022

That number dropped to 46% in the 2017 version of the report but hit a plateau in 2019, where it remained at 46%. Although developing with low-code and no-code often accelerates the development process and enables more straightforward enhancements, DevOps teams should still perform testing and configuration reviews.

Testing Tools 52

Testing Tools Code Testing Speed 52

The Netflix TechBlog

JULY 1, 2019

Development As part of developing this type of UI experience on any platform, we knew we would need to think about creating smooth, performant animations with a balance between quality and download size for the images and video previews, all without degrading the performance of the app. One such area is our graphics memory management.

Cache 166

Cache Design Testing Development 166

Alex Russell

OCTOBER 22, 2017

TL;DR: performance budgets are an essential but under-appreciated part of product success and team health. — Alex Russell (@slightlylate) October 4, 2017. Performance budgets are set early in the life of the project. Performance budgets keep everyone on the same. Maybe "ambush by JS"?

Performance 68

Performance Benchmarking Network Mobile 68

Percona

MARCH 30, 2023

Past trepidation — about perceived vulnerabilities and performance issues — has faded as decision makers realize what an “open source database” really is and what it offers. They’re often preferred for storing and processing business intelligence data by organizations that require fast SQL queries.

Open Source 77

Open Source Database Storage Scalability 77

Alex Russell

MARCH 31, 2022

The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Removal also creates a performance cliff for content that assumes cache availability. That is unlikely given the need for SRI annotations or the unbecoming practice of speeding up high-traffic sites, but not others.

Cache 82

Cache Government Traffic Network 82

Enprowess

NOVEMBER 2, 2021

Know the difference between Flutter vs React Native in terms of architecture, performance, community support, learning curve, use cases and many other aspects. Performance comparison. Wix – Achieved high speed and lightness within the development of configurable navigations and screen choices. Table of Contents. An overview.

Development 52

Development Social Media Mobile Code 52