Brendan Gregg

JULY 15, 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.

Systems 111

Systems Performance Education Technology 111

MachMetrics

DECEMBER 14, 2019

With another year winding down, it’s time for us to take stock of how our site performance compares to the average page load times for 2020. As you know, there are many metrics that determine a website’s page speed, and we can’t look at just one of them to determine how performant our site is.

Best Practices 105

Best Practices Speed Mobile Google 105

Smashing Magazine

JUNE 3, 2022

Measuring The Performance Of Typefaces For Users (Part 1). Measuring The Performance Of Typefaces For Users (Part 1). How well does a typeface work and perform against another similar typeface? Reasons To Measure The Performance Of Typefaces? Measuring Typefaces And The Resulting Performance Data. Thomas Bohm.

Performance 110

Performance Design Best Practices Testing 110

MachMetrics

FEBRUARY 7, 2019

They get even MORE impatient when it comes to website speed. ” Look put these stats on some numbers: Effect on Sale: 79% of customers who report dissatisfaction with website performance are less likely to buy from that same site again. “ The results were clear—speed matters! Want proof? Growing use of mobile.

Speed 93

Speed Website Performance Website Mobile 93

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. Conclusions This is a bit in early stages but I’m looking forward to see how the API evolves and we can use it to track Web Performance even better. round ( entry.

Google 130

Google Analytics Metrics Speed 130

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

KeyCDN

JANUARY 31, 2019

Today we’re excited to announce that we’ve launched yet another POP location to help further supercharge our network’s content delivery speeds. As for Romania, it covers an area of over 238,000 square kilometers and as of 2017 had a population of almost 20 million. million people. USD each online annually.

Internet 48

Internet Internet Ecommerce Speed 48

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

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.

Systems 40

Systems Performance Education Technology 40

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

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

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

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

All Things Distributed

NOVEMBER 13, 2018

Since then, AWS has added another PoP in Palermo in 2017. Some of the largest enterprises and public sector organizations in Italy are using AWS to build innovations and power their businesses, drive cost savings, accelerate innovation, and speed time-to-market. Today, their time-to-market is close to zero.

AWS 167

AWS Energy Automotive Traffic 167

Dotcom-Montior

JUNE 25, 2020

CDNs essentially act as the backbone for high speed internet content delivery and performance. Between June 2017 and 2018, the total number of SSL certificates increased by a record 13.2 The post The Importance of Monitoring SSL Certificates appeared first on Dotcom-Monitor Web Performance Blog. million certificates.

Monitoring 77

Monitoring Website Internet Internet 77

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

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. Performance is competitive at around 15ms. This code is provided for interest and is not included in the performance summary table. Test Environment.

Servers 86

Servers Tuning Database Efficiency 86

KeyCDN

OCTOBER 24, 2018

Today we’re excited to announce that we’ve launched yet another POP location to help further supercharge our network’s content delivery speeds. In terms of Internet speed, Finland ranks as one of the fastest countries in the world. According to Wikipedia , the average connection speed in Q1 of 2017 was 20.5Mbps.

Internet 48

Internet Internet Speed Network 48

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. Mobile website testing helps in serving your customers with a flawless performance on popular screen resolutions. Speed and Accuracy.

Website 98

Website Mobile Testing Strategy 98

Testsigma

APRIL 27, 2020

According to the 2017 State of DevOps Report , those organizations that have employed DevOps practices spend 21 percent less time on unplanned work and rework, and 44 percent more time on new work which leads to higher efficiency. The DevOps culture focuses on performance rather than individual goals. Reduced Implementation Failure.

DevOps 53

DevOps Innovation Efficiency Testing 53

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. Not only will this help speed track the testing process, it will also help make the objectives clearer. Here are a few routine testing methodologies used by QA specialists to ensure optimum performance.

Mobile 54

Mobile Strategy Testing Efficiency 54

Rigor

MARCH 20, 2018

38% of all sites measured in Sept 2017 (~500K) are more than 75% 3rd party content. Without monitoring the end user experience, you cannot quantify the performance impact of your third party resources. Popular sites have a higher percentage of 3rd party content than the average site. Need for Alignment Between IT and Business KPIs.

Monitoring 40

Monitoring Retail Ecommerce Infrastructure 40

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. s = SUM ( T.

Performance 81

Performance C++ Storage Servers 81

Brendan Gregg

SEPTEMBER 5, 2017

I gave a talk about container performance recently at DockerCon, and included a quick summary of how they work: YouTube , SlideShare : If you search of slideshare and youtube, you'll find many other good talks on containers as well. People rarely create them manually.

Virtualization 76

Virtualization AWS Engineering Hardware 76

MachMetrics

JUNE 30, 2021

Website performance & speed plays a major role in the success of an online business. High-performing fast sites attract and preserve users better than low-performing ones. The screenshot below explains that page load time and lighthouse performance scores are not the same, yet they are really close to each other.

Cache 78

Cache Speed Google Website 78

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

Tim Kadlec

JANUARY 9, 2019

One question I’ve seen posed a few times in the past several months is whether performance really is a moral or ethical concern, or if that’s all heavy-handed exaggeration. When you stop to consider all the implications of poor performance, it’s hard not to come to the conclusion that poor performance is an ethical issue.

Performance 111

Performance Energy Internet Internet 111

Percona

DECEMBER 21, 2023

The efficiency of database queries in MySQL can make all the difference in the performance and responsiveness of applications. This optimization is performed by default whenever the optimizer determines that using it would allow for faster query execution. This may affect the performance of the other queries in your application.

Efficiency 100

Efficiency Database Open Source Performance 100

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

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

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 130

Internet Internet AWS Performance 130