Brendan Gregg

SEPTEMBER 25, 2021

The broken Java stacks turned out to be beneficial: They helped group together the os::javaTimeMillis() calls which otherwise might have have been scattered on top of different Java code paths, appearing as thin stacks everywhere. Without NMI, some kernel code paths (interrupts disabled) can't be profiled.

Speed 52

Speed Java AWS Virtualization 52

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]. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Start Render time, Speed Index ). Vitaly Friedman. Web performance is a tricky beast, isn’t it?

Performance 103

Performance Cache Metrics Network 103

Dynatrace

SEPTEMBER 23, 2021

In 2019, Gartner reported that 30% of organizations worldwide were running containerized applications. Four types of tools are commonly used to detect software vulnerabilities: Source-code tests that are used in development environments. Source code tests. Dynatrace news. Containers have become hugely popular. Image scanners.

Open Source 250

Open Source Benchmarking Best Practices Network 250

Dynatrace

SEPTEMBER 29, 2021

This blog continues with more examples of Dynatrace’s Monitoring as Code (Monaco) and Service Level Objectives (SLOs) release validation using Dynatrace SaaS Cloud Automation. Example #3 – Automate Monitoring configuration as code. Below is a picture illustrating the use case of using Monaco as part of a code delivery pipeline.

Software 200

Software Software Open Source DevOps 200

Brendan Gregg

SEPTEMBER 25, 2021

The broken Java stacks turned out to be beneficial: They helped group together the os::javaTimeMillis() calls which otherwise might have have been scattered on top of different Java code paths, appearing as thin stacks everywhere. Without NMI, some kernel code paths (interrupts disabled) can't be profiled. But I'm not completely sure.

Speed 40

Speed Java AWS Virtualization 40

Smashing Magazine

DECEMBER 2, 2021

Advent of Code. If you prefer a puzzle over an article, take a look at Advent of Code. Back in October of 2019, “Perl 6” was renamed to “Raku”. The project is available in twenty languages, and encourages all kinds of contributions to open-source projects — including non-pull-request contributions. 24 Pull Requests.

Design 107

Design Development Programming Website 107

SQL Performance

MARCH 17, 2020

This follow-up post revisits the question for SQL Server 2019, using a larger number of rows. This machine has four i7 CPUs (hyperthreaded to 8) with a base speed of 2.4GHz. It has 32GB RAM, with 24GB available to the SQL Server 2019 instance. The code may be easier to read and understand than the recursive CTE.

Servers 86

Servers Tuning Database Efficiency 86

Smashing Magazine

JUNE 10, 2022

Description: Infant characters as in my paper “ Letter and symbol misrecognition in highly legible typefaces for general, children, dyslexic, visually impaired and aging readers — 2019 fourth edition.”. Many previous reading studies investigated the effect of typography on reading speed. Robert Hillier’s Sylexiad Serif Medium.

Performance 94

Performance Design Speed Testing 94

Percona

MARCH 30, 2023

In simple terms, an open source database is this: It’s a database with source code that is free and available to all. Public accessibility enables and allows users to download, modify, and distribute the code. Their work produces higher-quality code and enables faster innovation, while maintaining high security standards.

Open Source 78

Open Source Database Storage Scalability 78

MachMetrics

JUNE 30, 2021

Website performance & speed plays a major role in the success of an online business. Many people often confuse site speed with page speed grades of performance testing tools, which are actually calculated based on multiple factors of a page including its loading speed. How to get these matrics right and not mess up?

Cache 78

Cache Speed Google Website 78

Smashing Magazine

OCTOBER 15, 2018

Smart Bundling: How To Serve Legacy Code Only To Legacy Browsers. Smart Bundling: How To Serve Legacy Code Only To Legacy Browsers. 2019-04-29T18:34:58+00:00. Modern web application development has been simplified due to the availability of a plethora of new browser APIs. A Practical Guide To Shipping Efficient Code.

Code 58

Code Retail Mobile Website 58

Smashing Magazine

MAY 5, 2021

Usually, the HTML code size is not a big issue, especially for small pages, not data-intensive, or pages that are not SEO-oriented. In 2019, we sold 500k tickets a year, so our operations are complex and we need to showcase it with our landing pages in an appealing and fast manner. Why Is Speed Improvement Necessary To Our SEO Efforts?

Google 110

Google Architecture Servers Speed 110

KeyCDN

JUNE 20, 2019

However, in 2019, the expectation for a good user experience is now higher than ever. The lower conversion rate on mobile could be due to a variety of reasons including the website not being responsive for mobile devices, the speed isn’t up to par, etc. Improve Site Speed In 2019, having fast site speed is imperative.

Ecommerce 41

Ecommerce Speed Website Mobile 41

Alex Russell

DECEMBER 18, 2022

The talks are up on YouTube , including my own (behind a paywall, but the slides are freely available [1] ): The talk, like this post, is an update on network and CPU realities this series has documented since 2017. Speeds will be much slower than advertised in many areas , particularly for rural users. 2023 Content Targets #.

Performance 113

Performance Network Mobile Latency 113

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? Note : If you use Page Speed Insights or Page Speed Insights API (no, it isn’t deprecated!),

Performance 145

Performance Cache Media Metrics 145

KeyCDN

OCTOBER 17, 2019

The major application for high quality compression of photos is Internet speed. With that said, many people assume that there are multiple resources available for compressing photos. Options such as JPEG 2000, WebP, and HEIF are all available and have experienced success in one form or another. AVIF version 1.0.0

Media 43

Media Internet Internet Speed 43

Smashing Magazine

JULY 29, 2019

2019-07-29T14:00:59+02:00. 2019-07-29T13:06:57+00:00. The speed of mobile networks, too, varies considerably between countries. Perhaps surprisingly, users experience faster speeds over a mobile network than WiFi in at least 30 countries worldwide, including Australia and France. Chris Ashton. per GB respectively.

Cache 96

Cache Google Mobile Network 96

Alex Russell

AUGUST 30, 2021

I'm only aware of a few such instances: Apple's 2019 response to the U.S. Anyone who cares to download and fork the code can do so. " The eventual Blink fork was precipitated by an insurmountable difficulty in doing precisely what Apple suggested to Congress: contributing code upstream to WebKit to enable new features.

Engineering 98

Engineering Open Source Website Operating System 98

Smashing Magazine

MAY 6, 2019

2019-05-06T13:30:59+02:00. 2019-05-06T11:34:08+00:00. Lazy loading is a way to improve the performance of a website or web application by maximizing the rendering speed of the above-the-fold images and iframes (and sometimes videos) by deferring the loading of below-the-fold content. Here’s a snippet of code that does that. <!

Website 103

Website Best Practices Media Open Source 103

KeyCDN

OCTOBER 31, 2019

According to StatCounter , as of September 2019, Google Chrome holds 63.72% browser market share across the globe. You can easily change the formatting of your minimized code by clicking on {}. Any changes will show up in your browser as if the change had actually been made to the source code.

Google 85

Google Website Network Media 85

Enprowess

JANUARY 12, 2022

Web development is evolving at a rapid speed with each passing year. And so, it optimizes the page loading speed and reduces the bounce rate. So it is convenient for all to use irrespective of internet speed and it works offline using cached data. Let’s dive deep into the top website development trends to expect in 2022.

Blockchain 59

Blockchain IoT Development Serverless 59

SQL Performance

MARCH 8, 2021

They are run on SQL Server 2019 CU9 , on a laptop with 8 cores, and 16GB of memory allocated to the SQL Server 2019 instance. This uses hardware, typically a crystal oscillator, that produces ticks at a very high constant rate regardless of processor speed, power settings, or anything of that nature. Batch Mode Serial Execution.

Servers 95

Servers Tuning Architecture Processing 95

Testsigma

JANUARY 29, 2021

As per April 2019 data of Statistica[1], the global mobile population accounted for 4 billion unique users. Speed and Accuracy. Giving priority to mobile website testing does not mean that you have to perform testing on all ‘categories’ of mobile phones available in the market. Mobile Device Compatibility.

Website 98

Website Mobile Testing Strategy 98

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? It’s much easier to reach performance goals when the code base is fresh or is just being refactored.

Performance 145

Performance Cache Network Metrics 145

HammerDB

JUNE 27, 2022

This post is targeted towards the questions most often asked by non-technical management who want to get up to speed on what HammerDB is (what it isn’t) and how it can benefit their organization. What is HammerDB? HammerDB is a software application for database benchmarking. Adoption by the TPC. Usage and industry adoption.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

The Morning Paper

JULY 11, 2019

A web page instrumented by Panorama looks like this: Parts of the page are colour-coded heat-map style to indicate how costly they were to generate. If the source code update is accepted, the developer can immediately see the new resulting page in the browser, together with updated heat-map information. Cost estimation.

Database 47

Database Performance Speed Servers 47

Smashing Magazine

APRIL 9, 2019

2019-04-09T12:30:59+02:00. 2019-04-29T18:34:58+00:00. This attribute contains seemingly endless alphanumeric junk that you may be tempted to strip out in the quest for cleaner code. If they can compromise that one file, they can very quickly have code running in millions of web pages across the globe. Drew McLellan.

Website 57

Website Servers Code Best Practices 57

CSS - Tricks

MARCH 16, 2020

Google Lighthouse is one of the best-automated tools available on a web developer's utility belt. Along with other general diagnostics and web performance metrics, a really useful feature of the report is that each of the key areas is aggregated into color-coded scores between 0-100. But first, for the uninitiated.

Google 82

Google Latency Website Metrics 82

Enprowess

SEPTEMBER 20, 2021

Talent availability. This JS library uses elements – isolated items of code that may be used to create a lot of complicated logic and UIs. It has a vast community that explains online courses, many available tutorials, articles, and three times more questions on Stack overflow. Vue vs React: Talent Availability.

Open Source 52

Open Source Mobile Scalability Google 52

KeyCDN

SEPTEMBER 12, 2019

When it comes to marketing your website, there are a lot of different aspects to consider, such as speed, SEO, conversation rates, bounce rate, and many others. Well, according to HTTP Archive , as of June 1, 2019 the average desktop page is 1,896.8 The PHP library for the API is available on GitHub. KB (30%) without losses.

Social Media 106

Social Media Media Google Website 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. On some article pages, the graph looked differently.

Performance 145

Performance Cache Mobile Network 145

Testsigma

OCTOBER 31, 2019

Recently, top QA consultancy companies QASymphony and TechWell surveyed mid-size and large-size enterprises for insights into the QA Automation trends of 2019. The overall software testing process will always include a mix of manual and automation test cases so that we achieve high quality, better speed with optimum use of resources.

Testing 40

Testing Testing Tools Open Source Programming 40

Testsigma

NOVEMBER 16, 2021

In the summer of 2019, British Airways faced a technical issue on its website. Notice how March 2020 has shown an extremely positive change in website users with respect to March 2019. For example, being readily available has led to a two-fold increase in active users for Microsoft Teams in the past year. Reputation.

Testing 52

Testing Website Small Business Internet 52

Smashing Magazine

OCTOBER 29, 2018

2019-04-29T18:34:58+00:00. Without being able to measure the speed at which something is working, we can’t tell if the changes being made are improving the performance, having no effect, or even making things worse. You’ll need to do the timing yourself using whatever toolset your backend platform makes available to you.

Servers 87

Servers Performance Metrics Database 87

SQL Performance

AUGUST 27, 2019

On August 7, 2019, AMD finally unveiled their new 7nm EPYC 7002 Series of server processors, formerly code-named "Rome" at the AMD EPYC Horizon Event in San Francisco. Higher memory speed and bandwidth. Among the 19 public processor SKUs, there are preferred choices for SQL Server at each available core count.

Servers 52

Servers Benchmarking Virtualization Architecture 52

Smashing Magazine

AUGUST 8, 2019

2019-08-08T13:00:59+02:00. 2019-08-08T12:09:06+00:00. Three smaller modules speed up the pace, even though they contain more content than before. There are plenty of tools available online to help you sample colours from images, but my favourite is still Adobe Color. Inspired Design Decisions: Ernest Journal. Andy Clarke.

Design 79

Design Energy Website Media 79

Smashing Magazine

AUGUST 9, 2019

2019-08-09T12:30:59+02:00. 2019-08-09T12:36:17+00:00. In this article, we’ll start by exploring the impact unused CSS can have on page load speeds. Existing solutions are available which attempt to automate this process. As is the case with all 3rd party dependencies, this means relying on somebody else's code.

Performance 94

Performance C++ Media Website 94