CSS Wizardry

NOVEMBER 9, 2018

Let me address that by combining my two favourite topics: CSS and performance. It’s really, really bad for Start Render performance. The introduction of the Preload Scanner improved web page performance by around 19%, all without developers having to lift a finger. What’s the Big Problem? Avoid using @import in your CSS files.

Network 278

Network Performance Media Cache 278

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

Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Web performance is a tricky beast, isn’t it?

Performance 145

Performance Cache Media Metrics 145

CSS - Tricks

MARCH 16, 2020

to run Google Lighthouse audits via the command line, save the reports they generate in JSON format and then compare them so web performance can be monitored as the website grows and develops. What is Google Lighthouse? Google Lighthouse is one of the best-automated tools available on a web developer's utility belt.

Google 82

Google Latency Website Metrics 82

Smashing Magazine

AUGUST 3, 2023

How We Optimized Performance To Serve A Global Audience How We Optimized Performance To Serve A Global Audience Liran Cohen 2023-08-03T10:00:00+00:00 2023-08-03T13:06:00+00:00 I work for Bookaway , a digital travel brand. Large preview ) We’ve known for a long time that fast page performance influences search engine rankings.

Performance 74

Performance Cache Traffic Metrics 74

Rigor

JANUARY 8, 2020

Reading time 8 min In a constantly changing environment, brands are likely to be iterating on sites and applications to make them bigger, faster, fancier, and more engaging while pushing the new and updated code out as quickly as possible. Five Common Myths About Web Performance Budgets. Five Common Myths About Web Performance Budgets.

Performance 122

Performance Mobile Metrics Speed 122

Smashing Magazine

OCTOBER 24, 2023

The Fight For The Main Thread The Fight For The Main Thread Geoff Graham 2023-10-24T18:00:00+00:00 2023-10-24T22:02:26+00:00 This article is sponsored by SpeedCurve Performance work is one of those things, as they say, that ought to happen in development. But not everything about performance happens directly at the code level, right?

Google 90

Google Analytics Traffic Metrics 90

Smashing Magazine

JUNE 2, 2021

Improving The Performance Of An Online Store (Case Study). Improving The Performance Of An Online Store (Case Study). Every front-end developer is chasing the same holy grail of performance: green scores in Google Page Speed. For this article, we will focus on the first three and the performance adjustments for these.

Performance 115

Performance Cache Website Mobile 115

Dynatrace

AUGUST 28, 2020

To summarize the textbook definition, which originates from engineering and control theory, observability is essentially the ability to understand what is happening inside of a system from the knowledge of its external outputs. Logs – Structured or unstructured text that record discreet events that occurred at a specific time.

IoT 161

IoT Infrastructure Monitoring Innovation 161

Dynatrace

JUNE 6, 2023

In the podcast, Grabner recalled his interview with Kelsey Hightower at the Perform 2023 conference. He recalls Dynatrace’s nascent days in the application performance monitoring space when observability was becoming a hot topic. One of the main roadblocks that arises with a broader definition for DevOps is responsibility.

DevOps 162

DevOps Engineering Innovation Best Practices 162

Dynatrace

SEPTEMBER 28, 2021

While DevOps is often referred to as “agile operations,” the widely quoted definition from Jez Humble, co-author of The DevOps Handbook, calls it “a cross-disciplinary community of practice dedicated to the study of building, evolving, and operating rapidly-changing resilient systems at scale.” Deployment frequency.

DevOps 200

DevOps Metrics Traffic Efficiency 200

MachMetrics

APRIL 3, 2020

Luckily we’ve recommended some of the best web performance books to read while stuck at home. High Performance Web Sites: Essential Knowledge For Front-End Engineers. If you’re looking to read optimization ideas from one of the greatest minds in speed performance, look no further. Need a good distraction?

Speed 85

Speed Performance Best Practices Website 85

Smashing Magazine

JANUARY 6, 2020

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2020 [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 145

Performance Cache Network Metrics 145

CSS - Tricks

AUGUST 18, 2020

Yet, this criticism of React isn’t completely unwarranted: React and ReactDOM total about 120 KiB of minified JavaScript, which definitely contributes to slow startup time. It makes organizing code easier. What follows are my findings on React performance as I’ve tried to meet this challenge in a way that’s best for users.

Performance 101

Performance Mobile Servers Code 101

CSS - Tricks

DECEMBER 23, 2020

Lighthouse is a free and open-source tool for assessing your website’s performance, accessibility, progressive web app metrics, SEO, and more. It is a suite of tools that help you identify the impact of specific code changes on you site not just performance-wise, but in terms of SEO, accessibility, offline support, and other best practices.

Performance 78

Performance Storage Servers Virtualization 78

Dynatrace

JUNE 25, 2021

In the mid 2000s, Google published their Dapper paper which describes techniques for distributed tracing at Google. Around the same time, Dynatrace released PurePath Version 1, which allowed for distributed tracing that provided not only cross-tier timings but also code-level details. W3C Trace Context. Unknown unknowns.

Open Source 200

Open Source Monitoring Google Systems 200

Testsigma

JUNE 10, 2021

In a 2FA system, a user has to enter a password and an OTP or a code obtained from a different app. We cannot test third-party mobile apps like Twilio Authy or Google Authenticator. Finally, we will also talk about how Testsigma can help you perform automated testing for 2FA. See how Testsigma lets you automate 2FA live.

FinTech 140

FinTech Mobile Speed Testing 140

The Morning Paper

NOVEMBER 12, 2019

Scaling symbolic evaluation for automated verification of systems code with Serval Nelson et al., It makes an interesting juxtaposition to the approach Google took with Snap that we looked at last time out. Here are the resulting code and specification sizes, together with the verification runtimes (impressively short!).

Code 45

Code Systems Programming Google 45

Smashing Magazine

FEBRUARY 24, 2022

How would you measure performance? Other times it’s about how fast a task is performed. Rest assured, all these definitions (and others) would be correct, provided the right context. Rest assured, all these definitions (and others) would be correct, provided the right context. Performance vs Perceived Performance.

Benchmarking 116

Benchmarking Metrics Best Practices Monitoring 116

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 103

Performance Cache Metrics Network 103

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

Testsigma

MARCH 12, 2021

While it is definitely true that both of these processes automate the process, “what” and “how” of their automation is entirely different. According to Google, the meaning of a “robot” is: “ a machine resembling a human being and able to replicate certain human movements and functions automatically.” Benefits of RPA.

Artificial Intelligence 97

Artificial Intelligence Testing Energy Analytics 97

Adrian Cockcroft

FEBRUARY 9, 2023

The third is that the Team Topologies book defined how to create and manage Platform Teams so there’s interest in the terminology and definition. We wanted AWS to grow its platform functionality, and to continually eat away at the bottom of the thin layer of rapidly evolving Netflix specific platform code that we had built.

Engineering 137

Engineering Serverless Lambda AWS 137

Percona

APRIL 12, 2023

Co-founder Eliot Horowitz recounts ( {coding}bootcamps.io ): “MongoDB was born out of our frustration using tabular databases in large, complex production deployments. The SSPL requires a company that offers MongoDB as a service to publicly release code for all the software used to deliver that service (or have a license from MongoDB).

Open Source 85

Open Source Programming Database Servers 85

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. Google’s industry benchmarks from 2018 also provide a striking breakdown of how each second of loading affects bounce rates.

Cache 92

Cache Social Media Media Website 92

KeyCDN

SEPTEMBER 12, 2019

We normally focus solely on the performance aspect, but today we want to dive into additional ways you can optimize images for the web. The file size of your images of course is very important, but SEO and social media also play an important part in helping your website perform and convert better.

Social Media 106

Social Media Media Google Website 106

Smashing Magazine

AUGUST 10, 2023

Large preview ) I don’t know about you, but it often feels like I’m missing something when measuring page speed performance. Not the best way to get a high-level view of performance. I’ve had time to work with DebugBear and thought I’d give you a peek at it with some notes on my experience using it to monitor performance.

Speed 81

Speed Monitoring Testing Network 81

Alex Russell

JULY 14, 2021

Engine diversity is essential, as it is the mechanism that causes competition to deliver better performance, capability, privacy, security, and user controls. Google's Search App and Facebook's various apps for Android undermine these choices in slightly different ways. [3] More on that when we get to iOS. " you might ask?

Google 121

Google Mobile Engineering Internet 121

Dynatrace

APRIL 30, 2019

At Neotys PAC 2019 in Chamonix, France, I presented approaches on how to solve this problem by looking at examples from companies such as Intuit, Dynatrace, Google, Netflix, T-Systems and others. You can read my blog supporting my session titled “ Performance as Code: Lets make it a Standard ” on the Neotys PAC blog.

Architecture 126

Architecture Open Source Azure Metrics 126

Smashing Magazine

JUNE 26, 2019

Developers are already optimizing front end performance with: Fast web hosting. Clean coding practices. Instead, I suggest that web designers use another Google testing tool called Test My Site. Test My Site is a mobile page speed testing tool from Think with Google. Minification. Image optimization. seconds too long.

Website 110

Website Speed Mobile Design 110

Percona

DECEMBER 29, 2022

While working as a DBA, we perform many regular tasks, and one of them is upgrading our database systems. There are some techniques to perform a PostgreSQL database upgrade, such as data dump and import, logical replication, or in-site upgrade using pg_upgrade. If all is good, perform the upgrade removing the –check flag.

C++ 82

C++ Open Source Database Programming 82

Testsigma

SEPTEMBER 15, 2021

Later, I would like to add how automation has been added into this system, why it was necessary and how to use it to perform automated cross-browser testing. If there is a bug, it should exist in all the devices and browsers i.e. it is expected to be in the source code and not the fault of the device/browser/OS.

Testing 52

Testing Website Cloud Mobile 52

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

Smashing Magazine

AUGUST 9, 2019

Handling Unused CSS In SASS To Improve Performance. Handling Unused CSS In SASS To Improve Performance. A quick Google search reveals plenty of online tools up to the job, but I prefer to use the coverage tool in Chrome, which can be run straight from Chrome’s DevTools. Google has recognized this as well. Luke Harrison.

Performance 94

Performance C++ Media Website 94

Testsigma

JANUARY 29, 2021

Globally, consumers are preferring their mobile phones for performing activities (e.g. Popular search engines like Google give preference to websites that are mobile-ready[4]. Mobile website testing helps in serving your customers with a flawless performance on popular screen resolutions. online shopping, bill payments, etc.)

Website 98

Website Mobile Testing Strategy 98

Enprowess

MARCH 10, 2022

However, we cannot outline the best, but we can definitely analyze which is the best framework to choose in which situations. Performance. Code Quality: Angular or React? It makes your code very easy to understand and launch. improved user experience and very fast performance. Cleaner and short Coding.

Development 52

Development Google Open Source Servers 52

Alex Podelko

NOVEMBER 21, 2018

To evaluate such ecosystems, in absence of more sophisticated data, I used the number of documents Google finds and the number of jobs Monster finds mentioning each product. Load testing is an important part of the performance engineering process. A stereotypical, last-moment performance check is not enough anymore.

DevOps 113

DevOps Testing Testing Tools Performance Testing 113