Smashing Magazine

AUGUST 2, 2021

Refactoring CSS: Strategy, Regression Testing And Maintenance (Part 2). Refactoring CSS: Strategy, Regression Testing And Maintenance (Part 2). In Part 1 , we’ve covered the side effects of low-quality CSS codebase on end-users, development teams, and management. Incremental Refactoring Strategy.

Strategy 132

Strategy Testing Best Practices Code 132

The Netflix TechBlog

JUNE 14, 2023

The three strategies we will discuss today are AB Testing , Replay Testing, and Sticky Canaries. To launch Phase 2 safely, we used Replay Testing and Sticky Canaries. We couldn’t replay test GraphQL queries or mutations that requested non-idempotent fields. How does it work?

Traffic 353

Traffic Latency Cache Metrics 353

Alex Podelko

SEPTEMBER 8, 2020

Some time ago Federico Toledo published Performance Testing with Open Source Tools- Busting The Myths. While Federico definitely has good points there, there is some truth in these myths too. I remember really liking the technical side of these tests. What load testing tools did you use?

Open Source 223

Open Source Performance Testing Testing Performance 223

Testsigma

SEPTEMBER 2, 2021

Automated web testing is not a new concept today. With advancements in web development technologies and how complex web codes are written today, web testing was bound to walk this way sooner or later. Cloud-based automation web testing platform is purely a matter of requirements. What are your testing methods?

Strategy 71

Strategy Testing Cloud Virtualization 71

Dynatrace

JULY 9, 2020

Our recently launched Dynatrace API v2 was focused on providing a consistent developer experience, which enables our customers and partners to implement new use cases and use the API to manage Dynatrace at scale. Keptn will orchestrate the complete workflow for you by first executing your tests and then evaluating our SLIs/SLOs.

Cloud 185

Cloud DevOps Azure Architecture 185

MachMetrics

JUNE 30, 2021

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. John Mueller answered “YES” to this question in 2019, “site speed is definitely a ranking factor?”. Test your pages. Enable caching.

Cache 78

Cache Speed Google Website 78

Dynatrace

APRIL 30, 2019

On the left you see the Pitometer spec file with the list of indicator definitions as well as the total scoring objective. At its heart it uses Istio (for traffic control) and Knative (for event driven tool orchestration) and stores all configuration in Git – following the GitOps approach. When executing the validation, Pitometer.

Architecture 125

Architecture Open Source Azure Metrics 125

Testsigma

SEPTEMBER 15, 2021

The process of web development has changed its meaning in the time span of twenty years ( 2000 to 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. What is cross-browser testing?

Testing 52

Testing Website Cloud Mobile 52

Smashing Magazine

JUNE 26, 2019

As a result, she came back to me concerned with publishing a post on a strategy her agency had yet to adopt successfully. Something like page speed optimization was always left to the developers to worry about. Developers are already optimizing front end performance with: Fast web hosting. She was torn though. Minification.

Website 110

Website Speed Mobile Design 110

Smashing Magazine

SEPTEMBER 6, 2021

Sadly, this is something that you, as an average web developer, can’t do much about, because it’s mainly a problem in the browsers and servers themselves. First, few of their developers were involved with HTTP/3 from the start, and now they have to play catch-up. Image source: Andy Davies ) ( Large preview ).

Network 104

Network Servers Cache Traffic 104

O'Reilly Software

MARCH 7, 2018

The most common programming task that a typical software developer has to deal with is: receiving input, transforming it, and producing output. Some of the problems were: The lack of mature testing tools made interoperability a nightmare, especially when services stopped adhering to their own self-published service contracts.

Transportation 72

Transportation Java Programming Architecture 72

SQL Server According to Bob

JANUARY 11, 2020

Important Always consult with your hardware manufacturer for proper stable media strategies. Problems, Pitfalls, and Samples The problems, pitfalls, and samples described in this section are issues encountered by the Microsoft SQL Server Support and Development staff. This can be time-consuming and invasive.

Servers 40

Servers Cache Media Hardware 40

CSS - Tricks

OCTOBER 10, 2019

WebPageTest is an online tool and an Open Source project to help developers audit the performance of their websites. I am constantly amazed at what it offers to the web development community at large and the web performance folks particularly — for free. Such front-end frameworks include React , Vue , Angular or Svelte.

Performance Testing 51

Performance Testing Testing Performance Open Source 51

Smashing Magazine

JANUARY 11, 2021

In many organizations, front-end developers know exactly what common underlying problems are and what strategies should be used to fix them. Performance Budgets, Pragmatically shows you a strategy to achieve that. There are many tools allowing you to achieve that: SiteSpeed.io Establish a performance culture.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

In many organizations, front-end developers know exactly what common underlying problems are and what loading patterns should be used to fix them. So every time a conversation about further development happens, performance is a part of that conversation as well. SpeedCurve , New Relic — the tools provide synthetic testing, too).

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

In many organizations, front-end developers know exactly what common underlying problems are and what loading patterns should be used to fix them. Real User Monitoring ( RUM ) tools evaluate user interactions continuously and collect field data (e.g. SpeedCurve , New Relic — both tools provide synthetic testing, too).

Performance 103

Performance Cache Metrics Network 103