Dynatrace

JULY 30, 2021

Cloud Automation workshop attendees not only get to walk through my Three-step implementation guide to answer-drive SLO-based release validation , but they also get to trigger multi-stage and multi-environment cloud automation including Monitoring As Code , Deployment Automation, and SLO-based Release Validation. Hands-on 2: Codify your SLOs.

Cloud 211

Cloud DevOps Azure Virtualization 211

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? What is your business model?

Open Source 223

Open Source Performance Testing Testing Performance 223

Dynatrace

AUGUST 17, 2023

In 2015, the Spring folks already regarded Dynatrace as the gold standard for performance monitoring. We also use Micrometer to analyze ingest queue processing speed, which helps us make decisions about adding resources. Definitions of the Slack workflow are also in the Git repository.

Metrics 187

Metrics Analytics Speed Java 187

Dynatrace

DECEMBER 6, 2022

But, manual steps — such as reviewing test results and addressing production issues resulting from performance, resiliency, security, or functional issues — often hinder these efforts. As two examples, Roman Ferstl of Triscon noted that observability-driven DevOps has helped clients achieve 15x more tests with 10x more apps tested.

DevOps 207

DevOps Metrics Engineering Speed 207

Apica

DECEMBER 12, 2022

In our previous post, we established user journeys as the essential goal of software testing efforts. If that is true, what is stopping organizations from truly testing user journeys? Continuously deploying new releases at 100X or 1000X speed is a DevOps state of flow all organizations strive for. Variability and complexity.

Testing 52

Testing DevOps Monitoring Media 52

Dynatrace

DECEMBER 9, 2020

To speed up release frequency, they’re investing in delivery-pipeline automation. The flip side of speeding up delivery, however, is that each software release comes with the risk of impacting your goals of availability, performance, or any business KPIs. Build your own Site Reliability Engineering dashboards.

Metrics 147

Metrics Engineering Google Monitoring 147

Percona

JANUARY 17, 2023

The definition of Percona Advisors by ChatGPT is the following: Percona Advisors can help organizations implement robust security measures to protect their databases and sensitive data. So it is only for debugging and testing purposes. Percona Monitoring and Management (PMM). It is partially true. Preparation. Checks in action.

Database 100

Database Open Source Monitoring Innovation 100

Speed Curve

MARCH 11, 2024

After years of development and testing, Google has added Interaction to Next Paint (INP) to its trifecta of Core Web Vitals – the performance metrics that are a key ingredient in its search ranking algorithm. This frustration is hardwired, as you can learn in this post about the psychology of site speed and human happiness.)

Mobile 81

Mobile Google Metrics Monitoring 81

The Netflix TechBlog

OCTOBER 7, 2021

At Netflix, we have significant investments in ensuring new versions of our applications are well tested. However, Netflix is available for streaming on thousands of types of devices and it is powered by hundreds of micro-services which are deployed independently, making it extremely challenging to comprehensively test internally.

Metrics 197

Metrics Mobile Testing Strategy 197

Testsigma

MAY 14, 2021

Cloud-based testing has become quite integral these days. Most businesses have already done the shift towards cloud-based testing. The traditional testing that was done on the software installed on local servers is now slowly fading away. Cloud-based testing comprises cloud-based test automation as well.

Cloud 67

Cloud Testing Testing Tools Internet 67

Dynatrace

MARCH 17, 2021

This increase in speed, alongside a more unified team utilizing a single source of truth to build trust, has enabled the business to benefit too; having the capability to adapt more dynamically to pricing changes, be more agile with new product offerings and follow the market more accurately and quicker than ever before.

DevOps 179

DevOps Media Metrics Technology 179

MachMetrics

DECEMBER 14, 2019

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. By analyzing the data from Backlinko.com and their Page Speed Stats article, we’ll look to answer these questions: What size should be a website be?

Best Practices 105

Best Practices Speed Mobile Google 105

Apica

NOVEMBER 15, 2019

With this shift in applications everywhere enterprises need to do their due diligence in performance testing complex modern applications at scale, often and at a lower cost to stay competitive. With this growth and added complexity, how are your legacy performance testing solutions keeping up?

Performance Testing 40

Performance Testing Testing Performance Games 40

The Netflix TechBlog

FEBRUARY 16, 2021

However, with our rapid product innovation speed, the whole approach experienced significant challenges: Business Complexity: The existing SKU management solution was designed years ago when the engagement rules were simple? Overall, it simplified SKU selections and increased our testing and product delivery confidence.

Mobile 209

Mobile Engineering Infrastructure Scalability 209

Speed Curve

MARCH 7, 2022

Having said that, looking at data over the past ten years, it's safe to make the observation that pages are definitely trending bigger. You can dig deeper into the mechanics of how CLS is calculated, but the human-friendly definition is that CLS helps you understand how likely a page is to deliver a janky, unpleasant experience to viewers.

Mobile 145

Mobile Benchmarking Google Metrics 145

Dynatrace

MAY 28, 2020

Keptn uses SLO definitions to automatically configure Dynatrace or Prometheus alerting rules. After a new build gets deployed and automated tests executed, SLIs are evaluated against their SLOs and, depending on that result, a build is considered good (promoted) or bad (rolled back). “ This is what this blog is all about.

Engineering 185

Engineering Performance Metrics Best Practices 185

VoltDB

FEBRUARY 29, 2024

On the other hand, high throughput is crucial for tasks like downloading large files or streaming high-definition videos, where the volume of data transferred matters. Additionally, businesses must continually monitor and analyze application performance to identify and mitigate latency issues as they arise. No compromises.

Latency 52

Latency Games Traffic Network 52

Jos

JUNE 17, 2017

In a recent post about Chrome 60 Beta , Google announced the support of the Paint Timing API to get metrics on when your page starts rendering and when the user gets content that can be consumed (more info on the definition of the events below). Here I’m going to describe this new API a bit and show you how to use it. round ( entry.

Google 130

Google Analytics Metrics Speed 130

Smashing Magazine

FEBRUARY 24, 2022

Rest assured, all these definitions (and others) would be correct, provided the right context. Web performance is a broad topic with thousands of metrics that you could potentially monitor and improve. There are multiple ways of testing Web Vitals on your application. Application Monitoring. Web Vitals. Large preview ).

Benchmarking 119

Benchmarking Metrics Best Practices Monitoring 119

Speed Curve

MAY 1, 2023

If you've invested countless hours in speeding up your pages, but you're not using performance budgets to prevent regressions, you could be at risk of wasting all your efforts. In an ideal world, pages served to mobile devices should be under 1 MB – and definitely not more than 2 MB – but I often see pages in excess of 5 MB.

Performance 98

Performance Metrics Media Google 98

Speed Curve

FEBRUARY 15, 2021

You can then configure your monitoring tools to send you alerts – or even break the build, if you're testing in your staging environment – when your budgets are violated. The easiest way to do this is to look at rendering filmstrips in your synthetic test data. What is a performance budget? Can I use it?

Performance 133

Performance Metrics Benchmarking Google 133

Testsigma

APRIL 23, 2021

With the increased usage of smartphones in recent years, enterprises and the software industry now have to cater their applications to mobile devices for web testing in addition to desktops. Predominantly, there are two sets of tools that can cater to all your testing requirements when it comes to mobile web testing.

Mobile 52

Mobile Testing Testing Tools Programming 52

Dean Hume

SEPTEMBER 21, 2016

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. Speed Index is important because it goes a step further and measures how much of the "above-the-fold" content is visually complete until the web page has finished loading.

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. Speed Index is important because it goes a step further and measures how much of the "above-the-fold" content is visually complete until the web page has finished loading.

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

One of the metrics produced when you run a test using webpagetest.org is called Speed Index and it changed the way I thought about web performance. Speed Index is important because it goes a step further and measures how much of the "above-the-fold" content is visually complete until the web page has finished loading.

Speed 40

Speed Analytics Google Retail 40

Testsigma

DECEMBER 27, 2019

We do ‘ Cross Browser Testing ’ to meet the end user expectations across different web browsers. If your application is compatible enough, it will definitely help in obtaining a good business. In this article, we will see how we do cross browser testing in 2 ways: manual browser testing and automated browser testing.

Testing 54

Testing Testing Tools Operating System Mobile 54

Smashing Magazine

OCTOBER 24, 2023

Monitoring The Main Thread If you’re like me, I immediately reach for DevTools and open the Lighthouse tab when I need to look into a site’s performance. We can get a better view if we run the same test in another service, like SpeedCurve , which digs deeper into the metric. The user is forced to wait a whopping 4.1

Google 93

Google Analytics Traffic Metrics 93

Jos

JUNE 17, 2017

In a recent post about Chrome 60 Beta , Google announced the support of the Paint Timing API to get metrics on when your page starts rendering and when the user gets content that can be consumed (more info on the definition of the events below). Here I’m going to describe this new API a bit and show you how to use it. var perfEntries = list.

Google 100

Google Analytics Metrics Speed 100

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. DebugBear actually tests with a slower network, resulting in more accurate data.

Traffic 97

Traffic Metrics Google Monitoring 97

Dynatrace

DECEMBER 2, 2021

To get a better handle on this, let’s start with some definitions. Stable, well-calibrated SLOs pave the way for teams to automate more processes and testing throughout the software delivery life cycle (SDLC). And why have SLOs and SLIs become so important as teams automate processes to consistently meet SLAs and error budgets?

Metrics 180

Metrics Best Practices DevOps Infrastructure 180

Smashing Magazine

APRIL 19, 2021

Time to First Byte (TTFB), DOM Content Loaded, Start Render, Speed Index) — but from the experience of the user. Total Blocking Time (TBT) is a good proxy for FID when using a testing tool without any direct user interaction, but also keep an eye on Time to Interactive (TTI) when looking at FID. Cumulative Layout Shift (CLS).

Google 141

Google Metrics Mobile Analytics 141

Smashing Magazine

JUNE 10, 2022

Testing it (subjectively or objectively) also depends on the context — which can be very tricky. We saw how important it is to keep the typographic design parameters and variables the same to get a more accurate result while testing different typefaces. Precise numerical score based on a standard test. Don’t worry!

Performance 97

Performance Design Testing Speed 97

Percona

AUGUST 30, 2023

Disaster recovery strategies and testing One might think disaster begets loss, but with the right planning, that loss can be so minimal it’s more “blip” than “bad.” Whatever plan you arrive at, you must test it. Application testing: Test to make sure applications function correctly after recovery.

Database 85

Database Hardware Open Source Strategy 85

Speed Curve

JUNE 18, 2019

With sufficient automated testing, you can have a high level of confidence that an isolated change can be built and integrated without breaking anything else. If any of the automated tests fail, then the build is broken and the change cannot be integrated. So where in a CI/CD pipeline do we put performance testing?

Performance Testing 49

Performance Testing Testing Performance Cache 49

Dynatrace

JUNE 28, 2019

As a full stack monitoring platform, Dynatrace collects a huge number of metrics for each OneAgent monitored host in your environment. One example is the automatic check of monthly load-test results for performance reporting based on Dynatrace synthetic tests. Dynatrace news. api/v2/metrics/descriptors.

Metrics 101

Metrics Efficiency Monitoring Azure 101

Speed Curve

OCTOBER 27, 2020

Back in May, we shared that SpeedCurve supports Google's Core Web Vitals in both our synthetic monitoring and LUX real user monitoring tools. Fortunately, we have the ability to do both those things in synthetic and real user monitoring (RUM). It's definitely worth a read.). What does a poor CLS score look like?

Retail 80

Retail Benchmarking Google Metrics 80

MachMetrics

JULY 27, 2018

If you run a private WebPageTest instance on Amazon EC2, one of the choices you’ll have to make is whether to use Linux or Windows test agents. But last week I switched over to Linux test agents, and I don’t think I’ll ever go back to Windows – here’s why: 1. Linux Agents are more consistent.

Speed 40

Speed Hardware Internet Internet 40