KeyCDN

AUGUST 15, 2019

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. What is Performance Testing?

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

MachMetrics

JANUARY 23, 2020

You run a speed test on a website, and the results don’t match what you personally experience. Perhaps you feel like your site loads fairly quickly, but the speed test results are sub-optimal. It’s one of the most common (and frustrating) scenarios in web performance testing.

Speed 62

Speed Testing Website Cache 62

Dynatrace

JUNE 27, 2022

RUM gathers information on a variety of performance metrics. Data collected on page load events, for example, can include navigation start (when performance begins to be measured), request start (right before the user makes a request from the server), and speed index metrics (measure page load speed).

Best Practices 175

Best Practices Monitoring Wireless Traffic 175

Dynatrace

DECEMBER 6, 2022

Observability is the ability to measure a system’s current state based on the data it generates, such as logs, metrics, and traces. This process includes the following functionalities: The Dynatrace dashboard tile defines any metric along with its target or SLO. The collected set of metrics are queries for some timeframe.

DevOps 218

DevOps Metrics Engineering Speed 218

Dynatrace

OCTOBER 16, 2023

Availability testing Availability testing helps organizations confirm that a site or application is responding to user requests. Web-performance testing Web-performance testing evaluates metrics including page loading speed, the performance of specific page elements, and the occurrence rate of site errors.

Testing 208

Testing Best Practices Testing Tools Monitoring 208

Dynatrace

JANUARY 5, 2022

This header is parsed by Dynatrace and can be used during analysis to differentiate between load test requests and other requests (e.g., from other test tools or real users). While the test step, use case, and thread group name context are helpful we also want to speed up the analysis of individual requests that fail.

Testing 217

Testing Open Source Metrics Infrastructure 217

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

Smashing Magazine

AUGUST 9, 2022

It can be measured based on real data from users visiting your sites ( field metric ) or in a lab environment ( lab metric ). In fact, several user-centric metrics are used to quantify web vitals. While most of the tools covered below only rely on field metrics, others use a mix of both field and lab metrics.

Performance 130

Performance Benchmarking Website Metrics 130

Apica

OCTOBER 29, 2019

Understanding the market and this massive growth in applications, having a modern performance testing platform will ensure you can test streaming, API-based, and XML-based applications including set-top boxes and game stations among other application types in DevOps friendly way. The short answer is that they aren’t.

Performance Testing 40

Performance Testing Testing Performance Software 40

Speed Curve

MARCH 3, 2024

Hearing about a company that devoted significant effort into optimizing their site, only to find their performance right back where it started a few months later, is all too familiar. The reality is that, as critical as site speed is, it’s also very easy to overlook. Guardrails and breadcrumbs need to work together.

Performance 69

Performance Metrics Code Testing 69

Dynatrace

JULY 16, 2021

We have seen users who joined our preview program “speed up their release validation by 90%”. Many of our users are performance engineers using Cloud Automation Quality Gates to automate the analysis of their performance and load tests – saving hours of analysis time for each test they run.

DevOps 244

DevOps Open Source Cloud Azure 244

Dotcom-Montior

NOVEMBER 27, 2018

Additionally, end users can access your site or applications from anywhere in the world using different browsers, operating systems, and mobile devices, all with varying connection speeds. LoadView, our on-demand, cloud-based load and stress testing platform , takes an outside-in approach to performance testing.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Speed Curve

SEPTEMBER 25, 2018

This gives us a relatively unique opportunity to analyse and aggregate performance metrics to gain some interesting insights. In this post, I'm going to analyse some browser-based paint timing metrics: First Paint & First Contentful Paint (defined in the Paint Timing spec and implemented in Chromium). Doing the analysis.

Metrics 49

Metrics Performance Testing Testing Internet 49

Dynatrace

OCTOBER 5, 2020

The challenge with ASP.NET Web Service Observability, Diagnostics and Performance Optimization is that most monitoring & diagnostic tools only provide global Service Level Indicators metrics (SLIs) such as response time, failure rate, and throughput, but not metrics for each individual service endpoint.

Performance 152

Performance Best Practices Architecture Monitoring 152

Dynatrace

NOVEMBER 19, 2020

Environment interfaces include queries for topology, metrics, problems, and user sessions to name a few. These interfaces also allow toolchains to push problem comments, events, and metrics into Dynatrace for monitored entities. Performance test is run. The Dynatrace event API call is a single web request.

Software 142

Software Software DevOps Open Source 142

Speed Curve

MARCH 7, 2022

How does page bloat affect other metrics, such as Google's Core Web Vitals? Google's Core Web Vitals are a set of metrics that are intended to focus on measuring performance from a user-experience perspective. 62 requests before the Largest Layout Shift (a CLS-related metric that SpeedCurve captures).

Mobile 145

Mobile Benchmarking Google Metrics 145

CSS - Tricks

JULY 25, 2019

In this article, we uncover how PageSpeed calculates it’s critical speed score. It’s no secret that speed has become a crucial factor in increasing revenue and lowering abandonment rates. Now that Google uses page speed as a ranking factor, many organizations have become laser-focused on performance. Speed Index.

Google 71

Google Engineering Speed Mobile 71

Dynatrace

MAY 27, 2021

Here are a few common metrics teams should track for every CD pipeline to help you evaluate its efficacy. Organizations can deliver higher-quality releases faster once SLOs are established and continuously tested at every stage of the development lifecycle. Automate SLO evaluation with quality gates. Watch our webinar.

Best Practices 130

Best Practices DevOps Open Source Cloud 130

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

Speed Curve

FEBRUARY 28, 2024

In this post, we'll: Highlight the differences between on-demand and scheduled testing Cover the various types of on-demand testing, including some of the more common use cases we've heard from SpeedCurve users Step you through running an on-demand test Let's goooooooo! What are the two types of tests within SpeedCurve?

Testing 76

Testing Benchmarking Performance Testing Metrics 76

Speed Curve

JUNE 24, 2019

Build a performance culture that embraces collaboration between design and dev. Keep reading to learn how you can apply these best practices to your own site and give your pages a speed boost. At SpeedCurve we call these metrics "IX Time" and they're available on your LUX Performance dashboard.)

Performance 79

Performance Best Practices Metrics Mobile 79

Dynatrace

MAY 28, 2020

Let me walk you through how I have built my Dynatrace Performance Insights Dashboard showing SLIs split by Test Name as well as SLIs for the specific technology and infrastructure: Enriching your load testing scripts with meta data allows building test context specific SLI-dashboards in Dynatrace.

Engineering 191

Engineering Performance Metrics Best Practices 191

Speed Curve

JULY 3, 2023

For more than ten years, I've been writing about page bloat, its impact on site speed, and ultimately how it affects your users and your business. JavaScript – A page can have a relatively low JS weight but still suffer from JS-inflicted performance problems. The more scripts on your page, the greater the performance risk.

Mobile 52

Mobile Google Metrics Retail 52

CSS - Tricks

JUNE 1, 2021

Table of contents What is testing? Different tests look at different parts of the project Unit testing Integration testing End-to-end (E2E) testing Accessibility testing Visual regression testing Performance testing Wrapping up. What is testing? Performance testing.

Testing 95

Testing Performance Testing Website Code 95

Apica

DECEMBER 12, 2022

If you were on a desert island and forced to bring only one service level objective of a successful application, you would absolutely want to keep tracking user journeys, leaving the rest of the metrics behind. If that is true, what is stopping organizations from truly testing user journeys? Variability and complexity.

Testing 52

Testing DevOps Monitoring Media 52

Speed Curve

MARCH 12, 2023

Pages - This detailed view gives you trended information for all the metrics you know and love. Easily identify areas of opportunity and how things are performing over time for specific pages you are monitoring. Tests - We've had a lot of requests for this, so we're happy to deliver it. As always, let us know what you think!

Testing 52

Testing Metrics Monitoring Website 52

Testsigma

OCTOBER 6, 2020

Performance testing tools. The purpose of performance testing is to make sure that the application is able to perform according to expected standards even when the load is varied. The performance testing is used to measure the metrics that ensure that the system is stable and performing as expected.

Java 65

Java Testing Tools Performance Testing Testing 65

MachMetrics

MAY 31, 2019

These days everyone knows the importance of front-end site testing and has some basic tools in place to help them – but how do you know if your testing efforts are ideal? From speed testing to usability testing, use these ten strategies to ensure your website is always running on all cylinders.

Website 49

Website Testing Speed Website Performance 49

Smashing Magazine

JANUARY 6, 2020

Performance isn’t just a technical concern: it affects everything from accessibility to usability to search engine optimization, and when baking it into the workflow, design decisions have to be informed by their performance implications. Getting Ready: Planning And Metrics. Testing And Monitoring. Table Of Contents.

Performance 145

Performance Cache Network Metrics 145

Speed Curve

DECEMBER 6, 2023

At a glance you can see: The status of the deploy The status of your performance budgets (if you have created budgets) An aggregate metric for all of the URLs tested in the deploy (set to Largest Contentful Paint by default) Clicking on any deployment in the list brings up your Deployment Details dashboard.

Cache 58

Cache Retail Testing Code 58

Smashing Magazine

NOVEMBER 17, 2022

What Is Web Performance? Web performance refers to the speed at which a website loads, how fast it’s downloaded, and how an app is displayed on the user’s browser. Webpage performance test report for the Smashing Magazine website. The Relation Between Images And Web Performance. Fixes To Common Problems.

Media 105

Media Cache Website Mobile 105

Smashing Magazine

JANUARY 7, 2019

Performance isn’t just a technical concern: it matters, and when baking it into the workflow, design decisions have to be informed by their performance implications. Getting Ready: Planning And Metrics. Testing And Monitoring. Getting Ready: Planning And Metrics. Table Of Contents. Setting Realistic Goals.

Performance 103

Performance Cache Metrics Network 103

Dean Hume

JULY 5, 2016

Without a doubt, WebPageTest is one of my favourite web performance testing tools. It's completely free to use and is such a powerful way to test your web pages from different locations all over the world. The Speed Index metric was invented by WebPagetest. Collect your own custom metrics. True story!

Website 40

Website Metrics Speed Testing 40

Dean Hume

JULY 5, 2016

Without a doubt, WebPageTest is one of my favourite web performance testing tools. It's completely free to use and is such a powerful way to test your web pages from different locations all over the world. The Speed Index metric was invented by WebPagetest. Collect your own custom metrics. True story!

Website 40

Website Metrics Speed Testing 40

Dean Hume

JULY 5, 2016

Without a doubt, WebPageTest is one of my favourite web performance testing tools. It's completely free to use and is such a powerful way to test your web pages from different locations all over the world. The Speed Index metric was invented by WebPagetest. Collect your own custom metrics. True story!

Website 40

Website Metrics Speed Testing 40

Rigor

SEPTEMBER 11, 2019

Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning. Rachel Andrew.

Performance 89

Performance Education Google Website 89

Dotcom-Montior

JANUARY 18, 2018

But beyond that, even more, important is speed and user experience. They anticipate websites and online applications to load at lightning speed. Now, speed and user experience has been added to the mix. You can’t drive with closed eyes, and the same is true for performance monitoring.

Monitoring 40

Monitoring Performance Website Ecommerce 40