Smashing Magazine

OCTOBER 31, 2023

Answering Common Questions About Interpreting Page Speed Reports Answering Common Questions About Interpreting Page Speed Reports Geoff Graham 2023-10-31T16:00:00+00:00 2023-10-31T17:06:18+00:00 This article is sponsored by DebugBear Running a performance check on your site isn’t too terribly difficult.

Speed 117

Speed Google Website Metrics 117

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 246

Testing Open Source Metrics Infrastructure 246

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 246

DevOps Metrics Engineering Speed 246

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 246

DevOps Open Source Cloud Azure 246

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 219

Software Software DevOps Open Source 219

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 270

Engineering Performance Metrics Best Practices 270

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 207

Performance Best Practices Architecture Monitoring 207

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 246

Testing Best Practices Testing Tools Monitoring 246

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

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 Google Benchmarking Metrics 145

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 147

Best Practices DevOps Open Source Cloud 147

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 85

Performance Best Practices Metrics Mobile 85

Speed Curve

DECEMBER 19, 2023

Scanning the metrics table, I see that Last Painted Hero is 7.3s, aligning with what I see in the filmstrip. On the mobile agent I tested with, the size of the text element above the image is larger than my image. Always test on different form factors – desktop and mobile at a minimum.

Performance Testing 72

Performance Testing Testing Performance Mobile 72

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 73

Google Engineering Speed Mobile 73

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

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

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

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 97

Testing Performance Testing Website Code 97

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

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

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 78

Performance Metrics Code Testing 78

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.

Testing Tools 65

Testing Tools Java Performance Testing Testing 65

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 125

Media Cache Website Mobile 125

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 83

Testing Benchmarking Performance Testing Metrics 83

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

MAY 9, 2022

WebPageTest is one of the few web performance testing tools that actually tests a reload of the page using a primed HTTP Cache — most of the other tools just flag if your HTTP resources are not explicitly set to be cached. When investigating the impact on your site look at all available metrics for any improvement.

Cache 106

Cache Games Performance Website 106

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

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 Performance Testing 52

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

Percona

DECEMBER 20, 2018

With the Percona Database Performance Blog, Percona staff and leadership work hard to provide the open source community with insights, technical support, predictions and metrics around multiple open source database software technologies. How to Restore MySQL Logical Backup at Maximum Speed. About ZFS Performance.

Database 48

Database Tuning Performance AWS 48

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 Website Monitoring 52

Speed Curve

DECEMBER 16, 2024

Our biggest achievements this year have centred on making it easier for you to: Gather more meaningful real user monitoring (RUM) data Get actionable insights from Core Web Vitals Simplify your synthetic testing Get expert performance coaching when and how you need it Keep reading to learn more.

Cache 52

Cache Google Metrics Hardware 52

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

Rigor

FEBRUARY 15, 2018

I don’t have time or budget to dedicate to performance”. You don’t have the time to monitor something that affects your company’s revenue and almost every online metric your business cares about ? Most people assume gaining insight into their site’s performance is a huge time commitment. Sure, that can be the case.

Ecommerce 40

Ecommerce Retail Performance Benchmarking 40

Rigor

OCTOBER 30, 2019

Reading time 11 min As companies become more aware of the importance of web performance, internal teams begin to research tools they can use to use to track their metrics and improve the user experience of their websites and applications. When it comes to network speed, Lighthouse gives you three options – and no others.

Google 51

Google Best Practices Energy Website 51