Dynatrace

DECEMBER 9, 2020

Which metrics are relevant for your business, anyway? Modern observability tools provide many metrics, but which ones are really important for your business? Dynatrace offers more than 2000 different metrics that are ready for use as dedicated SLIs. Read more about the basics of Site Reliability Engineering below.).

Metrics 156

Metrics Engineering Google Monitoring 156

DZone

NOVEMBER 9, 2021

Saving several hours preparing and doing a design review will cost hundreds (if not thousands of hours) of fixing issues down the road.nn> unit testsnnI don’t believe that I have to say that in 2021, but I have never seen a quality product without unit tests. We live in a time when everybody is irked by manual testing.

Software 245

Software Software Code Energy 245

Smashing Magazine

AUGUST 10, 2023

Running A Page Speed Test: Monitoring vs. Measuring Running A Page Speed Test: Monitoring vs. Measuring Geoff Graham 2023-08-10T08:00:00+00:00 2023-08-10T12:35:05+00:00 This article is sponsored by DebugBear There is no shortage of ways to measure the speed of a webpage. Lighthouse results. And kept doing that over time.

Speed 81

Speed Monitoring Testing Network 81

Smashing Magazine

APRIL 19, 2021

Google has announced that from 1st May, they will start to consider “Page Experience” as part of Search ranking , as measured by a set of metrics called Core Web Vitals. even the Google tools like PageSpeed Insights and the Core Web Vitals report in Google Search Console seem to give confusing information. Barry Pollard.

Google 140

Google Metrics Mobile Analytics 140

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. I’m hopeful this can serve as a good introduction for any developer interested in learning about how to work with Google Lighthouse programmatically.

Google 82

Google Latency Website Metrics 82

Speed Curve

MARCH 7, 2022

How does page bloat affect other metrics, such as Google's Core Web Vitals? A Google machine-learning study I participated in a few years ago found that the total number of page elements was the single greatest predictor of conversions. This falls short of Google's threshold of 2.5 How does page bloat hurt your business?

Mobile 145

Mobile Benchmarking Google Metrics 145

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). Yet those metrics don’t tell us the whole picture about the rendering experience.

Google 130

Google Analytics Metrics Speed 130

DZone

FEBRUARY 27, 2021

But these are definitely ruled out for enterprise applications due to the complexity in development, maintainability, need for object orientation, and interoperability. According to other comparisons [Google for 'Performance of Programming Languages'] spread over the net, they clearly outshine others in all speed benchmarks.

Java 207

Java C++ Benchmarking Programming 207

Speed Curve

FEBRUARY 15, 2021

Web pages are unbelievably complex, and there are hundreds of different metrics available to track. A performance budget is a threshold that you apply to the metrics you care about the most. This is when you run into three important questions: Which metrics should you focus on? Which metrics should you focus on?

Performance 133

Performance Metrics Benchmarking Google 133

The Morning Paper

JUNE 18, 2019

Nines are not enough: meaningful metrics for clouds Mogul & Wilkes, HotOS’19. The authors of today’s paper should know a thing or two about that: Jeffrey Mogul and John Wilkes at Google 1 ! It’s hard to define good SLOs, especially when outcomes aren’t fully under the control of any single party. The last word.

Metrics 79

Metrics Cloud Google Network 79

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. How do you make a system ‘observable’? So, what do I do?

IoT 163

IoT Infrastructure Monitoring Innovation 163

Speed Curve

JULY 31, 2023

Google's Core Web Vitals are an attempt to help folks new to web performance focus on three key metrics. Old-school CLS In May 2020, Google introduced CLS as part of Core Web Vitals. I've always found it odd that Google left the representation of CLS as a decimal score. As we all know, naming things is hard.

Google 52

Google Metrics Testing Performance 52

Speed Curve

MAY 1, 2023

A performance budget is a threshold that you apply to the metrics you care about the most. 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. Which metrics should you start with?

Performance 98

Performance Metrics Media Google 98

Dynatrace

MAY 28, 2020

Keptn uses SLO definitions to automatically configure Dynatrace or Prometheus alerting rules. While Google’s SRE Handbook mostly focuses on the production use case for SLIs/SLOs, Keptn is “Shifting-Left” this approach and using SLIs/SLOs to enforce Quality Gates as part of your progressive delivery process.

Engineering 198

Engineering Performance Metrics Best Practices 198

Smashing Magazine

OCTOBER 24, 2023

Writing a hand-spun analytics tracking dashboard isn’t what my clients really want to pay me for, so I’ll drop in the ol’ Google Analytics script and maybe never think of it again. You can see that Lighthouse does indeed provide that metric. It replaces the First Input Delay (FI D ) metric. Analytics is a good example.

Google 91

Google Analytics Traffic Metrics 91

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 95

Traffic Metrics Google Monitoring 95

CSS - Tricks

JUNE 25, 2020

And it’s not just “I can’t use CSS grid because IE 11 has 1.42% of global usage still” stuff, it’s about measuring metrics that matter to your site, no matter what they are. Performance metrics are a big one. When you’re doing performance testing, much of it is what you would call synthetic testing.

Analytics 93

Analytics Google Metrics Performance Testing 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). Yet those metrics don’t tell us the whole picture about the rendering experience.

Google 100

Google Analytics Metrics Speed 100

MachMetrics

DECEMBER 14, 2019

Similar to our article Average Page Load Times for 2018 , we’ll go over the averages for metrics and help you determine if your site is faster or slower than average. 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.

Best Practices 105

Best Practices Speed Mobile Google 105

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). What are paint timing metrics?

Metrics 49

Metrics Performance Testing Testing Internet 49

Speed Curve

DECEMBER 4, 2023

Earlier this year, when Google announced that Interaction to Next Paint (INP) will replace First Input Delay (FID) as the responsiveness metric in Core Web Vitals in *gulp* March of 2024, we had a lot to say about it. TLDR: FID doesn't correlate with real user behavior, so we don't endorse it as a meaningful metric.) for mobile.

Mobile 54

Mobile Performance Metrics Google 54

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. The newcomer to the scene was Cumulative Layout Shift (CLS), and, not surprisingly, it's the metric that's gotten the most questions. recommended by Google. It's definitely worth a read.).

Retail 80

Retail Benchmarking Google Metrics 80

Dynatrace

APRIL 30, 2019

Most of the time is taken by quality or release engineers looking at test results, comparing them with previous builds or walking through a checklist of items that accumulated over the years in order to harden their release acceptance process. Introducing Pitometer: Metrics-based Deployment Validation in your CI/CD.

Architecture 126

Architecture Open Source Azure Metrics 126

Smashing Magazine

DECEMBER 19, 2021

So, Smashing Magazine knows about web performance, and if they were struggling, then this could be an interesting test case to look at! LCP, or Largest Contentful Paint , is one of the three Core Web Vitals that you must “pass” to get the full search ranking boost from Google as part of their Page Experience Update.

Google 143

Google Traffic Mobile Website 143

Testsigma

DECEMBER 12, 2020

This results in cross-browser compatibility issues and testing them out is cross-browser testing. But just like any other testing paradigm, cross-browser testing is full of challenges and we will explore them in this post along with some arrangements that can help smoothen the ride a bit! What is Cross-Browser Testing?

Testing 53

Testing Operating System Website Latency 53

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. Importance of page loading speed – Google checks your website load time and they like it as fast with a better user experience.

Cache 78

Cache Speed Google Website 78

The Morning Paper

MAY 21, 2019

This makes memory a critical factor in the total cost of ownership (TCO) of large compute clusters, or as Google like to call them “Warehouse-scale computers (WSCs).” ” This paper describes a “far memory” system that has been in production deployment at Google since 2016. Enter zswap!

Software 78

Software Software Google Hardware 78

Smashing Magazine

JANUARY 11, 2021

LogRocket tracks key metrics, incl. Getting Ready: Planning And Metrics Performance culture, Core Web Vitals, performance profiles, CrUX, Lighthouse, FID, TTI, CLS, devices. Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts. Table Of Contents.

Performance 145

Performance Cache Media Metrics 145

The Morning Paper

SEPTEMBER 22, 2019

The secret sharer: evaluating and testing unintended memorization in neural networks Carlini et al., Take a system trained to make predictions on a language (word or character) model – an example you’re probably familiar with is Google Smart Compose. USENIX Security Symposium 2019. Wrapping up.

Network 55

Network Testing Strategy Google 55

Tim Kadlec

MARCH 19, 2018

You have to consider at least four different contexts: How well does AMP perform in the context of Google search? How well does AMP perform in the context of Google search? But what you don’t see is that Google gets that instantaneous loading by actively preloading AMP documents in the background. 90th Percentile.

Cache 79

Cache Google Speed Metrics 79

Alex Russell

JULY 14, 2021

Google's Search App and Facebook's various apps for Android undermine these choices in slightly different ways. [3] Developers also suffer higher costs and reduced opportunities to escape Google, Facebook, and Apple's walled gardens. Both pass all eighteen feature tests in Thomas Steiner's excellent ??? " you might ask?

Google 121

Google Mobile Engineering Internet 121

Smashing Magazine

JUNE 2, 2021

Every front-end developer is chasing the same holy grail of performance: green scores in Google Page Speed. Add to that the payment provider drop-in, and you have yourself some pages that no one will want to touch once they have been properly tested and work. Improving The Performance Of An Online Store (Case Study). Jennifer Brehm.

Performance 116

Performance Cache Website Mobile 116

Smashing Magazine

JANUARY 6, 2020

Getting Ready: Planning And Metrics. Testing And Monitoring. Getting Ready: Planning And Metrics. You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about.

Performance 145

Performance Cache Network Metrics 145

Dean Hume

SEPTEMBER 21, 2016

Whilst web page load time is an important metric to measure, it doesn't tell the whole picture. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. speedindex-test. Under the hood, the Speed Index library is really clever.

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

Whilst web page load time is an important metric to measure, it doesn't tell the whole picture. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. speedindex-test. Under the hood, the Speed Index library is really clever.

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

Whilst web page load time is an important metric to measure, it doesn't tell the whole picture. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. speedindex-test. Under the hood, the Speed Index library is really clever.

Speed 40

Speed Analytics Google Retail 40

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. Clicking the “Generate report” button will run a series of tests on the web page and display the results right there in the Lighthouse tab. Setting up the Lighthouse CI locally.

Performance 78

Performance Storage Servers Virtualization 78