MachMetrics

FEBRUARY 27, 2020

However, you have likely used the Web UI that Google uses to allow you to test websites for speed – Google PageSpeed Insights. Lighthouse is a completely open-source tool that allows users to test any website in a multitude of ways. While PageSpeed Insights focuses solely on speed/performance, Lighthouse offers even more.

Google 82

Google Speed Testing Tools Testing 82

MachMetrics

JULY 15, 2020

However, if utilized carelessly, CSS can greatly affect our page speed. When a user requests a website, the browser must process all the information available to determine the layout and style. If your website is built more like this… Pro Tip: Don’t have 21 external stylesheets. Perform an Audit of Your Site.

Speed 78

Speed Website Cache Google 78

Speed Curve

DECEMBER 10, 2017

Network metrics have been around for decades, but rendering metrics are newer. Speed Index. These are a few of the rendering metrics that currently exist. A brief history of performance metrics. Metrics quantify behavior. In the old days, the main time-based performance metric was window.onload.

Metrics 69

Metrics Website Speed Monitoring 69

Dynatrace

DECEMBER 2, 2021

For example, an SLA between a web host provider and customer can guarantee 99.95% uptime for all web services of a company over a year. For example, if the SLA for a website is 99.95% uptime, its corresponding SLO could be 99.95% availability of the login services. For example, if your SLO guarantees 99.5% What are SLOs?

Metrics 187

Metrics Best Practices DevOps Infrastructure 187

Dynatrace

JULY 29, 2022

It’s also common for teams, as part of their log monitoring practice, to write business metrics to a log that can then be tracked on a dashboard or trigger an alert. In late 2021, for example, digital forensics was central to combating the Log4Shell vulnerability. Peak performance analysis. Better-quality code. Indexing overhead.

Analytics 211

Analytics Storage Retail Monitoring 211

Speed Curve

OCTOBER 25, 2023

Fight regressions and stay fast It's easier to make a fast website than it is to keep a website fast. Fighting regressions should be the top priority of anyone who cares about the speed of their site. The best way to fight regressions is to create performance budgets on key metrics, and get alerted when they go out of bounds.

Benchmarking 62

Benchmarking Metrics Website Monitoring 62

Dynatrace

MAY 27, 2022

Each piece of the AIOps triumvirate plays a crucial role in the automation process to speed innovation. An example of the self-healing web. For example, a typical use case involves a web server running an analytics and reporting system. An example of service self-healing using Ansible.

Artificial Intelligence 183

Artificial Intelligence Innovation Servers Database 183

Dynatrace

JUNE 1, 2023

Certain service-level objective examples can help organizations get started on measuring and delivering metrics that matter. Teams can build on these SLO examples to improve application performance and reliability. In this post, I’ll lay out five SLO examples that every DevOps and SRE team should consider.

Traffic 173

Traffic Latency Website Virtualization 173

Dynatrace

JULY 29, 2022

It’s also common for teams, as part of their log monitoring practice, to write business metrics to a log that can then be tracked on a dashboard or trigger an alert. In late 2021, for example, digital forensics was central to combating the Log4Shell vulnerability. Peak performance analysis. Better-quality code. Indexing overhead.

Analytics 178

Analytics Storage Retail Monitoring 178

Jos

MARCH 13, 2020

Web Performance is important for user experience and business metrics. Look, there are many case studies proving a correlation between loading time and business metrics!” ?-?I Plotting Business Metrics vs Performance Metrics Think about what you are trying to drive on your existing site. I would repeat over and over.

Performance 130

Performance Google Mobile Analytics 130

Dynatrace

OCTOBER 28, 2019

For example, as a business owner, you might want to view your conversion goals in context with your application’s error rates. Easily compare and view trends on multiple metrics with the new visualization. They can make your website more dynamic, but they can also make it slower. How many website errors do we have?

Website 102

Website Metrics Tuning Analytics 102

Dynatrace

DECEMBER 20, 2021

Session replay is an IT technology that creates anonymized video-like recordings of actions taken by users interacting with your website or mobile application. For example, the <body> element of your page exists on one branch of this tree structure, with any <img> assets branching off. What is session replay?

Mobile 243

Mobile Website Analytics Cache 243

CSS Wizardry

AUGUST 7, 2019

However, one metric I feel that front-end developers overlook all too quickly is Time to First Byte (TTFB). A trip from a device in London to a server in New York has a theoretical best-case speed of 28ms over fibre, but this makes lots of very optimistic assumptions. For example, request collapsing , edge-side includes , etc.).

Latency 269

Latency Ecommerce Servers Mobile 269

Smashing Magazine

DECEMBER 17, 2020

Implementing SEO best practice doesn’t just give you the best chance possible of ranking well in search engines; it makes your websites better by scrutinizing quality, design, accessibility, and speed, among other things. Following best practice usually means a better website, more organic traffic, and happier visitors.

Engineering 130

Engineering Google Website Analytics 130

Speed Curve

JULY 10, 2023

Demonstrating the impact of performance on your users – and on your business – is one of the best ways to get your company to care about the speed of your site. The performance of your website can make or break engagement with your users. Conversions are one example of custom data you can collect in SpeedCurve.

Performance 52

Performance Metrics Traffic Speed 52

Jos

JUNE 2, 2018

At the same time, they open a door to lots of concepts that might be overwhelming: PRPL, RAIL, Paint Timing API, TTI, HTTP/2, Speed Index, Priority Hints and more … Why Performance doesn’t get Prioritized Web performance at organizations is a real challenge. One could argue this is a metric-driven decision. Well, not so fast.

Performance 237

Performance Speed Google Media 237

Dynatrace

MARCH 10, 2021

They collect metrics and raise alerts, but they provide few answers as to what went wrong in the first place. Davis—the Dynatrace AI engine —uses the application topology and service flow maps together with high-fidelity metrics to perform a fault tree analysis. An Example of Accelerating Modernization and Migration to the Cloud.

AWS 143

AWS Cloud Artificial Intelligence Innovation 143

Percona

JUNE 22, 2023

Let’s dive in and learn how (and what) to effectively monitor MySQL performance, along with examples from PMM, by understanding the critical KPIs to watch for. Query performance Query performance is a key performance indicator (KPI) in MySQL, as it measures the efficiency and speed of query execution.

Performance 106

Performance Monitoring Traffic Database 106

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 134

Performance Metrics Benchmarking Google 134

CSS Wizardry

APRIL 22, 2020

One of the more fundamental rules of building fast websites is to optimise your assets, and where text content such as HTML, CSS, and JS are concerned, we’re talking about compression. ReactDOM, for example, ends up 27% smaller when compressed with maximum-level Brotli compression (11) as opposed to with maximum-level Gzip (9).

Latency 269

Latency Servers Website Speed 269

MachMetrics

JANUARY 16, 2020

Optimizing your images is often the very first suggestion that any performance writer or consultant will make when it comes to optimizing a website. This is great for performance because if the user doesn’t end up scrolling down that far, the image doesn’t load at all, shaving valuable time from our loading metrics.

Speed 89

Speed Website Metrics Cache 89

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. The total is your Speed Index score!" speedindex-test.

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. The total is your Speed Index score!" speedindex-test.

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. The total is your Speed Index score!" speedindex-test.

Speed 40

Speed Analytics Google Retail 40

Smashing Magazine

OCTOBER 27, 2021

Imagine, for example, that you test a prototype but discover that users are not interacting with the interface how they are supposed to. This is one example of the benefits of using eye-tracking. They used eye-tracking to measure visual attention on banners, animated graphics, and navigational tools in websites. Mariana Macedo.

Mobile 111

Mobile Website Hardware Social Media 111

Smashing Magazine

NOVEMBER 22, 2021

Improving The Performance Of Wix Websites (Case Study). Improving The Performance Of Wix Websites (Case Study). We deployed these enhancements gradually over time to ensure that our users didn’t experience any disruptions, but instead only a consistent improvement of their site speed. Dan Shappir. 2021-11-22T10:30:00+00:00.

Website 126

Website Performance Google Media 126

Rigor

JANUARY 13, 2020

Reading time 1 min Why share the library of the web performance books while there’s a substantial collection of fantastic websites and articles on the net? How to pioneer new metrics and create a culture of performance. High Performance Websites. Even Faster Websites. Want your web site to display more quickly?

Performance 75

Performance Social Media Website Website Performance 75

Dynatrace

MAY 5, 2021

Establishing clear, consistent, and effective quality gates that are automatically validated at each phase of the delivery pipeline is essential for improving software quality and speeding up delivery. Automating quality gates creates reliable checks and balances and speeds up the process by avoiding manual intervention.

Benchmarking 179

Benchmarking Latency Speed Software 179

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. But it comes with caveats.

Speed 97

Speed Google Website Metrics 97

Rigor

NOVEMBER 22, 2019

According to Tim Kadlec : A performance budget is a clearly defined limit on one or more performance metrics that the team agrees not to exceed and that is used to guide design and development. A website’s speed makes the difference in whether users visit a site or not, so performance matters a great deal.

Performance 45

Performance Metrics Website Speed 45

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

APRIL 3, 2018

We're excited to announce that we've launched Last Painted Hero as an official metric. Last Painted Hero is a synthetic metric that shows you when the last piece of critical content is painted. When choosing the right performance metric, my soapbox for the last few years has been "not every pixel has the same value".

Metrics 56

Metrics Website Speed Media 56

O'Reilly

APRIL 30, 2024

For example, Amazon’s millions of users rely on its product search algorithms to show them the best products available for sale, since they are unable to inspect each product individually. But it is far from alone. For social media platforms, this was addictive content to increase time spent on platform at any cost to user health.

Social Media 88

Social Media Artificial Intelligence Innovation Logistics 88

Smashing Magazine

DECEMBER 19, 2021

Previous metrics measured variations of the first paint to screen (often this was a header or background color); incidentally content that isn’t really what the user actually wants to get out of the page. And the “contentful” part of the name shows this metric is intended to ignore (e.g. And NOW we were finally done. Why is that?

Google 143

Google Traffic Mobile Website 143

KeyCDN

AUGUST 15, 2019

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. Quantitative performance testing looks at metrics like response time while qualitative testing is concerned with scalability, stability, and interoperability.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

Smashing Magazine

MAY 9, 2022

Ensuring your website caches most of its assets for future uses has long been touted as essential for web performance. Going back to the example of visiting a home page and then going to an article page. Many sites don’t cache the HTML document itself, for example, and only the resources. Here’s an experiment for you.

Cache 91

Cache Games Performance Website 91

Speed Curve

JUNE 24, 2019

Keep reading to learn how you can apply these best practices to your own site and give your pages a speed boost. The critical rendering path is the set of steps browsers must take to convert HTML, CSS and JavaScript into living, breathing websites. Build a performance culture that embraces collaboration between design and dev.

Performance 78

Performance Best Practices Metrics Mobile 78