Dynatrace

DECEMBER 2, 2021

To get a better handle on this, let’s start with some definitions. SLOs are best understood as part of a framework for tracking service levels that also includes service level agreements (SLAs), service-level indicators (SLIs), and error budgets. SLO best practices. What are SLAs, SLOs, SLIs, and error budgets?

Metrics 196

Metrics Best Practices DevOps Infrastructure 196

Dynatrace

MAY 28, 2020

Keptn uses SLO definitions to automatically configure Dynatrace or Prometheus alerting rules. If you’re short on time, or want to see all of this in action instead then, please check out my Performance Clinic: Automated SRE-driven Performance Engineering with Dynatrace ” Step #1: Monitoring your test environment.

Engineering 195

Engineering Performance Metrics Best Practices 195

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. For each of these metrics, I've included what type of tool you can use to track them: synthetic and/or real user monitoring (RUM). > Can I use it?

Performance 133

Performance Metrics Benchmarking Google 133

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

Speed Curve

DECEMBER 20, 2023

Easier to fight regressions Integrating SpeedCurve into your development pipeline – so you can take advantage of performance budgets and alerts to catch issues before (or right after) they go into production – has been a popular practice over the last several years. Learn more here. Send us a note at support@speedcurve.com.

Performance 57

Performance Metrics Speed Google 57

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? Rule owners are responsible for making sure the requirements match the rule definition and request context.

Mobile 209

Mobile Engineering Infrastructure Scalability 209

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. Large preview ) That’s a nice big view and is a good illustration of TBT’s impact on page speed. The user is forced to wait a whopping 4.1 That’s where INP comes into play.

Google 91

Google Analytics Traffic Metrics 91

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

Smashing Magazine

AUGUST 3, 2023

Core Web Vital metrics definitions. Largest Contentful Paint (LCP) LCP measures the perceived load speed of a webpage from a user’s perspective. I know that is a lot of information to unpack in a single sitting, and it definitely took our team time to wrap our minds around what it takes to achieve a low LCP score.

Performance 74

Performance Cache Traffic Metrics 74

Rigor

JANUARY 8, 2020

If you are already monitoring and optimizing your site for performance, you can also use your existing platform to establish data-based thresholds and set alerts that notify key players when those thresholds are broken. While this article is from a few years ago, it is in every respect on par with most modern best practices.

Performance 122

Performance Mobile Metrics Speed 122

Percona

AUGUST 30, 2023

Common components of DR and HA architectures By definition, there are differences between high availability (HA) and disaster recovery (DR). Monitoring and alerting: Continuous monitoring of system health and performance is essential for both HA and DR. Automated alerts are set up to notify administrators of any issues that require attention.

Database 84

Database Hardware Open Source Strategy 84

Smashing Magazine

AUGUST 2, 2021

The development team has analyzed and pinpointed the weaknesses in the CSS codebase and has set target goals for the refactor (file size, specificity, color definitions, and so on). We’ll develop the card component in isolation and use the agreed standards and best practices. Conclusion.

Strategy 132

Strategy Testing Best Practices Code 132

Rigor

JULY 11, 2019

It’s a given that you’re monitoring your site so it’s up and running and that you’re swiftly addressing issues when they arise. We recommend the following five metrics as a good starting point for performance monitoring and optimization for ecommerce applications. This is not a complete list by any means.

Ecommerce 87

Ecommerce Metrics Website Mobile 87

Smashing Magazine

JUNE 10, 2022

Many previous reading studies investigated the effect of typography on reading speed. But we know that faster speed does not always equate to better comprehension. In fact, better comprehension is often associated with slower reading speed.” — Sofie Beier (legibility expert), “ Bringing together science and typography ”.

Performance 95

Performance Design Speed Testing 95

Smashing Magazine

JUNE 3, 2022

What would the world’s most ideal, best practice and design research-driven highly legible serif, sans serif, and slab serif possibly be like? 400 pages , jam-packed with in-depth user research and best practices. It is a very interesting idea that builds on previous best practices to find an optimal solution.

Performance 111

Performance Design Best Practices Testing 111

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. Google Lighthouse is one of the best-automated tools available on a web developer's utility belt. You should see: $ node lh.js Hello world.

Google 82

Google Latency Website Metrics 82

Smashing Magazine

JANUARY 11, 2021

This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Note : If you use Page Speed Insights or Page Speed Insights API (no, it isn’t deprecated!), Vitaly Friedman.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 7, 2019

Testing And Monitoring. You need a business stakeholder buy-in, and to get it, you need to establish a case study on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Good for raising alarms and monitoring changes over time, not so good for understanding user experience. Setting Realistic Goals.

Performance 104

Performance Cache Network Metrics 104

Smashing Magazine

JANUARY 6, 2020

Testing And Monitoring. 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. Getting Ready: Planning And Metrics. Setting Realistic Goals. Defining The Environment.

Performance 145

Performance Cache Network Metrics 145