Speed Curve

FEBRUARY 15, 2021

Performance budgets are one of those ideas that everyone gets behind conceptually, but then are challenged to put into practice – and for very good reason. Web pages are unbelievably complex, and there are hundreds of different metrics available to track. > Speed Index (Synthetic). > Last Painted Hero (Synthetic).

Performance 134

Performance Metrics Benchmarking Google 134

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. This is where Element Timing comes in. Learn more here.

Performance 57

Performance Metrics Speed Google 57

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

Dynatrace

MAY 28, 2020

Keptn uses SLO definitions to automatically configure Dynatrace or Prometheus alerting rules. To pass information such as Test Step Name (TSN), Load Test Name (LTN), Load Script Name (LSN), Virtual User Id (VU) and others we can follow the load testing integration best practice as documented in Dynatrace and load testing tools integration.

Engineering 192

Engineering Performance Metrics Best Practices 192

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

OCTOBER 24, 2023

Large preview ) That’s a nice big view and is a good illustration of TBT’s impact on page speed. That’s a lifetime in web seconds, particularly considering that this test is based on a desktop experience on a high-speed connection. But does it need to be available immediately ? The user is forced to wait a whopping 4.1

Google 90

Google Analytics Traffic Metrics 90

CSS - Tricks

APRIL 1, 2021

Speed is also something Google considers when ranking your website placement on mobile. With all of this in mind, I thought improving the speed of my own version of a slow site would be a fun exercise. The code for the site is available on GitHub for reference. On the flip side, Firefox made their webpages load 2.2

Cache 92

Cache Social Media Media Website 92

Percona

AUGUST 30, 2023

Hot backups vs. cold backups: A hot backup — used to minimize downtime and ensure data availability for critical applications — allows you to create a copy of a database while the system is still actively serving user requests and processing transactions. In a cold backup, the database is taken offline. .”

Database 89

Database Hardware Open Source Strategy 89

CSS Wizardry

MARCH 3, 2019

If there is a newer file available on the server, we definitely want to download it. We’ve talked a lot so far about revalidation: the process of the browser making the trip back to the server to check whether a fresher file might be available. Caching best practices & max-age gotchas. Clear-Site-Data.

Cache 264

Cache Latency Strategy Servers 264

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

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 94

Performance Design Speed Testing 94

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 110

Performance Design Best Practices Testing 110

Rigor

JULY 11, 2019

The Time to First Byte (TTFB) metric (also known as First Byte) measures the speed with which your server delivers content to the user. <200 ms “fast” TTFB is based on the server responsiveness best practice recommendation. TTI relates to conversion rates (and “rage click” rates as well).

Ecommerce 87

Ecommerce Metrics Website Mobile 87

The Netflix TechBlog

DECEMBER 3, 2022

Workflow Definitions Below you can see a typical file structure of a sample workflow package written in SparkSQL. ??? In every sample workflow package there are three workflow definition files that work together to provide flexible functionality. See an example high water mark job from the main workflow definition. -

Best Practices 358

Best Practices Code Testing Data Engineering 358

CSS - Tricks

MARCH 16, 2020

Google Lighthouse is one of the best-automated tools available on a web developer's utility belt. These are: Performance Accessibility Best Practices SEO Progressive Web App. If not, then check your Node installation is working and you’re definitely in the correct project directory. What is Google Lighthouse?

Google 82

Google Latency Website Metrics 82

Smashing Magazine

JANUARY 11, 2021

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. Note : If you use Page Speed Insights or Page Speed Insights API (no, it isn’t deprecated!),

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 7, 2019

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. Note : If you use Page Speed Insights (no, it isn’t deprecated), you can get CrUX performance data for specific pages instead of just the aggregates.

Performance 103

Performance Cache Metrics Network 103

Smashing Magazine

APRIL 9, 2019

Most sites were all hosted on a single physical server somewhere on our own hosting infrastructure, and it was the server we thought about defending when it came to security best practices. Using SRI In Your Own Projects. But it’s not limited to big projects on CDNs, you can use this yourself for your own sites.

Website 57

Website Servers Code Best Practices 57

Smashing Magazine

JANUARY 6, 2020

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. Start Render time, Speed Index ). Treo Sites provides competitive analysis based on real-world data.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JUNE 28, 2021

It definitely is. We definitely have a lot more need for UI than marketing stuff. There’s accessibility, best practices, performance and one fourth one. You just plug the theme provider in there and Chakra does the rest of the work and it just becomes available everywhere. I’ve definitely seen it.

Website 62

Website Design Open Source Software 62

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

CSS - Tricks

AUGUST 18, 2020

Yet, this criticism of React isn’t completely unwarranted: React and ReactDOM total about 120 KiB of minified JavaScript, which definitely contributes to slow startup time. While I think startup time is crucial, it’s probably inevitable that you’ll trade some amount of speed for a better developer experience.

Performance 101

Performance Mobile Servers Code 101

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.

Strategy 132

Strategy Testing Best Practices Code 132

Smashing Magazine

OCTOBER 6, 2021

The “Changes” panel should be already available by default and next to the “Computed” tab. To simplify this behavior, a best practice is to ensure your styles include resetting all elements to use border-box. Additionally, you can persist your changes by using the local overrides feature.

Design 145

Design Availability Mobile Website 145

Smashing Magazine

AUGUST 22, 2021

A Primer on Speed. Discussing performance and “speed” can quickly get complex, because many underlying aspects contribute to a web-page loading “slowly”. It is physically limited by the speed of light or, practically, how fast signals can travel in wires or in the open air. Congestion Control.

Performance 105

Performance Network Latency Servers 105

Smashing Magazine

JULY 20, 2021

Always offering services that will allow us to optimize our assets and the speed of response with which they are served to us. The goal is to provide high availability and performance by distributing the service spatially relative to end-users. “. Content Type Page fields definition in Storyblok Components section.

Website 141

Website Architecture Technology Technology 141

Smashing Magazine

SEPTEMBER 6, 2021

You would, however, be hard-pressed even today to find a good article that details the nuanced best practices. This is because, as I stated in the introduction to part 1 , much of the early HTTP/2 content was overly optimistic about how well it would work in practice, and some of it, quite frankly, had major mistakes and bad advice.

Network 104

Network Servers Cache Traffic 104