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. As the person responsible for the performance of this page, you don't want to see it get worse than this while you work to make things faster.

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Smashing Magazine

DECEMBER 7, 2023

Preparing For Interaction To Next Paint, A New Web Core Vital Preparing For Interaction To Next Paint, A New Web Core Vital Geoff Graham 2023-12-07T21:00:00+00:00 2023-12-08T00:07:18+00:00 This article is sponsored by DebugBear There’s a change coming to the Core Web Vitals lineup. That’s what this article is all about.

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Traffic Metrics Google Monitoring 94

MachMetrics

FEBRUARY 27, 2020

If you’re not a developer/designer, you may not be familiar with the Chrome DevTools and the extremely powerful Google Lighthouse Audits that can be found inside. However, you have likely used the Web UI that Google uses to allow you to test websites for speed – Google PageSpeed Insights. What Does Google Lighthouse Test?

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Smashing Magazine

APRIL 19, 2021

An In-Depth Guide To Measuring Core Web Vitals. An In-Depth Guide To Measuring Core Web Vitals. 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. It’s there to measure the interactivity of a page.

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Smashing Magazine

MAY 20, 2020

This article will help you with exactly that. The metrics selection is outside of the scope of this article and depends highly on the project context, but I recommend that you start by reading User-centric Performance Metrics by Philip Walton. How To Make Performance Visible With GitLab CI And Hoodoo Of GitLab Artifacts. Anton Nemtsev.

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Performance Metrics Best Practices Code 98

CSS - Tricks

JULY 25, 2019

This article is from my friend Ben who runs Calibre , a tool for monitoring the performance of websites. In this article, we uncover how PageSpeed calculates it’s critical speed score. In this article, we uncover how PageSpeed calculates it’s critical speed score. Recommended! PageSpeed 5.0 In PageSpeed 5.0,

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Google Engineering Speed Mobile 71

Smashing Magazine

APRIL 29, 2021

CWV is part of a set of page experience signals Google Search will be evaluating for ranking. E.g. LCP measures when the largest contentful element (images, text) in a user’s viewport, such as one of these images, becomes visible. This allows a browser to determine when the main content of the page has finished rendering.

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Media Network Metrics Mobile 145

Smashing Magazine

SEPTEMBER 11, 2020

An Introduction To Running Lighthouse Programmatically. An Introduction To Running Lighthouse Programmatically. Lighthouse is Google’s suite of website quality analysis tools. One of the simplest ways to run Lighthouse is through Chrome’s DevTools Lighthouse panel. Customizing Lighthouse Options.

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Speed Curve

FEBRUARY 25, 2024

INP measures how responsive a page is to visitor interactions. It measures the elapsed time between a tap, a click, or a keypress and the browser next painting to the screen. Individual pages can be spot checked via the CrUX API or tools such as Page Speed Insights But as Cliff's already covered in How to find (and fix!)

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Smashing Magazine

JANUARY 11, 2021

Getting Ready: Planning And Metrics Performance culture, Core Web Vitals, performance profiles, CrUX, Lighthouse, FID, TTI, CLS, devices. Testing And Monitoring Auditing workflow, proxy browsers, 404 page, GDPR cookie consent prompts, performance diagnostics CSS, accessibility. Download The Checklist (PDF, Apple Pages, MS Word).

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Smashing Magazine

DECEMBER 19, 2021

I’ve written a few articles here before on Core Web Vitals, and am always interested to see what’s in their annual Web Performance Checklist. 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.

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Google Traffic Mobile Website 143

CSS - Tricks

JUNE 1, 2021

I’m going to cover the most popular and widely used types of tests in this article. In fact, there are many types of tests and perhaps that is where some of the initial fear or confusion comes from. This might be nothing new to some of you, but it can at least serve as a refresher. Integration. Accessibility. Visual regression.

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Testing Performance Testing Website Code 95

Smashing Magazine

MAY 9, 2022

With that caveat out of the way, let’s get to the guts of the article: What is the Back/Forward Cache and why does it matter so much? As its name implies, this is a special cache used to remember the web page as you browse away from that web page, so if you browse back to it later, it can load a lot quicker.

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Cache Games Performance Website 91

Smashing Magazine

MAY 6, 2021

Our themes had pretty good speed scores for how much they offered, but they were undoubtedly bloated. Shopify themes are powerful in that they let merchants move elements around the page however they want. Improving The Performance Of Shopify Themes (Case Study). Carson Shold. 2021-05-06T11:00:00+00:00. 2021-05-06T14:08:46+00:00.

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MachMetrics

JUNE 30, 2021

Website performance & speed plays a major role in the success of an online business. In this article, we will particularly look at the average page load time in 2021 and importance of web vitals. We usually consider a site fast when its pages load in lesser than 3 seconds. That’s a big problem.”

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Cache Speed Google Website 78

Rigor

JANUARY 8, 2020

Reality: While it’s true that when there’s a web performance budget in place, teams need to keep it in mind when updating code or site design, this doesn’t have to impact the speed at which these updates happen. JavaScript processing times for CNN.com as measured by WebPageTest (src). Five Common Myths About Web Performance Budgets.

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Performance Mobile Metrics Speed 122

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. Work out what your priorities are, how you can measure progress, and the limitations of the available data.

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Smashing Magazine

JUNE 2, 2021

Every front-end developer is chasing the same holy grail of performance: green scores in Google Page Speed. In this article, I’ll highlight some of the work we did and how we were able to achieve our speed. This Lighthouse mobile report for the front page showed that a lot of work needed to be done.

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Performance Cache Website Mobile 115

Smashing Magazine

JUNE 1, 2022

In this article, we will review what third-party resource requests are, consider how impactful they can be to the user experience, and discuss common optimization strategies to reduce the impact on the user experience. All other requests that happen when visitors load your pages can be attributed to other parties. Ken Harker.

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Jos

JUNE 2, 2018

Google’s Lighthouse is one of them, which shows information about PWA, SEO and more. A screenshot of Lighthouse 3.0, A screenshot of Lighthouse 3.0, The prioritization should be objective and based on measurable hypothesis. “We Moving over to web, the performance problems are different.

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Performance Speed Google Media 237

Smashing Magazine

NOVEMBER 17, 2022

This article is sponsored by Storyblok. 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. It is both the objective measurement and the perceived user experience (UX) of an application. Alba Silvente. 2022-11-17T10:00:00+00:00. Conclusion.

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Media Cache Website Mobile 105

Smashing Magazine

JUNE 2, 2021

Cumulative Layout Shift (CLS) attempts to measure those jarring movements of the page as new content — be it images, advertisements, or whatever — comes into play later than the rest of the page. It calculates a score based on how much of the page is unexpectedly moving about, and how often. Barry Pollard.

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Media Metrics Website Google 125

Smashing Magazine

MARCH 25, 2021

Unquestionably, media enlivens websites, adding appeal, excitement, and intrigue, let alone enticements to stay on a page and frequently revisit it. A case in point: a page-load slowdown of a mere second could cost Amazon $1.6 Of the many factors that affect page-load speed, media is a significant one. “A

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Media Performance Mobile Latency 117

CSS - Tricks

JULY 15, 2020

We will use continuous performance testing and Google Lighthouse to audit every change. Our site will start with a top Lighthouse performance score of 100. To add Lighthouse to the mix, we need a Gatsby production build. We can use Vercel to host the site, giving Lighthouse a way to runs its tests. A 33% reduction!

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Cache Google Analytics Servers 71

MachMetrics

MARCH 21, 2020

Chrome’s DevTools suite contains some of the most powerful tools available to help you analyze and improve the speed of your website (or web app). In our most recent article , we covered one area of the DevTools that we can use to measure the load time of our site – the ‘Audit’ tab. To improve your site!

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Speed Performance Google Mobile 99

Smashing Magazine

JANUARY 6, 2020

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Download The Checklist (PDF, Apple Pages, MS Word). You can also just download the checklist PDF (166 KB) or download editable Apple Pages file (275 KB) or the.docx file (151 KB). Quick Wins.

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Performance Cache Network Metrics 145

Speed Curve

DECEMBER 20, 2021

In the past year we've expanded your tracking, budgeting, and alerting capabilities to help you get more insight into how these metrics measure user experience on your site. We show you screenshots of the visual elements on your pages that contribute to page jank. We're so happy to have him on Team SpeedCurve!

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Retail Benchmarking Metrics Website 52

Smashing Magazine

AUGUST 15, 2023

This metric measures the time it takes, in seconds, to render the largest image or text block that is visible on the initial load. That’s practically an eternity when talking about page speed performance. 400 pages , jam-packed with in-depth user research and best practices. Download and parse the CSS. Download the image.

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Media Metrics Mobile Best Practices 73

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Download The Checklist (PDF, Apple Pages, MS Word). You can also just download the checklist PDF (166 KB) or download editable Apple Pages file (275 KB) or the.docx file (151 KB). Quick Wins.

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Smashing Magazine

FEBRUARY 2, 2022

Projects built using JavaScript-based frameworks often ship large bundles of JavaScript that take time to download, parse and execute, blocking page render and user input in the process. The JavaScript bundle for our web app consists of the following six pages contained in individual components. Four public pages. Adrian Bece.

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Code Performance Network Website 89

Jos

JUNE 2, 2018

Google’s Lighthouse is one of them, which shows information about PWA, SEO and more. A screenshot of Lighthouse 3.0, 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 …. presented in Google IO 2018 ( source ).

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Performance Speed Google Media 130

Rigor

SEPTEMBER 11, 2019

list of those who are making a significant impact on speeding up the web today. Developers representing hundreds of companies work together at these meetups to become masters in performance metrics and the latest trends in measuring site speed.) We at Rigor respect many web performance leaders around the world. Rachel Andrew.

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Performance Education Google Website 89

Smashing Magazine

MARCH 9, 2020

Web performance advocates have often advised to add dimensions to your images for best performance to allow the page to be laid out with the appropriate space for the image, before the image itself has been downloaded. Take for example this simple page: <h1>Your title</h1> <p>Introductory paragraph.</p>

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Website Code Mobile Network 125

Smashing Magazine

AUGUST 9, 2019

One way this can be achieved is through the use of methodologies such as Object-Oriented CSS (OOCSS), which rather than organizing CSS around page context, encourages separating structure (grid systems, spacing, widths, etc.) In this article, we’ll start by exploring the impact unused CSS can have on page load speeds.

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Performance C++ Media Website 94

Alex Russell

OCTOBER 22, 2017

We constrain ourselves to a real-world baseline device + network configuration to measure progress. Most partners we work with are not aware of the real-world operating environment and make inappropriate technology choices as a result. We’ve had the pleasure of working with dozens of teams over the past few years. Setting A Baseline.

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Performance Benchmarking Network Mobile 68

Smashing Magazine

SEPTEMBER 3, 2021

This piece will cover some of my experiences in doing this, as well as my current thoughts on optimizing websites for carbon emissions , and some practical examples of things you can do to improve your own pages. One tool that uses this data to estimate the carbon emissions of a single page is the Website Carbon Calculator.

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Website Energy Internet Internet 135

Alex Russell

FEBRUARY 3, 2023

They understood that most websites lack tight latency budgeting, dedicated performance teams, hawkish management reviews, ship gates to prevent regressions, and end-to-end measurements of critical user journeys. For most of the past decade, I have spent a considerable fraction of my professional life consulting with teams building on the web.

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Social Media Website Technology Technology 119