Smashing Magazine

MAY 12, 2022

Recently Noam Rosenthal published two articles analyzing the common benefits and capabilities provided by various frameworks , and also their associated costs. I highly recommend checking out these articles. For this article, I primarily rely on insights gained from analyzing data presented using the Core Web Vitals Technology Report.

Google 127

Google Performance Website Mobile 127

Smashing Magazine

AUGUST 15, 2023

So noticeable, in fact, that Core Web Vitals has a metric all about it called Largest Contentful Paint (LCP). We can test for LCP in a number of ways. The following screenshot is taken from a test I ran through WebPageTest, resulting in an LCP of 2.4 WebPageTest waterfall timeline report. Here’s how we are approaching it.

Media 73

Media Metrics Mobile Best Practices 73

CSS Wizardry

JULY 23, 2023

For citations, quotes, proof, and evidence, read on… Site-Speed Is More Than SEO While this article is an objective look at the role of Core Web Vitals in SEO, I want to take one section to add my own thoughts to the mix. To this end, passing Core Web Vitals means Good LCP and CLS, and Good or Not enough data FID.

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Engineering Google Speed Mobile 246

Smashing Magazine

AUGUST 9, 2022

By optimizing your Core Web Vitals scores, you can gauge and improve user experience. PageSpeed Compare measures vitals like FCP, LCP, FID, CLS, and others using land and field data. Lastly, it recommends optimizations you can make to improve your page. The tool also provides LCP visualization, and shows layout shifts as well.

Performance 130

Performance Benchmarking Website Metrics 130

Smashing Magazine

OCTOBER 2, 2023

In this second article, I’ll go over some key technical highlights from the project. In the first article, I briefly discussed the technical stack that includes a React-based front-end framework, Next.js Definitely read up on the strategy and reasoning behind this stack in the first article if you missed it.

Cache 72

Cache Strategy Best Practices Design 72

Smashing Magazine

APRIL 11, 2022

Loading experience is crucial to the user’s first impression and overall usability, so Google defined Largest Contentful Paint (LCP) metric to measure how quickly the main content loads and is displayed to the user. The main content for LCP is usually the largest element located above the fold. Large preview ). Large preview ).

Media 69

Media Tuning Metrics Google 69

Smashing Magazine

MARCH 19, 2021

Ironically, at the moment of publishing that article in late February, we still had floating labels used in most of our forms, and we wanted to explore if removing them would actually help us improve the overall experience on the site. On February 19th, most of our articles landed in the red zone. Floating Labels Are Gone.

Mobile 140

Mobile Design Cache Code 140

Speed Curve

NOVEMBER 27, 2023

FCP, LCP, Load, etc.) Things that can affect INP include: Long-running JavaScript event handlers Input delay due to Long Tasks blocking the main thread Poorly performing JavaScript frameworks Page complexity leading to presentation delay For some ideas around optimizing INP, I've included some great resources at the bottom of this article.

Google 110

Google Traffic Ecommerce Metrics 110

Smashing Magazine

MAY 5, 2021

Here’s another article about reducing JavaScript dependencies and the bundle size sent to the client. This article is about a couple of things that Bookaway faced and we (as a company in the traveling industry) managed to optimize our pages, so that the HTML we send is smaller. The main goal is to have a small LCP as possible.

Google 110

Google Architecture Servers Speed 110

Smashing Magazine

JUNE 2, 2021

These shifts of content are very annoying, making you lose your place in an article you’ve started reading or, worse still, making you click on the wrong button! In this article, I’m going to discuss some front-end patterns to reduce CLS. So, it often requires new techniques and ways of thinking to attempt to optimize it.

Media 125

Media Metrics Website Google 125

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. That’s what this article is about.

Speed 97

Speed Google Website Metrics 97

Speed Curve

FEBRUARY 5, 2024

However, that pesky 20% on the back end can have a big impact on downstream metrics like First Contentful Paint (FCP), Largest Contentful Paint (LCP), and any other 'loading' metric you can think of. That performance golden rule still holds true today. I mean, why wouldn't we?

Servers 57

Servers Cache Retail Benchmarking 57

Smashing Magazine

MARCH 7, 2022

In my last article , I suggested using the SaveData API to deliver a different, more performant, experience to users that expressed that desire. In this article, I want to spend a bit more time on this, and also look at other signals we can similarly use to help us make decisions on what to load on our websites. Barry Pollard.

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Website Media Mobile Network 103

Smashing Magazine

OCTOBER 18, 2021

There are many user-centric performance metrics to measure different points in a page’s life cycle such as FCP, LCP, FID, CLS, and so on. Barry Pollard has written an excellent in-depth article about CLS. Note : Paul Irish has written an excellent article on this topic. For this case study, we are mainly going to focus on CLS.

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Website Google Metrics Testing Tools 105

Smashing Magazine

APRIL 19, 2021

Largest Contentful Paint (LCP). LCP is relatively new, and we used to measure the similarly named First Contentful Paint (FCP) but LCP has been seen as a better metric for when the content the visitor likely wants to see is drawn. Largest Contentful Paint (LCP). The three Core Web Vitals metrics ( Large preview ).

Google 140

Google Metrics Mobile Analytics 140

MachMetrics

JUNE 30, 2021

In this article, we will particularly look at the average page load time in 2021 and importance of web vitals. Ever since Google is switching towards “ mobile fast indexing ” it’s very important for a webmaster to keep the pages very well optimized to maintain visitor’s + search engine’s satisfaction level high.

Cache 78

Cache Speed Google Website 78

Speed Curve

MARCH 7, 2022

It’s possible for your pages to contain zero blocking resources and still have less-than-optimal performance because of how your JavaScript is rendered. You can dive deeper into image optimization and SEO tips in this article in Google Search Central.). The more scripts on your page, the greater the risk. Takeaways.

Mobile 145

Mobile Benchmarking Google Metrics 145

Speed Curve

NOVEMBER 1, 2022

Prioritize performance optimizations according to their projected impact on real users. For more information on interpreting histograms, see this support article. For an overview of Site Settings, see this support article. Create more meaningful performance budgets in RUM. Ready to learn more? Let's get to it! RUM page labels.

Benchmarking 57

Benchmarking Best Practices Monitoring Traffic 57

Smashing Magazine

MARCH 25, 2021

Hence the dire need for prioritizing optimization of media. First Contentful Paint (FCP), Cumulative Layout Shift (CLS), Largest Contentful Paint (LCP). Vitaly Friedman has an excellent checklist that describes the components that affect web performance along with useful tips on optimization techniques. billion in annual sales.

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Media Performance Mobile Latency 117

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? Think about the number of times you visit a home page, click on an article, then go back to the home page to view another article? so reusing them from that home page visit is a good saving.

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Cache Games Performance Website 91

Speed Curve

MAY 9, 2023

FCP, LCP, Load, etc.) Things that can affect INP include: Long-running JavaScript event handlers Input delay due to Long Tasks blocking the main thread Poorly performing JavaScript frameworks Page complexity leading to presentation delay For some ideas around optimizing INP, I've included some great resources at the bottom of this article.

Metrics 96

Metrics Google Mobile Analytics 96

Speed Curve

JULY 3, 2023

It’s possible for your pages to contain zero blocking resources and still have less-than-optimal performance because of how your JavaScript is rendered. Largest Contentful Paint – LCP measures when the largest visual element (image or video) in the viewport finishes rendering. How does page bloat hurt your visitors?

Mobile 52

Mobile Google Metrics Retail 52

CSS - Tricks

SEPTEMBER 2, 2021

A couple of kilobytes that might be lazy loaded/code-split out is not that big of a deal, especially since the frameworks might be optimized for runtime performance. web-vitals-element — An npm packages from Stefan Judis that boots up a <web-vitals> web component showing your CLS, FID, LCP, and BVD ( demo ). More links!

Performance 53

Performance Cache AWS Technology 53

Smashing Magazine

NOVEMBER 17, 2022

A Guide To Image Optimization On Jamstack Sites. A Guide To Image Optimization On Jamstack Sites. This article is sponsored by Storyblok. Why Image Optimization Is So Important For A Jamstack Site? This data makes it clear that there will be no good performance without well-optimized images. Alba Silvente.

Media 105

Media Cache Website Mobile 105

Smashing Magazine

MAY 17, 2021

To make the searches as fast as possible, the front-end directly queries our Rust backend which is heavily optimized for domain lookups and suggestions. We have enabled Web Vitals which lets us see which element caused the LCP. A summary of LCP, FID and CLS. Large preview ). Our CLS scores had the most room for improvement.

Google 93

Google Analytics Serverless Metrics 93

CSS - Tricks

JUNE 25, 2020

“ I bet I can optimize this asset a little further.” Yet that first render might not be actually useful content, like the headline and body copy of a news article. They have to measure LCP on a bazillion sites and provide generically useful measurements. How big is our JavaScript bundle? Very clever. But, why guess?

Analytics 93

Analytics Google Metrics Performance Testing 93

Smashing Magazine

JANUARY 11, 2021

Have we optimized enough with tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, progressive hydration, clients hints, HTTP/3, service workers and — oh my — edge workers? Happy optimizing, everyone!). Looking back now, things seem to have changed quite significantly.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

OCTOBER 24, 2023

The Fight For The Main Thread The Fight For The Main Thread Geoff Graham 2023-10-24T18:00:00+00:00 2023-10-24T22:02:26+00:00 This article is sponsored by SpeedCurve Performance work is one of those things, as they say, that ought to happen in development. Hey, look at that — great job, team! Large preview ) I love this stuff!

Google 90

Google Analytics Traffic Metrics 90

Speed Curve

DECEMBER 20, 2021

We've made LCP events easy to spot by highlighting them in your Vitals dashboard, your test details, and your Sites dashboard, where you'll also see how key metrics are trending over time. We also added a "Performance 101" section that includes articles like: Synthetic vs. Real User Monitoring. RUM Live dashboard. SpeedCurve recipes.

Retail 52

Retail Benchmarking Metrics Website 52

Smashing Magazine

JANUARY 6, 2020

Often deferred till the very end of the project, it would boil down to minification, concatenation, asset optimization and potentially a few fine adjustments on the server’s config file. Assets Optimizations. Build Optimizations. Delivery Optimizations. Happy optimizing, everyone!). Defining The Environment.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

AUGUST 30, 2021

Refactoring CSS: Optimizing Size And Performance (Part 3). Refactoring CSS: Optimizing Size And Performance (Part 3). In previous articles from this series, we’ve covered auditing CSS codebase health and the incremental CSS refactoring strategy , testing, and maintenance. Part 3: Optimizing Size And Performance.

Media 108

Media Performance Cache Strategy 108

Smashing Magazine

MAY 20, 2020

We can’t afford regularly spending time optimizing apps all over again. 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. 0 libglib2.0-0

Performance 98

Performance Metrics Best Practices Code 98

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. A big advantage of the new design was that it allowed me to make the images much smaller, which reduced the LCP time to about 1.5

Website 135

Website Energy Internet Internet 135

Alex Russell

MARCH 6, 2021

Critical path images for LCP, if any, need to subtract their transfer size from one of these buckets, with trades against JS bundle size potentially increasing total download budget, but the details matter a great deal. In a world with better balance, most articles would be dedicated to announcements of mid-range devices from LG and Samsung.

Performance 124

Performance Network Cache Metrics 124

Smashing Magazine

SEPTEMBER 29, 2021

If you’re optimizing for the Web Vitals , you might be interested to hear that images account for ~ 42% of the Largest Contentful Paint element for websites. This is why a lot of our guidance on performance talks about image optimization. Note: Image CDNs are mentioned a few times in this article. More after jump!

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Open Source Speed Website Google 144