Smashing Magazine

OCTOBER 24, 2023

Total Blocking Time One thing I know would be more helpful than a set of Core Web Vitals scores from Lighthouse is knowing the time it takes to go from the First Contentful Paint (FCP) to the Time to Interactive (TTI), a metric known as the Total Blocking Time (TBT). You can see that Lighthouse does indeed provide that metric.

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Google Analytics Traffic Metrics 90

Smashing Magazine

AUGUST 15, 2023

Large preview ) While browsers are generally pretty fast, these steps still take time to load, typically in seconds, and even longer on slower, high-latency network connections. So noticeable, in fact, that Core Web Vitals has a metric all about it called Largest Contentful Paint (LCP). WebPageTest waterfall timeline report.

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Media Metrics Mobile Best Practices 73

Smashing Magazine

AUGUST 3, 2023

Google’s Core Web Vitals is a set of performance metrics that site owners can use to evaluate performance and diagnose performance issues. These metrics provide a different perspective on user experience: Largest Contentful Paint (LCP) Measures the time it takes for the main content on a webpage to load. One of the key Next.js

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Performance Cache Traffic Metrics 74

Rigor

SEPTEMBER 11, 2019

list of those who are making a significant impact on speeding up the web today. Rachel is the Editor-in-Chief of Smashing Magazine, a British web developer, writer, and speaker. Vitaly is a co-founder of the Smashing Magazine brand. Here is our (ever-growing!) Plus, at the end, a few bonus Twitter handles to round things out.).

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Performance Education Google Website 89

Smashing Magazine

JANUARY 11, 2021

LogRocket tracks key metrics, incl. Getting Ready: Planning And Metrics Performance culture, Core Web Vitals, performance profiles, CrUX, Lighthouse, FID, TTI, CLS, devices. Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. Getting Ready: Planning And Metrics. Table Of Contents.

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Performance Cache Media Metrics 145

Smashing Magazine

NOVEMBER 17, 2022

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. Webpage performance test report for the Smashing Magazine website. Key user-centric metrics often depend on the size, number, layout, and loading priority of images on the page. Conclusion.

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Media Cache Website Mobile 105

Smashing Magazine

MAY 5, 2021

But first, let’s talk about the importance of speed improvement. Why Is Speed Improvement Necessary To Our SEO Efforts? One of the best technical ways to improve the crawl budget is to help Google do more in less time : Q : “Does site speed affect my crawl budget? that metric is called “content download” in Chrome Dev Tools.

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Google Architecture Servers Speed 110

Smashing Magazine

JANUARY 6, 2020

Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. 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. Table Of Contents.

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Performance Cache Network Metrics 145

Smashing Magazine

JUNE 2, 2021

Looking briefly at the other two Core Web Vitals, Largest Contentful Paint (LCP) does exactly as its name suggests and is more of a twist on previous loading metrics that measures how quickly the page loads. That’s not to say solving issues with these two metrics are easy, but they are reasonably well-understood problems.

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Media Metrics Website Google 125

Smashing Magazine

MARCH 2, 2021

The gotcha here is that, if your mobile experience isn’t optimized for various devices and network conditions, these customers will never appear in your analytics — just because your website or app will be barely usable on their devices, and so they are unlikely to return. Driving Business Metrics. Large preview ). Large preview ).

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Mobile Testing Website Benchmarking 133

Smashing Magazine

MARCH 25, 2021

Of the many factors that affect page-load speed, media is a significant one. A performance budget as a mechanism for planning a web experience and preventing performance decay might consist of the following yardsticks: Overall page weight, Total number of HTTP requests, Page-load time on a particular mobile network, First Input Delay (FID).

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Media Performance Mobile Latency 117

Smashing Magazine

JANUARY 7, 2019

Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. 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. Table Of Contents. Setting Realistic Goals. Defining The Environment.

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Performance Cache Metrics Network 103

Smashing Magazine

APRIL 19, 2021

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. The Core Web Vitals are a set of three metrics designed to measure the “core” experience of whether a website feels fast or slow to the users, and so gives a good experience.

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Google Metrics Mobile Analytics 140

Smashing Magazine

JANUARY 21, 2021

Image source: Lighthouse Metrics ) ( Large preview ). A big JavaScript bundle might seem out of place on a magazine that merely publishes articles, but actually, there is plenty of scripting happening behind the scenes. This is where we started. As it happened, we lost track of performance in the busyness of day-to-day routine.

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Performance Cache Mobile Network 145

Rigor

JUNE 12, 2019

When talking to an executive, she explains, you have to bear in mind that they may not understand the language of performance metrics. You need to find your 'Rosetta Stone' to translate the language of performance metrics for others in your organization. I used my expertise to educate people about metrics,” says Gringaus.

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Performance Social Media Internet Internet 72

Smashing Magazine

OCTOBER 18, 2021

Performance is one of the core aspects to ensure our users are having a delightful user experience irrespective of their devices or network connection. We found out user-centric performance metrics to be the perfect fit for this purpose. For this case study, we are mainly going to focus on CLS.

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Website Google Metrics Testing Tools 105

Smashing Magazine

MAY 9, 2022

You can also disable the Back/Forward Cache in Chrome at chrome://flags/#back-forward-cache if you want to experiment more, but the above steps should hopefully be a sufficient enough test to give a rough feel for the potential speed gains. Additionally, the Back/Forward Cache is an in-memory cache. The HTTP Cache is a disk cache.

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Cache Games Performance Website 91

Smashing Magazine

APRIL 29, 2022

And slow websites are, in a way, discrimination: The majority of the world’s population don’t have access to high-speed Internet or fast CPUs. Providing rich, interactive website experiences needs added assets that consume your users’ resources, from CPU and GPU to memory and network. The JavaScript Tax.

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Website Google Open Source Mobile 80

Smashing Magazine

JANUARY 16, 2023

Largest Contentful Paint (or LCP) is one of three metrics of the Core Web Vitals. These metrics are used by Google to evaluate the quality of user experience. The images used in the article’s Codepen demonstrations will be integrated with TwicPics to save time in their creation and speed up the optimization of the LCP metric.

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Media Mobile Website Metrics 104

Smashing Magazine

APRIL 29, 2021

Lazy-load offscreen images (reduce network contention for key resources). For low impact to First Input Delay : Avoid images causing network contention with other critical resources like CSS and JS. Cumulative Layout Shift (CLS, a Core Web Vitals metric) measures the instability of content. Lighthouse. Large preview ).

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Media Network Metrics Mobile 145

Smashing Magazine

JULY 29, 2019

Failing that, we are usually able to connect to home or public WiFi networks that are on fast broadband connections and have effectively unlimited data. The speed of mobile networks, too, varies considerably between countries. South Korea has the fastest mobile download speed , averaging 52.4 per GB respectively.

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Cache Google Mobile Network 96

Smashing Magazine

OCTOBER 29, 2018

Without being able to measure the speed at which something is working, we can’t tell if the changes being made are improving the performance, having no effect, or even making things worse. Studying your network waterfall chart in developer tools will show this delay up under the category of “Waiting (TTFB)”. Implementing Server Timing.

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Servers Performance Metrics Database 87

Smashing Magazine

JUNE 1, 2022

In this case, we are not going to be talking about infrastructure services, such as a cloud computing platform like Microsoft Azure or a content distribution network like Akamai. And JavaScript can certainly make requests for additional network resources. Sometimes, the visitor’s browser itself can be the origin of network activity.

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Website Design Network Best Practices 131

Smashing Magazine

JUNE 8, 2021

Optimizing Network Requests with Caching and Preloading. +. Downloading files such as images or videos over the network can be slow and costly. HTTP caching, service workers, image spriting, and preloading help optimize network requests. Image Content Delivery Networks. +. Large view. Table Of Contents. Get the eBook.

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Media Cache Google Best Practices 105

Smashing Magazine

APRIL 28, 2021

Optimizing Network Requests with Caching and Preloading. +. Downloading files such as images or videos over the network can be slow and costly. HTTP caching, service workers, image spriting, and preloading help optimize network requests. Image Content Delivery Networks. +. Large view. Table Of Contents. Get the eBook.

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Media Cache Google Best Practices 92

Smashing Magazine

FEBRUARY 2, 2022

This problem is more apparent on unreliable and slow networks and lower-end devices. How quickly the file is downloaded depends on the connection speed and the size of the file itself. Notice the difference in loading times between mobile and cable networks. Estimated load times for a makeshift JavaScript application.

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Code Performance Network Website 89

Smashing Magazine

NOVEMBER 22, 2021

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. While some noticeable progress was made, it was challenging to implement significant changes just for the sake of speed. Creating A Performance Culture.

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Website Performance Google Media 126

Smashing Magazine

MARCH 9, 2020

This avoids a layout shift as the image is downloaded — something Chrome has recently started measuring in the new Cumulative Layout Shift metric. As you can see, the impact is considerable — especially on lower-end devices and slow network speed, where images are coming in separately. Large preview ).

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Website Code Mobile Network 125

Smashing Magazine

NOVEMBER 2, 2021

Moreover, Garten-und-Freizeit, a German e-commerce store that sells furniture, saw an amazing improvement in their metrics after getting a PWA. This also implies that you don’t have to spend additional time and money on creating a PWA to suit various devices, greatly speeding up time-to-market. Image credit: Garten-und-Freizeit.

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Code Cache Retail Mobile 74

Smashing Magazine

AUGUST 30, 2021

If the stylesheet file has a large file size or multiple dependencies which are located on third-party servers or CDNs, website rendering can be delayed significantly depending on the network speed and reliability. Largest Contentful Paint (LCP) has become an important metric in the last few months. For example styles.a1bc2.css

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Media Performance Cache Strategy 108

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. A Primer on Speed. Congestion Control.

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Performance Network Latency Servers 105

Smashing Magazine

OCTOBER 6, 2021

Speaking of layers — speeding through the spec process is another new feature that was designed specifically to assist in orchestrating the cascade and alleviating clashes. A more recent hot topic in site performance and related metrics is Cumulative Layout Shift (CLS). Cumulative Layout Shift.

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Design Availability Mobile Website 145

Smashing Magazine

SEPTEMBER 6, 2021

Next, we’ll look at how to set up servers and clients (that’s the hard part unless you’re using a content delivery network (CDN)). Using just a few (but still more than one), however, could nicely balance congestion growth with better performance, especially on high-speed networks. Servers and Networks.

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Network Servers Cache Traffic 104

Smashing Magazine

SEPTEMBER 29, 2021

Key user-centric metrics often depend on the size, number, layout, and loading priority of images on the page. Assuming encode/decode speeds meet your needs. Compression achieved is relevant because the higher the compression, the smaller the file size, and the lower the data required to transfer the image on the network.

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Open Source Speed Website Google 144