Smashing Magazine

MAY 12, 2022

These days it is fairly uncommon to encounter a new website or web app that doesn’t rely on some framework, or a platform such as a CMS. In particular, the increase in the amount of downloaded JavaScript can have a direct impact on website performance. Starting in June 2021, these metrics have become a ranking factor for Google search.

Google 128

Google Performance Website Mobile 128

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. Key user-centric metrics often depend on the size, number, layout, and loading priority of images on the page. See the Pen [Image format comparison 2]([link] by Addy Osmani.

Open Source 144

Open Source Speed Website Google 144

MachMetrics

FEBRUARY 22, 2019

It’s one of the most frequently asked questions I see asked, “I’ve tested my site speed, so now what do these metrics mean?” Here we’ll explain what each of the common web performance metrics mean, and how can you use that data to optimize your site and make it faster. Standard Website Speed Metrics.

Speed 56

Speed Metrics Website Cache 56

Dynatrace

OCTOBER 28, 2019

Easily compare and view trends on multiple metrics with the new visualization. With these improvements in user session queries, you get immediate answers to questions such as: Do our customers leave our website because of slow third-party content, such as social sharing buttons? How many website errors do we have?

Website 103

Website Metrics Tuning Analytics 103

Tim Kadlec

APRIL 10, 2023

Among 50,000 websites the HTTP Archive was monitoring at the time, 87% of the time was spent on the frontend and 13% on the backend. As we increasingly focus our conversations of performance on how metrics that relate to the user experience, the divide between backend and frontend goes past murky and starts becoming problematic.

Performance 111

Performance Servers Mobile Metrics 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. It allows you to quickly audit a website in a number of key areas which together can form a measure of its overall quality. Let’s find out how.

Google 82

Google Latency Website Metrics 82

Dynatrace

MARCH 10, 2021

They collect metrics and raise alerts, but they provide few answers as to what went wrong in the first place. To start, let’s look at the illustration below to see how these two operate in comparison: Also to note on traditional machine learning: by its very nature of operation it is slow and less agile.

AWS 147

AWS Cloud Artificial Intelligence Innovation 147

Dotcom-Montior

JANUARY 18, 2018

Retailers Still Fail to Prepare Websites for Holiday Shoppers Monitoring of Retailer’s Websites during Black Friday holiday shopping. This year I’ve spent some time for collecting meaningful metrics during Black Friday sales of our leading Retailers websites. 2 hours for the final result analysis and comparison.

Retail 40

Retail Website Monitoring Servers 40

Speed Curve

DECEMBER 21, 2022

You can see at a glance: Key metrics like Core Web Vitals and your User Happiness score. Here you can still find time series charts that show how performance is trending over time across a number of key metrics, including Core Web Vitals. Fixing high-traffic but poor-performing areas of your site will help lift your overall metrics.

Benchmarking 52

Benchmarking Retail Traffic Metrics 52

Enprowess

SEPTEMBER 20, 2021

Two primary metrics verify the speed of an app: start-up time and runtime performance. SSR provides more extensive visibility for websites once Google crawls sites for its results pages. The post React vs Vue comparison- what is the best choice for 2021? Having this in mind, they both are in a neck-to-neck battle.

Open Source 52

Open Source Mobile Scalability Google 52

Speed Curve

SEPTEMBER 25, 2018

This gives us a relatively unique opportunity to analyse and aggregate performance metrics to gain some interesting insights. In this post, I'm going to analyse some browser-based paint timing metrics: First Paint & First Contentful Paint (defined in the Paint Timing spec and implemented in Chromium). What are paint timing metrics?

Metrics 49

Metrics Performance Testing Testing Internet 49

CSS Wizardry

OCTOBER 16, 2023

Given that 66% of all websites (and 77% of all requests ) are running HTTP/2, I will not discuss concatenation strategies for HTTP/1.1 In our specific examples above, the one-big-file pattern incurred 201ms of latency, whereas the many-files approach accumulated 4,362ms by comparison. in this article. That’s almost 22× more!

Cache 291

Cache Latency Strategy Speed 291

Smashing Magazine

MARCH 2, 2021

This requires your website or application to be heavily optimized for mobile. However, there are quite a few high-profile case studies exploring the impact of mobile optimization on key business metrics. Driving Business Metrics. One of the famous examples is Flipkart , India’s largest e-commerce website.

Mobile 134

Mobile Testing Website Benchmarking 134

The Netflix TechBlog

JANUARY 11, 2022

Our growth team advertises on social media platforms and other websites to share news about upcoming titles and new product features, with the ultimate goal of growing the number of Netflix members worldwide. We’ve run many tests in this area and use the distribution of metric movements from past tests as an additional input to the analysis.

Innovation 243

Innovation Metrics Engineering Testing 243

Smashing Magazine

OCTOBER 27, 2021

Eye-tracking provides information on how people navigate on a page and how attracted they are to visual elements on the screen, like in this study conducted by Nielsen Norman Group which shows the pattern that people use to scan comparison tables. The AOI will determine what areas you will calculate metrics for. Eye-Tracking Evolution.

Mobile 112

Mobile Website Hardware Social Media 112

Speed Curve

DECEMBER 20, 2023

It's been hugely helpful to have a simple set of three UX-oriented metrics – focused on loading, interactivity, and responsiveness – that everyone can understand and focus on. And we've discovered that INP for mobile has an even stronger correlation with user engagement metrics than INP for desktop.

Performance 57

Performance Metrics Speed Google 57

MachMetrics

OCTOBER 31, 2020

WebPageTest is one of the best website speed auditing services for any designer or developer concerned with site speed (which should be all of them). Visual Comparison. Who are your competitors in your website’s niche? WebPageTest allows you to compare your site directly to a competitors with their Visual Comparison tool!

Social Media 52

Social Media Website Speed Google 52

MachMetrics

SEPTEMBER 22, 2020

Unfortunately, Target.com is not a fast website. And this is shocking since we all know that page load speed is directly correlated to site revenue (you’re aware that faster websites lead to increased conversion and sales, right?). Look again at the metrics above. Time to Interactive (TTI): 6.2s Total Blocking Time: 2.2s

Retail 82

Retail Speed Website Google 82

Testsigma

JANUARY 18, 2021

Web Developers frequently come across issues where the developed website or web application does not work as expected on certain combinations of browsers and operating systems. When it comes to web applications (or websites), cross browser testing should be a high-priority item on the automation testing checklist.

Testing 55

Testing Operating System Website Internet 55

Smashing Magazine

AUGUST 10, 2023

In fact, there’s great tooling right under the hood of most browsers in DevTools that can do many things that a tried-and-true service like WebPageTest offers, complete with recommendations for improving specific metrics. Certain tools are designed for certain metrics with certain assumptions that produce certain results.

Speed 81

Speed Monitoring Testing Network 81

Smashing Magazine

JANUARY 11, 2021

LogRocket tracks key metrics, incl. So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the project until the final release of the website — what would that look like? Getting Ready: Planning And Metrics. Get a free trial of LogRocket today.

Performance 145

Performance Cache Media Metrics 145

CSS - Tricks

NOVEMBER 1, 2019

People say JAMstack sites are fast — let’s find out why by looking at real performance metrics! We’ll cover common metrics, like Time to First Byte ( TTFB ) among others, then compare data across a wide section of sites to see how different ways to slice those sites up compare. seconds to see primary content. Time To First Byte.

Speed 46

Speed Mobile Metrics Scalability 46

Smashing Magazine

OCTOBER 24, 2023

It’s “single-threaded,” which is how we get the one-way street comparison. 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).

Google 91

Google Analytics Traffic Metrics 91

Smashing Magazine

MAY 16, 2022

The header is constructed via a name with an optional description and/or metric value. Web browsers expose a global Performance Timeline API to inspect details about specific metrics/events that have happened during the page lifecycle. Let’s assume all website images return this Server-Timing header structure.

Servers 93

Servers Monitoring Cache Network 93

CSS - Tricks

DECEMBER 23, 2020

Lighthouse is a free and open-source tool for assessing your website’s performance, accessibility, progressive web app metrics, SEO, and more. It’s offers a great way to enforce performance budgets, and also helps you keep track of each reported metric so you can see how they have changed over time. touch lighthouserc.js.

Performance 78

Performance Storage Servers Virtualization 78

Speed Curve

MAY 14, 2019

Our third party metrics and dashboard have had an exciting revamp. With new metrics like blocking CPU, you can now see exactly who is really to blame for a crappy user experience. There's also a first party comparison you can toggle on/off to see what proportion of your requests come from first party vs third party.

Games 51

Games Metrics Monitoring Website 51

Smashing Magazine

APRIL 11, 2022

JavaScript, CSS, images, iframes, and other resources impact how quickly website loads, renders and becomes usable to the user. 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.

Media 70

Media Tuning Metrics Google 70

Rigor

JULY 25, 2019

You’ll typically want to find a way to make a connection between a performance metric (such as First Meaningful Paint ) and a business metric (Conversion Rate). We’ve made your life easier by starting the comparison for you. The Simpsons Family = Web Performance Metrics. webperf #perfmatters Click To Tweet. Ned Flanders.

Metrics 19

Metrics Performance Website Performance Google 19

Dean Hume

JULY 5, 2016

There’s a good chance that your website relies on 3rd party libraries to provide you with extra functionality. Believe it or not, WebPageTest isn't just for testing public facing websites - you can actually script the login steps to your website if needed. The Speed Index metric was invented by WebPagetest. True story!

Website 40

Website Metrics Speed Testing 40

Dean Hume

JULY 5, 2016

There’s a good chance that your website relies on 3rd party libraries to provide you with extra functionality. Believe it or not, WebPageTest isn't just for testing public facing websites - you can actually script the login steps to your website if needed. The Speed Index metric was invented by WebPagetest. True story!

Website 40

Website Metrics Speed Testing 40

Dean Hume

JULY 5, 2016

There’s a good chance that your website relies on 3rd party libraries to provide you with extra functionality. Believe it or not, WebPageTest isn't just for testing public facing websites - you can actually script the login steps to your website if needed. The Speed Index metric was invented by WebPagetest. True story!

Website 40

Website Metrics Speed Testing 40

Smashing Magazine

JULY 29, 2019

For comparison, the same amount of data costs $6.66 This metric is a little difficult to comprehend, so here’s an example: if the average cost of broadband packages in a country is $22, and the average download speed offered by the packages is 10 Mbps, then the cost ‘per megabit per month’ would be $2.20. For comparison, $3.67

Cache 96

Cache Google Mobile Network 96

Smashing Magazine

JANUARY 7, 2019

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Table Of Contents. Quick Wins.

Performance 104

Performance Cache Network Metrics 104

Smashing Magazine

JANUARY 6, 2020

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Table Of Contents. Quick Wins.

Performance 145

Performance Cache Network Metrics 145

Speed Curve

DECEMBER 25, 2013

Guy Podjarny’s recent research shows that only one in eight websites is responsive. Comparison of page size and assets types across different responsive widths. A great example using the above techniques is the new Guardian newspaper website, currently in alpha. Case study: the new responsive Guardian site.

Performance 60

Performance Mobile Website Benchmarking 60

Speed Curve

JULY 2, 2013

Uptime services like Pingdom and Uptime Robot ping your website with an HTTP request every couple of minutes to check that it's online and available. These services often check from various geographic locations to keep an eye on network routes to your server and will send you alerts via email and txt if your website is down.

Benchmarking 40

Benchmarking Performance Website Analytics 40

Alex Russell

JULY 14, 2021

This reduces friction and commensurately increases "engagement" metrics. [6]. The confusion that reliably results is the consequence of an inversion of the power relationship between app and website. Why is this not a game-over problem for Facebook's desktop website? There's little new I can add.

Google 121

Google Mobile Engineering Internet 121