Speed Curve

NOVEMBER 27, 2023

Earlier this year, Google announced that Interaction to Next Paint (INP) is no longer an experimental metric. Now that INP has arrived to dethrone FID as the responsiveness metric in Core Web Vitals, we've turned our eye to scrutinizing its effectiveness. When it comes to new performance metrics, it's easy to jump on bandwagons.

Google 109

Google Traffic Ecommerce Metrics 109

Rigor

JUNE 4, 2019

With so many different metrics available to measure dozens of different aspects of a web page, it can be a struggle to know how best to quantify that page’s overall web performance. Metrics – Thick as Pea Soup. In the early days of performance monitoring, there were far fewer metrics than we have today.

Metrics 89

Metrics Performance Media Google 89

Speed Curve

JULY 3, 2023

For more than ten years, I've been writing about page bloat, its impact on site speed, and ultimately how it affects your users and your business. Video – For the first time in the many years that I've been covering the topic of page growth, I'm going to focus on the volume of video that pages contain. More on that later.)

Mobile 52

Mobile Google Metrics Retail 52

Speed Curve

FEBRUARY 15, 2021

Web pages are unbelievably complex, and there are hundreds of different metrics available to track. A performance budget is a threshold that you apply to the metrics you care about the most. This is when you run into three important questions: Which metrics should you focus on? Which metrics should you focus on?

Performance 133

Performance Metrics Benchmarking Google 133

Smashing Magazine

NOVEMBER 22, 2021

A website’s performance can make or break its success, yet in August 2020, despite many improvements we had previously made, such as implementing Server-Side Rendering (SSR), the ratio of Wix websites with good Google Core Web Vitals (CWV) scores was only 4%. Source: HTTP Archive's Core Web Vitals Technology Report. Large preview ).

Website 126

Website Performance Google Media 126

Rigor

OCTOBER 30, 2019

Reading time 11 min As companies become more aware of the importance of web performance, internal teams begin to research tools they can use to use to track their metrics and improve the user experience of their websites and applications. Where Google Lighthouse Shines Bright. Google Lighthouse has a lot going for it.

Google 51

Google Best Practices Energy Website 51

MachMetrics

NOVEMBER 21, 2019

When most people test their site speed, they test a single, static page. If your site utilizes a log in, a simple test may only give you a speed audit on how fast your site loads it’s log in form. Testing the speed of a checkout process. Or a page that’s protected behind a login? Now for the bad news.

Speed 57

Speed Testing Google Tuning 57

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. A performance budget is a threshold that you apply to the metrics you care about the most. Let's get started! Background: How performance budgets work 1.

Performance 98

Performance Metrics Media Google 98

Speed Curve

MARCH 7, 2022

How does page bloat affect other metrics, such as Google's Core Web Vitals? A Google machine-learning study I participated in a few years ago found that the total number of page elements was the single greatest predictor of conversions. I intentionally left out the numbers for video, because they seemed inconsistent.

Mobile 145

Mobile Benchmarking Google Metrics 145

Dynatrace

JANUARY 5, 2022

The Dynatrace documentation and video tutorials give a good overview of integrating any HTTP-based testing tool with Dynatrace. While the test step, use case, and thread group name context are helpful we also want to speed up the analysis of individual requests that fail. The white box load testing project setup.

Testing 223

Testing Open Source Metrics Infrastructure 223

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. Assets Optimizations Brotli, AVIF, WebP, responsive images, AV1, adaptive media loding, video compression, web fonts, Google fonts.

Performance 145

Performance Cache Media Metrics 145

Speed Curve

APRIL 9, 2023

Here's how the update to Lighthouse 10 may affect your metrics. Metrics and scoring weights include the deprecation of Time to Interactive (TTI) and the increase in weight for Cumulative Layout Shift (CLS). Basically, we see a trend similar to the trend observed by Google. “ According to us: "It depends."

Cache 73

Cache Best Practices Metrics Google 73

Smashing Magazine

DECEMBER 17, 2020

The most beautiful, spectacular site in the world won’t do anyone much good if people can’t find it on Google (or Bing, or DuckDuckGo). It is a huge industry, with its own publications, thought leaders, podcasts, video series, and more. Prioritizing Metrics Online metrics are almost limitless. Google Keyword Planner.

Engineering 131

Engineering Google Website Analytics 131

Speed Curve

FEBRUARY 25, 2021

What do the different metrics mean? While the focus in most cases tends to be directed toward front-end developers, it's important to remember the back-end as well if you see higher than normal start render times or increases in more basic metrics like time to first byte. What do the different metrics mean? Let's get started.

Performance 143

Performance Benchmarking Metrics Monitoring 143

Smashing Magazine

MARCH 25, 2021

Of the many factors that affect page-load speed, media is a significant one. For example, a budget can help them decide if a page should contain five images — or three images and one video — and still remain within the planned limits. However, having a performance budget as a standalone metric might not be of much help.

Media 118

Media Performance Mobile Latency 118

Speed Curve

MAY 9, 2023

Today at Google I/O 2023, it was announced that Interaction to Next Paint (INP) is no longer an experimental metric. It's been hugely helpful to have a simple set of three metrics – focused on loading, interactivity, and responsiveness – that everyone can understand and focus on. How does INP compare to FID?

Metrics 95

Metrics Google Mobile Analytics 95

Dean Hume

SEPTEMBER 21, 2016

Whilst web page load time is an important metric to measure, it doesn't tell the whole picture. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The total is your Speed Index score!" speedindex-test.

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

Whilst web page load time is an important metric to measure, it doesn't tell the whole picture. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The total is your Speed Index score!" speedindex-test.

Speed 40

Speed Analytics Google Retail 40

Dean Hume

SEPTEMBER 21, 2016

Whilst web page load time is an important metric to measure, it doesn't tell the whole picture. As I started to learn more about web page performance, I started to experiment with webpagetest.org and discovered the different metrics that it uses. The total is your Speed Index score!" speedindex-test.

Speed 40

Speed Analytics Google Retail 40

Smashing Magazine

OCTOBER 18, 2021

There are many key performance indicators (KPI) that measure different points during the lifecycle of the web page (such as TTFB, domInteractive and onload ), but these metrics don’t reflect how the end-user experiences the page. We found out user-centric performance metrics to be the perfect fit for this purpose. More after jump!

Website 106

Website Google Metrics Testing Tools 106

Speed Curve

DECEMBER 20, 2021

Google's Core Web Vitals have been a huge topic this year. We've been tracking these as individual metrics – Largest Contentful Paint, First Input Delay, and Cumulative Layout Shift – since before Google branded them as a set. Watch a video walkthrough of the Vitals dashboard.). RUM Live dashboard.

Retail 52

Retail Benchmarking Metrics Website 52

Smashing Magazine

AUGUST 3, 2023

While paid marketing strategies like Google Ads play a part in our approach as well, enhancing our organic traffic remains a major priority. It was only in 2020, though, that Google shared its concept of Core Web Vitals and how it impacts SEO efforts. Core Web Vital metrics definitions. SEO is key to our success.

Performance 74

Performance Cache Traffic Metrics 74

Speed Curve

MAY 11, 2020

Google recently announced an initiative called 'Web Vitals', which focuses on three performance metrics they consider essential for improving the user experience: Largest Contentful Paint (LCP). With the exception of FID, all of these metrics are available in both LUX (our RUM tool) and Synthetic. First Input Delay (FID).

Metrics 99

Metrics Google Availability Performance 99

Dynatrace

DECEMBER 20, 2021

Session replay is an IT technology that creates anonymized video-like recordings of actions taken by users interacting with your website or mobile application. The result is a complete recreation of the user experience in a video-like format. This step is critical because the metrics needed to achieve these goals differ.

Mobile 251

Mobile Website Analytics Cache 251

Speed Curve

JULY 26, 2022

Fixing high-traffic but poorly performing areas of your site will improve your overall metrics – and create a faster, better experience for more of your users. You can then prioritize and focus on these areas to improve important metrics like Largest Contentful Paint. Change summary metrics on your charts. Suggestions?

Testing 52

Testing Performance Metrics Traffic 52

Speed Curve

JUNE 30, 2020

Keep reading to find out what this means and how it may affect your performance metrics. Google has been on a roll in 2020 with the introduction of Core Web Vitals and this latest update , and we are thrilled to offer support for both. Visual metrics like Start Render and Hero Element Render might stay roughly the same.

Metrics 98

Metrics Mobile Google Network 98

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. Smaller file size directly impacts the Largest contentful Paint (LCP) metric for the page as image resources needed by the page get loaded faster. Encode/Decode Speed.

Open Source 144

Open Source Speed Website Google 144

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

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. Video size by media format on mobile and desktop. Google’s Lighthouse. Here are several that we recommend: 1.

Performance 122

Performance Mobile Metrics Speed 122

Dotcom-Montior

AUGUST 5, 2020

Page speed has been a key factor in Google’s ranking algorithm since 2010 , so it is essential to understand the various ways you can optimize your pages and why implementing synthetic monitoring can ensure your pages perform flawlessly and revenue isn’t lost. Remember, speed is key to the user experience. Optimize Your Pages.

Website 92

Website Speed Cache Traffic 92

Smashing Magazine

JULY 29, 2019

The speed of mobile networks, too, varies considerably between countries. Perhaps surprisingly, users experience faster speeds over a mobile network than WiFi in at least 30 countries worldwide, including Australia and France. South Korea has the fastest mobile download speed , averaging 52.4 For reference, the metric is $1.19

Cache 96

Cache Google Mobile Network 96

Smashing Magazine

APRIL 29, 2022

The average user doesn’t spend much time waiting for a web page to load or to interact with the page: According to Google, if a page’s load time goes up from 1 second to 3 seconds, the probability of the user bouncing increases by 32%. However, it’s not always easy to maintain high performance in websites. The JavaScript Tax.

Website 81

Website Google Open Source Mobile 81

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.

Performance 145

Performance Cache Network Metrics 145

The Netflix TechBlog

MARCH 13, 2020

Compression efficiency and performance Encoder performance SVT-AV1 reaches similar compression efficiency as libaom at the slowest speed settings. In the plot, the Y-axis shows the additional bitrate in percent needed to achieve similar quality as libaom encoder according to three metrics. A single-threaded compression mode is used.

Open Source 154

Open Source Efficiency C++ Speed 154

Speed Curve

OCTOBER 25, 2023

Fighting regressions should be the top priority of anyone who cares about the speed of their site. The best way to fight regressions is to create performance budgets on key metrics, and get alerted when they go out of bounds. Make sure you're tracking the right metrics There are a lot of performance metrics out there!

Benchmarking 62

Benchmarking Metrics Website Monitoring 62

Speed Curve

OCTOBER 20, 2020

One of the big challenges with Google's new Cumulative Layout Shift (CLS) metric is understanding which elements actually moved on the page, when they moved, and by how much. Some layout shifts can be quite hard to spot when looking at just the filmstrip or a video of a page loading. The size of the shifting element matters.

Metrics 111

Metrics Google Testing 111

Speed Curve

JUNE 12, 2022

This makes your Vitals dashboard a powerful tool for not only seeing how your metrics perform relative to Google's thresholds, but also diagnose your biggest pain points and get prioritized solutions. LUX.getDebug() now includes events that help to debug some metrics including LCP, CLS, element timing, and long tasks.?

Performance 52

Performance Metrics Google Testing 52