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 96

Metrics Google Mobile Analytics 96

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

Enprowess

SEPTEMBER 20, 2021

According to Google Trends, development companies were more interested in hiring React developers, followed by Vue over the past year. 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.

Open Source 52

Open Source Mobile Scalability Google 52

Dynatrace

MAY 28, 2020

While Google’s SRE Handbook mostly focuses on the production use case for SLIs/SLOs, Keptn is “Shifting-Left” this approach and using SLIs/SLOs to enforce Quality Gates as part of your progressive delivery process. This allows us to analyze metrics (SLIs) for each individual endpoint URL. Login, Add to Cart, Checkout.

Engineering 192

Engineering Performance Metrics Best Practices 192

Speed Curve

NOVEMBER 29, 2020

We’ve been pretty vocal about Core Web Vitals since Google announced this initiative last spring. We love the idea of having a lean, shared set of metrics that we can all rally around – not to mention having a broader conversation about web performance that includes teams throughout an organization. Let's dig in!

Metrics 109

Metrics Entertainment Google Monitoring 109

MachMetrics

SEPTEMBER 22, 2020

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?). Let’s add in some metrics ( click here if you need a refresher on these ): Time to First Byte (TTFB): 0.47s First Contentful Paint: 0.7s

Retail 82

Retail Speed Website Google 82

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. We won’t get too deep into search engine optimization, but speed optimization is a huge part of what sets your site apart from others.

Social Media 52

Social Media Website Speed Google 52

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

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. Table Of Contents.

Performance 145

Performance Cache Media Metrics 145

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

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

Smashing Magazine

JULY 29, 2019

For comparison, the same amount of data costs $6.66 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. For reference, the metric is $1.19

Cache 96

Cache Google Mobile Network 96

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

Smashing Magazine

MARCH 2, 2021

However, there are quite a few high-profile case studies exploring the impact of mobile optimization on key business metrics. Driving Business Metrics. With Core Web Vitals , Google has been pushing the experience factors on mobile further to the forefront. Improving Search Engine Visibility. Large preview ). Large preview ).

Mobile 133

Mobile Testing Website Benchmarking 133

Testsigma

JANUARY 18, 2021

Key Metrics to consider for Cross Browser Testing. Here are some of the essential factors (or metrics) that should be factored in the cross-browser testing activity: 1. Along with testing on different network conditions, you should also check the app’s behaviour with different UL (Upload) and Download (DL) speeds.

Testing 55

Testing Operating System Website Internet 55

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.

Mobile 111

Mobile Website Hardware Social Media 111

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.

Performance 103

Performance Cache Metrics Network 103

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. Marge Simpson.

Metrics 19

Metrics Performance Website Performance Google 19

Smashing Magazine

APRIL 29, 2021

It’s an initiative by Google to share unified guidance for quality signals that can be key to delivering a great user experience on the web. CWV is part of a set of page experience signals Google Search will be evaluating for ranking. Cumulative Layout Shift (CLS, a Core Web Vitals metric) measures the instability of content.

Media 145

Media Network Metrics Mobile 145

Percona

DECEMBER 20, 2018

With the Percona Database Performance Blog, Percona staff and leadership work hard to provide the open source community with insights, technical support, predictions and metrics around multiple open source database software technologies. I found the comparison of InnoDB vs. MyISAM quite interesting, and I’ll use it in this post.

Database 40

Database Tuning Performance AWS 40

Speed Curve

JULY 2, 2013

It's often called synthetic testing as tests are run from servers in a data centre and don't accurately represent what speeds an actual user might get. Google Analytics recently updated their Site Speed report, allowing you to measure up to 10,000 page loads a day with a simple change to the sample rate in your tracking code.

Benchmarking 40

Benchmarking Performance Website Analytics 40

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

Speed Curve

DECEMBER 25, 2013

Recently Grigorik has been championing this approach and the Google Pagespeed Insight rules have been updated to reflect this best practice with recommendations on how to reduce the size of "above the fold" content. It’s a new image format developed by Google that’s 30-40% smaller than a jpeg. Source: SpeedCurve.

Performance 60

Performance Mobile Website Benchmarking 60

Speed Curve

OCTOBER 11, 2015

Integrating with the Deploy API is super easy and provides a robust set of metrics and before/after screenshots, visual diffs, waterfall charts , filmstrips and videos for each deploy. Google uses visual diffs to spot release issues and make continuous deployment a safer practice. Make continuous deployment safe.

Google 56

Google Metrics Testing Code 56

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

Smashing Magazine

AUGUST 22, 2021

A Primer on Speed. Discussing performance and “speed” can quickly get complex, because many underlying aspects contribute to a web-page loading “slowly”. It is physically limited by the speed of light or, practically, how fast signals can travel in wires or in the open air. also “only” take two round trips ((b) is rarely shown).

Performance 105

Performance Network Latency Servers 105

Smashing Magazine

SEPTEMBER 6, 2021

Using just a few (but still more than one), however, could nicely balance congestion growth with better performance, especially on high-speed networks. mvfst (Facebook), MsQuic , (Microsoft), (Google), ngtcp2 , LSQUIC (Litespeed), picoquic , quicly (Fastly). Google Chrome (version 91+) : Enabled by default. Google Lighthouse.

Network 104

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. 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