Speed Curve

APRIL 27, 2022

But as you can see in these filmstrips of Wiggle, a UK cycling retailer, hiding the page can have a dramatic impact on a visitor's experience: Comparison of a site loading with (top) and without (bottom) the anti-flicker snippet enabled. To summarize: On one hand, anti-flicker snippets make metrics such as FCP (and possibly LCP) worse.

Performance 145

Performance C++ Google Retail 145

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

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 144

AWS Cloud Artificial Intelligence Innovation 144

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? have occurred.

Metrics 95

Metrics Google Mobile Analytics 95

Dynatrace

OCTOBER 28, 2019

Easily compare and view trends on multiple metrics with the new visualization. How does the customers’ browser version impact the speed of our website? Easily compare and view trends across multiple metrics. Charts reveal the highs and lows at a glance, so you can easily see how the different metrics affect each other.

Website 103

Website Metrics Tuning Analytics 103

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

Speed Curve

MAY 31, 2020

One of the huge benefits of tracking web performance over time is the ability to see trends and compare metrics. With the new 'Compare' feature, you can now generate side-by-side comparisons that let you not only spot regressions, but easily identify what caused them: Compare the same page at different points in time. Test case: CNN.

Metrics 61

Metrics Retail Benchmarking Testing 61

Speed Curve

NOVEMBER 29, 2020

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. We’ve had some time to evaluate and explore these metrics, and we're committed to transparently discussing their pros and cons.

Metrics 109

Metrics Entertainment Google Monitoring 109

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.? Suggestions?

Performance 52

Performance Metrics Google Testing 52

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

MAY 29, 2022

Not all metrics are created equal and I try to avoid picking favorites. This is true of many of the metrics we collect at SpeedCurve. To determine the smallest sample rate for each group, we looked at a combination of the aggregate numbers and a comparison of the histograms. This was a little tough. Increasing time windows.

Traffic 52

Traffic Metrics Monitoring Performance 52

Smashing Magazine

AUGUST 10, 2023

Running A Page Speed Test: Monitoring vs. Measuring Running A Page Speed Test: Monitoring vs. Measuring Geoff Graham 2023-08-10T08:00:00+00:00 2023-08-10T12:35:05+00:00 This article is sponsored by DebugBear There is no shortage of ways to measure the speed of a webpage. Lighthouse results.

Speed 82

Speed Monitoring Testing Network 82

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

Adrian Cockcroft

FEBRUARY 13, 2023

I asked around and heard that they are still working on it, but the AWS hiring freeze means that they don’t have the headcount they expected and are making slow progress on an API, more detailed metrics, and scope 3, which everyone is waiting for. Portfolio is currently reducing Amazons carbon footprint by 19 Million Metric Tons of CO2e.

AWS 64

AWS Energy Architecture Programming 64

Alex Russell

FEBRUARY 28, 2022

I propose four key ingredients: Definition: What is "performance" beyond page speed? The metrics that we report against implicitly cleave these into different "camps", leaving us thinking about pre- and post-load as distinct universes. Objections to the comparison are legion. What are its goals?

Performance 104

Performance Latency Architecture Network 104

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 115

Mobile Website Hardware Social Media 115

The Netflix TechBlog

DECEMBER 7, 2020

VMAF is a video quality metric that Netflix jointly developed with a number of university collaborators and open-sourced on Github. One aspect that differentiates VMAF from other traditional metrics such as PSNR or SSIM, is that VMAF is able to predict more consistently across spatial resolutions, across shots, and across genres (for example.

Metrics 154

Metrics Open Source Tuning Speed 154

Speed Curve

SEPTEMBER 20, 2021

The change may be related to volume ("I'm seeing a lot more users from Ireland today" or "We are getting a lot more traffic to our landing pages") or it may be related to a metric ("LCP has really slowed down after this last release, and it looks to be driven by slower backend time"). Investigate anomalies. Weird stuff happens.

Traffic 52

Traffic Monitoring Metrics Performance 52

CSS Wizardry

OCTOBER 16, 2023

In our specific examples above, the one-big-file pattern incurred 201ms of latency, whereas the many-files approach accumulated 4,362ms by comparison. Connection One thing we haven’t looked at is the impact of network speeds on these outcomes. That’s almost 22× more! It’s a balancing act for sure. ? For example: vendor.js

Cache 291

Cache Latency Strategy Speed 291

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

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

DECEMBER 11, 2019

This helps us do things like: correlate various performance metrics with user behavior, understand the user journey and popular pages so you can better model your synthetic testing, and. A lot of performance users really love that they can track business metrics specific to a session alongside their performance data.

Retail 59

Retail Traffic Media Metrics 59

Speed Curve

MAY 17, 2018

Now you can configure any of your Favorites dashboards to be summarized in a weekly email, like this one: Your weekly report emails are sent out at 9am every Monday (in your time zone) and contain a week-over-week comparison of all of the metrics in the dashboard. You can see at a glance whether things are improving or getting worse.

Metrics 40

Metrics Performance 40

Tim Kadlec

JANUARY 13, 2014

Pairing these aggressive numbers alongside the conservative targets derived from comparison gives you an acceptable range to target for your site (handy to get you started with a performance budget ). A step up is to measure the Speed Index of a page instead. Speed Index doesn’t really bother with what happens at on load.

Metrics 49

Metrics Speed Efficiency Performance 49

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. TTFB mobile speed distribution (CrUX, July 2019).

Speed 46

Speed Mobile Metrics Scalability 46

Tasktop

JUNE 6, 2019

Flow Velocity (the speed of delivery). I think that there are some interesting things to learn from this comparison. This gives teams the opportunity to discuss and determine prioritization policies, workflow design, and metrics used to measure team performance. The similarities and differences between financial and tech debt.

DevOps 80

DevOps Software Software Analytics 80

Dynatrace

FEBRUARY 15, 2023

SREs face ever more challenging situations as environment complexity increases, applications scale up, and organizations grow: Growing dependency graphs result in blind spots and the inability to correlate performance metrics with user experience. Additionally, you can easily use any previously defined metrics and SLOs from your environments.

DevOps 219

DevOps Latency Traffic Best Practices 219

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

CSS - Tricks

MARCH 16, 2020

Along with other general diagnostics and web performance metrics, a really useful feature of the report is that each of the key areas is aggregated into color-coded scores between 0-100. These are the numerical key performance metrics collected as part of any Lighthouse report. How should the metric comparison be output to the console?

Google 82

Google Latency Website Metrics 82

Dynatrace

FEBRUARY 10, 2021

Today, the speed of software development has become a key business differentiator, but collaboration, continuous improvement, and automation are even more critical to providing unprecedented customer value. Automated release inventory and version comparison.

Cloud 168

Cloud DevOps Speed Azure 168

Speed Curve

NOVEMBER 30, 2022

With your RUM Compare dashboard, you can easily generate side-by-side comparisons for any two cohorts of data. Triage a performance regression related to the latest change or deployment to your site by looking at a before/after comparison. To use, simply select the metric along with the upper and lower bounds for each cohort.

Traffic 54

Traffic Metrics Speed Mobile 54

Speed Curve

MARCH 24, 2024

In this post, I'll demonstrate how you can use SpeedCurve RUM to identify all types of navigations, their performance impact, and potential opportunities for delivering lightning-fast page speed to your users. For example, in SpeedCurve, prerendered pages will have a value of '0' for most metrics.

Performance 69

Performance Cache Metrics Retail 69

Dynatrace

JANUARY 31, 2024

Scenario : For many B2B SaaS companies, the number of reported customers is an important metric. In this scenario, a manually triggered run of a production pipeline had the unintended consequence of duplicating the reported customer metric.

DevOps 194

DevOps Analytics Airlines Metrics 194

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.

Website 129

Website Performance Google Media 129

Dynatrace

OCTOBER 30, 2023

This integrated approach represents significant time savings, drastically reducing MTTI and speeding mean time to resolution (MTTR). In a unified strategy, logs are not limited to applications but encompass infrastructure, business events, and custom metrics. In Grail, this data resides in business events historical logs.

Best Practices 244

Best Practices Analytics Artificial Intelligence Infrastructure 244

DZone

FEBRUARY 27, 2021

There were languages I briefly read about, including other performance comparisons on the internet. Considering all aspects and needs of current enterprise development, it is C++ and Java which outscore the other in terms of speed. These include Python, PHP, Perl, and Ruby.

Java 215

Java C++ Benchmarking Programming 215