Design, Metrics, Speed and Testing - Technology Performance Pulse

Site-Speed Topography

CSS Wizardry

NOVEMBER 3, 2020

When first working on a new site-speed engagement, you need to work out quickly where the slowdowns, blindspots, and inefficiencies lie. Any time you run a test with WebPageTest, you’ll get this table of different milestones and metrics. Note the bottom row shows me the Standard Deviation of the tests’ results.

Speed

Speed Ecommerce Metrics Analytics

Crucial Redis Monitoring Metrics You Must Watch

Scalegrid

JANUARY 25, 2024

You will need to know which monitoring metrics for Redis to watch and a tool to monitor these critical server metrics to ensure its health. Redis returns a big list of database metrics when you run the info command on the Redis shell. You can pick a smart selection of relevant metrics from these.

Metrics

Metrics Monitoring Latency Cache

What is synthetic testing?

Dynatrace

OCTOBER 16, 2023

Synthetic testing simulates real-user behaviors within an application or service to pinpoint potential problems. Here’s a look at why this testing matters, how it works, and what companies need to get the most from this approach. What is synthetic testing? RUM, meanwhile, requires actual users.

Testing

Testing Best Practices Testing Tools Monitoring

Running A Page Speed Test: Monitoring vs. Measuring

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

Speed Monitoring Testing Network

Create compelling insights into business and operational KPIs through metric calculations in the Data explorer

Dynatrace

AUGUST 2, 2021

Metrics matter. But without complex analytics to make sense of them in context, metrics are often too raw to be useful on their own. To achieve relevant insights, raw metrics typically need to be processed through filtering, aggregation, or arithmetic operations. Examples of metric calculations. Dynatrace news.

Metrics

Metrics Analytics Google Code

Toward a Better Quality Metric for the Video Community

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

Metrics Open Source Tuning Speed

How Dynatrace empowers performance engineering teams to test at scale

Dynatrace

APRIL 30, 2021

As organizations develop more applications and microservices, they are discovering they also need to run more performance tests in the same amount of time or less to meet service-level objectives (SLOs) that fulfill service-level agreements (SLAs). How can organizations address this process bottleneck and run more tests in less time?

Engineering

Engineering Testing Performance Performance Testing

Core Web Vitals for Search Engine Optimisation: What Do We Need to Know?

CSS Wizardry

JULY 23, 2023

Google do strongly encourage you to focus on site speed for better performance in Search, but, if you don’t pass all relevant Core Web Vitals (and the applicable factors from the Page Experience report) they will not push you down the rankings. While Core Web Vitals can help with SEO, there’s so much more to site-speed than that.

Engineering

Engineering Google Speed Mobile

Google Lighthouse Audits – How to use Chrome’s built-in speed testing tool

MachMetrics

FEBRUARY 27, 2020

If you’re not a developer/designer, you may not be familiar with the Chrome DevTools and the extremely powerful Google Lighthouse Audits that can be found inside. However, you have likely used the Web UI that Google uses to allow you to test websites for speed – Google PageSpeed Insights. Performance. Accessibility.

Google

Google Speed Testing Tools Testing

How multicloud observability boosts cloud performance at Tractor Supply Co.

Dynatrace

APRIL 10, 2023

The need for transaction speed in the face of increasing digital customer demand According to Bollampally, the company’s on-premises infrastructure couldn’t support the consolidated reporting it needed while responding to customers’ increasing demand for online shopping. Further, as Tractor Supply Co.

Cloud

Cloud Ecommerce Performance Retail

The Three Cs: Concatenate, Compress, Cache

CSS Wizardry

OCTOBER 16, 2023

In one test, I concatenated it all into one big file, and the other had the library split into 12 files. Read the complete test methodology. Compress The above tests were run with Brotli compression 2. Connection One thing we haven’t looked at is the impact of network speeds on these outcomes. For example: vendor.js

Cache

Cache Latency Strategy Speed

Safe Updates of Client Applications at Netflix

The Netflix TechBlog

OCTOBER 7, 2021

At Netflix, we have significant investments in ensuring new versions of our applications are well tested. However, Netflix is available for streaming on thousands of types of devices and it is powered by hundreds of micro-services which are deployed independently, making it extremely challenging to comprehensively test internally.

Metrics

Metrics Mobile Testing Strategy

What is DevOps automation?

Dynatrace

SEPTEMBER 22, 2022

Staying ahead of customer needs requires speed and agility from all phases of the software development life cycle (SDLC). Automating tasks throughout the SDLC helps software development and operations teams collaborate while continuously improving how they design, build, test, deploy, release, and monitor software applications.

DevOps

DevOps Innovation Speed Monitoring

Integrate Dynatrace more easily using the new Metrics REST API

Dynatrace

JUNE 28, 2019

As a full stack monitoring platform, Dynatrace collects a huge number of metrics for each OneAgent monitored host in your environment. Depending on the types of technologies you’re running on your individual hosts, the average number of metrics is about 500 per computational node. Our API-first design promotes automation.

Metrics

Metrics Efficiency Monitoring Azure

What is function as a service? App development gets FaaS and furious

Dynatrace

AUGUST 11, 2022

Effective application development requires speed and specificity. This enables teams to quickly develop and test key functions without the headaches typically associated with in-house infrastructure management. Increased testing complexity. Consider a monolithic application, for example, designed to perform a host of functions.

Development

Development Serverless Best Practices Lambda

DevOps observability: A guide for DevOps and DevSecOps teams

Dynatrace

JANUARY 18, 2023

However, getting reliable answers from observability data so teams can automate more processes to ensure speed, quality, and reliability can be challenging. This drive for speed has a cost: 22% of leaders admit they’re under so much pressure to innovate faster that they must sacrifice code quality.

DevOps

DevOps Best Practices Innovation Strategy

Core Web Vitals Tools To Boost Your Web Performance Scores

Smashing Magazine

AUGUST 9, 2022

It can be measured based on real data from users visiting your sites ( field metric ) or in a lab environment ( lab metric ). In fact, several user-centric metrics are used to quantify web vitals. While most of the tools covered below only rely on field metrics, others use a mix of both field and lab metrics.

Performance

Performance Benchmarking Website Metrics

Performance Testing with Open Source Tools – Myths and Reality

Alex Podelko

SEPTEMBER 8, 2020

Some time ago Federico Toledo published Performance Testing with Open Source Tools- Busting The Myths. I remember really liking the technical side of these tests. But I must confess I was not too fond of having to report the results to stakeholders or deal with political/personal issues related to (poor) test results.

Open Source

Open Source Performance Testing Testing Performance

Bringing AV1 Streaming to Netflix Members’ TVs

The Netflix TechBlog

NOVEMBER 9, 2021

To achieve this goal, the Encoding Technologies team made the following design decisions about AV1 encoding recipes: We always encode at the highest available source resolution and frame rate. With multiple iterations, the team arrived at a recipe that significantly speeds up the encoding with negligible compression efficiency changes.

Media

Media Open Source Efficiency Software Engineering

Reimagining Experimentation Analysis at Netflix

The Netflix TechBlog

SEPTEMBER 10, 2019

Toby Mao , Sri Sri Perangur , Colin McFarland Another day, another custom script to analyze an A/B test. You can look at ABlaze (our centralized A/B testing platform) and take a quick look at how it’s performing. At any point a Netflix user is in many different A/B tests orchestrated through ABlaze. Not at Netflix.

Metrics

Metrics Architecture Infrastructure Innovation

What is digital immunity? Creating secure, resilient software with observability

Dynatrace

NOVEMBER 2, 2022

This methodology combines software design, development, automation, operations, and analytics to boost customer experience, increase application security, and reduce downtime that affects business outcomes. Autonomous testing. As teams develop software more quickly, they can’t rely on manual methods to test applications.

Software

Software Software Artificial Intelligence DevOps

Azure Well-Architected Framework: What it is and how to tame it with AI and automation

Dynatrace

APRIL 21, 2022

Most monitoring tools for migrations, development, and operations focus on collecting and aggregating the three pillars of observability— metrics, traces, and logs. The Azure Well-Architected Framework is a set of guiding tenets organizations can use to evaluate architecture and implement designs that will scale over time. Reliability.

Azure

Azure Monitoring Virtualization Metrics

The top four log analytics and log management best practices

Dynatrace

OCTOBER 30, 2023

Thus, organizations face the critical problem of designing and implementing effective solutions to manage this growing data deluge and its associated implications. This integrated approach represents significant time savings, drastically reducing MTTI and speeding mean time to resolution (MTTR). Set up processing rules.

Best Practices

Best Practices Analytics Artificial Intelligence Infrastructure

Five ways cookie consent managers hurt web performance (and how to fix them)

Speed Curve

APRIL 14, 2024

It's common to see the consent scripts blocking by design. This can have an impact on most metrics – such as Start Render and Largest Contentful Paint – downstream. If you were just looking at metrics, the event timeline comparison below may be a bit of a head-scratcher. How do I bypass the CMP?

Performance

Performance Best Practices Metrics Internet

Evaluating rendering metrics

Speed Curve

DECEMBER 10, 2017

Network metrics have been around for decades, but rendering metrics are newer. Speed Index. These are a few of the rendering metrics that currently exist. A brief history of performance metrics. Metrics quantify behavior. Metrics quantify behavior. Gaps in today's performance metrics.

Metrics

Metrics Website Speed Monitoring

Introducing Dynatrace built-in data observability on Davis AI and Grail

Dynatrace

JANUARY 31, 2024

In the age of AI, data observability has become foundational and complementary to AI observability, data quality being essential for training and testing AI models. Scenario : For many B2B SaaS companies, the number of reported customers is an important metric.

DevOps

DevOps Analytics Airlines Metrics

Implementing AWS well-architected pillars with automated workflows

Dynatrace

SEPTEMBER 13, 2023

This is a set of best practices and guidelines that help you design and operate reliable, secure, efficient, cost-effective, and sustainable systems in the cloud. Storing frequently accessed data in faster storage, usually in-memory caching, improves data retrieval speed and overall system performance. Beyond

AWS

AWS Efficiency Azure Cloud

SKP's Java/Java EE Gotchas: Clash of the Titans, C++ vs. Java!

DZone

FEBRUARY 27, 2021

This begins not only in designing the algorithm or coming out with efficient and robust architecture but right onto the choice of programming language. Considering all aspects and needs of current enterprise development, it is C++ and Java which outscore the other in terms of speed. But you can not buy Bytelandian coins.

Java

Java C++ Benchmarking Programming

What are SLOs? How service-level objectives work with SLIs to deliver on SLAs

Dynatrace

DECEMBER 2, 2021

These can include business metrics, such as conversion rates, uptime, and availability; service metrics, such as application performance; or technical metrics, such as dependencies to third-party services, underlying CPU, and the cost of running a service. What are SLIs? For example, if your SLO is to deliver 99.5%

Metrics

Metrics Best Practices DevOps Infrastructure

Front-End Testing is For Everyone

CSS - Tricks

JUNE 1, 2021

Testing is one of those things that you either get super excited about or kinda close your eyes and walk away. Whichever camp you fall into, I’m here to tell you that front-end testing is for everyone. In fact, there are many types of tests and perhaps that is where some of the initial fear or confusion comes from. Integration.

Testing

Testing Performance Testing Website Code

Improving The Performance Of Wix Websites (Case Study)

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. There are more challenges for us in addition to scale and diversity: Retaining existing design and behavior. Creating A Performance Culture.

Website

Website Performance Google Media

Mobile testing: Most critical scenarios you shouldn’t miss to test

Testsigma

APRIL 13, 2022

Therefore, as a developer and a tester, it becomes a highly responsible job to test these mobile applications and deliver the best quality. However, we understand that if you are in this profession, you probably know all the basic test cases, scenarios and the holes where bugs can be found. Security related scenarios in mobile testing.

Mobile

Mobile Social Media Testing Media

Fostering a Web Performance Culture

Jos

JUNE 2, 2018

At the same time, they open a door to lots of concepts that might be overwhelming: PRPL, RAIL, Paint Timing API, TTI, HTTP/2, Speed Index, Priority Hints and more … Why Performance doesn’t get Prioritized Web performance at organizations is a real challenge. And don’t forget about covering your back with tests.

Performance

Performance Speed Google Media

Why Are User Journeys So Difficult to Test?

Apica

DECEMBER 12, 2022

In our previous post, we established user journeys as the essential goal of software testing efforts. If you were on a desert island and forced to bring only one service level objective of a successful application, you would absolutely want to keep tracking user journeys, leaving the rest of the metrics behind. Let’s move past it.

Testing

Testing DevOps Monitoring Media

Exploring Data @ Netflix

The Netflix TechBlog

JUNE 25, 2021

Dynomite is a high-speed in-memory database, providing highly available cross datacenter replication while preserving Redis-like semantics. Browsing your accessible clusters in different environments and regions Schema Designer Writing CREATE TABLE statements can be an intimidating experience for new Cassandra users.

Metrics

Metrics Best Practices Strategy Design

InfoSec 2022 guide: How DevSecOps practices drive organizational resilience

Dynatrace

JUNE 13, 2022

But with this speed, agility, and innovation come new challenges. To combat these challenges, organizations need an IT culture that addresses security resilience from the outset—also known as security by design —which, in turn, supports business resilience. DevSecOps: Security by design.

Open Source

Open Source DevOps Java Innovation

What is real user monitoring (RUM)?

Dynatrace

JANUARY 13, 2022

Real user monitoring collects data on a variety of metrics. For example, data collected on load actions can include navigation start, request start, and speed index metrics. Real user monitoring works by injecting code into an application to capture metrics while the application is in use. How real user monitoring works.

Monitoring

Monitoring Latency Mobile Best Practices

Continuous performance with guardrails and breadcrumbs

Speed Curve

MARCH 3, 2024

The reality is that, as critical as site speed is, it’s also very easy to overlook. We need breadcrumbs that we can follow back to the source to help us identify why a metric may have changed. I like to define a performance budget as a clearly defined limit on one or more performance metrics that the team agrees not to exceed.

Performance

Performance Metrics Code Testing

Common SLO pitfalls and how to avoid them

Dynatrace

FEBRUARY 2, 2022

To avoid this, start the SLO discussion early in the design process. However, another of the common SLO pitfalls is that many organizations assemble these metrics manually using disparate tools, which can take time from innovation. Push for SLO evaluation to be incorporated into the CI/CD pipeline and not just in production.

DevOps

DevOps Metrics Best Practices Latency

The State Of Mobile And Why Mobile Web Testing Matters

Smashing Magazine

MARCH 2, 2021

The State Of Mobile And Why Mobile Web Testing Matters. The State Of Mobile And Why Mobile Web Testing Matters. And to ensure the quality of a product, we always need to test — on a number of devices, and in a number of conditions. What’s a representative device to test on in 2021? Driving Business Metrics.

Mobile

Mobile Testing Website Benchmarking

10 things I love about SpeedCurve (that I think you'll love, too)

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

Benchmarking Metrics Website Monitoring

What is AIOps? Everything you wanted to know

Dynatrace

OCTOBER 14, 2021

Traditional AIOps: Traditional AIOps approaches are designed to reduce alerts and utilize machine-learning models to deliver correlation-based dashboards. Traditional AIOps is limited in the types of inferences it can make because it depends on metrics, logs, and trace data without a model of how components of systems are structured.

Artificial Intelligence

Artificial Intelligence DevOps Innovation Metrics

SVT-AV1: an open-source AV1 encoder and decoder

The Netflix TechBlog

MARCH 13, 2020

SVT-AV1 also includes extensive documentation on the encoder design targeted to facilitate the onboarding process for new developers. Compression efficiency and performance Encoder performance SVT-AV1 reaches similar compression efficiency as libaom at the slowest speed settings. A single-threaded compression mode is used.

Open Source

Open Source Efficiency C++ Speed

Common Challenges in Continuous Testing

Testsigma

AUGUST 24, 2020

Continuous Testing is the process of testing at all stages of software development – one after the another- without any human intervention. Continuous Testing is key to faster delivery of Agile products to the market. But the path to achieving Continuous Testing has its own challenges, most common of which are mentioned below.

Testing

Testing Open Source Scalability Latency

Site-Speed Topography

Crucial Redis Monitoring Metrics You Must Watch

Trending Sources

What is synthetic testing?

Running A Page Speed Test: Monitoring vs. Measuring

Create compelling insights into business and operational KPIs through metric calculations in the Data explorer

Toward a Better Quality Metric for the Video Community

How Dynatrace empowers performance engineering teams to test at scale

Core Web Vitals for Search Engine Optimisation: What Do We Need to Know?

Google Lighthouse Audits – How to use Chrome’s built-in speed testing tool

How multicloud observability boosts cloud performance at Tractor Supply Co.

The Three Cs: Concatenate, Compress, Cache

Safe Updates of Client Applications at Netflix

What is DevOps automation?

Integrate Dynatrace more easily using the new Metrics REST API

What is function as a service? App development gets FaaS and furious

DevOps observability: A guide for DevOps and DevSecOps teams

Core Web Vitals Tools To Boost Your Web Performance Scores

Performance Testing with Open Source Tools – Myths and Reality

Bringing AV1 Streaming to Netflix Members’ TVs

Reimagining Experimentation Analysis at Netflix

What is digital immunity? Creating secure, resilient software with observability

Azure Well-Architected Framework: What it is and how to tame it with AI and automation

The top four log analytics and log management best practices

Five ways cookie consent managers hurt web performance (and how to fix them)

Evaluating rendering metrics

Introducing Dynatrace built-in data observability on Davis AI and Grail

Implementing AWS well-architected pillars with automated workflows

SKP's Java/Java EE Gotchas: Clash of the Titans, C++ vs. Java!

What are SLOs? How service-level objectives work with SLIs to deliver on SLAs

Front-End Testing is For Everyone

Improving The Performance Of Wix Websites (Case Study)

Mobile testing: Most critical scenarios you shouldn’t miss to test

Fostering a Web Performance Culture

Why Are User Journeys So Difficult to Test?

Exploring Data @ Netflix

InfoSec 2022 guide: How DevSecOps practices drive organizational resilience

What is real user monitoring (RUM)?

Continuous performance with guardrails and breadcrumbs

Common SLO pitfalls and how to avoid them

The State Of Mobile And Why Mobile Web Testing Matters

10 things I love about SpeedCurve (that I think you'll love, too)

What is AIOps? Everything you wanted to know

SVT-AV1: an open-source AV1 encoder and decoder

Common Challenges in Continuous Testing

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