Rigor

DECEMBER 19, 2019

Reading time 4 min It’s important for both technical and business teams to understand the different web performance monitoring options that are available as well as their various use cases and the benefits of each. Understanding Web Performance Monitoring Methodologies. Synthetic Monitoring. Real User Monitoring (RUM).

Monitoring 40

Monitoring Benchmarking Website Traffic 40

Speed Curve

MARCH 11, 2024

After years of development and testing, Google has added Interaction to Next Paint (INP) to its trifecta of Core Web Vitals – the performance metrics that are a key ingredient in its search ranking algorithm. Here at SpeedCurve, we definitely get excited about emerging metrics. Not sure what INP means or why it matters?

Mobile 81

Mobile Google Metrics Monitoring 81

Smashing Magazine

DECEMBER 7, 2023

If you’re reading this before March 2024 and fire up your favorite performance monitoring tool, you’re going to to get a Core Web Vitals report like this one pulled from PageSpeed Insights: ( Large preview ) You’re likely used to seeing most of these metrics. DebugBear actually tests with a slower network, resulting in more accurate data.

Traffic 97

Traffic Metrics Google Monitoring 97

Scalegrid

APRIL 5, 2024

It enhances scalability and manages traffic surges, though it requires specific client support and limits multi-key operations to a single hash slot. Redis Sharding: An Overview Consider Redis Cluster as a multi-lane highway where the lanes represent hash slots, and traffic symbolizes data. This can be ensured using hash tags.

Scalability 130

Scalability Efficiency Java Database 130

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 197

Metrics Mobile Testing Strategy 197

Testsigma

MARCH 2, 2022

No matter how much you test, a few bugs can still slip through the testing phase & reach production. If you missed testing something, it’s totally fine to admit the oversight and take corrective actions. Exhaustive testing is impossible with limited time, resources and budget. Don’t Panic.

Education 105

Education Strategy Traffic Testing 105

Dynatrace

DECEMBER 9, 2020

The Dynatrace Software Intelligence Platform delivers all the necessary Service-Level Indicators (SLIs) for defining your Service-Level Objectives (SLOs) and monitors the status and error budgets of those objectives. Each action button in the SLO wizard selects one of these important templates.

Metrics 147

Metrics Engineering Google Monitoring 147

VoltDB

FEBRUARY 29, 2024

In this fast-paced ecosystem, two vital elements determine the efficiency of this traffic: latency and throughput. THROUGHPUT: THE DATA HIGHWAY’S CAPACITY Throughput, on the other hand, is the highway’s capacity to handle traffic. It’s like a well-maintained highway where you can cruise without any traffic jams.

Latency 52

Latency Games Traffic Network 52

Percona

MAY 15, 2023

Normally this solution requires a full code redesign and could be quite difficult to achieve when it is injected after the initial code architecture definition. As illustrated above, ProxySQL allows us to set up a common entry point for the application and then redirect the traffic on the base of identified sharding keys.

Traffic 122

Traffic Scalability Database Servers 122

Apica

NOVEMBER 15, 2019

With this shift in applications everywhere enterprises need to do their due diligence in performance testing complex modern applications at scale, often and at a lower cost to stay competitive. With this growth and added complexity, how are your legacy performance testing solutions keeping up?

Performance Testing 40

Performance Testing Testing Performance Games 40

Smashing Magazine

OCTOBER 24, 2023

Monitoring The Main Thread If you’re like me, I immediately reach for DevTools and open the Lighthouse tab when I need to look into a site’s performance. We can get a better view if we run the same test in another service, like SpeedCurve , which digs deeper into the metric. The user is forced to wait a whopping 4.1

Google 93

Google Analytics Traffic Metrics 93

Dynatrace

MAY 28, 2020

Keptn uses SLO definitions to automatically configure Dynatrace or Prometheus alerting rules. After a new build gets deployed and automated tests executed, SLIs are evaluated against their SLOs and, depending on that result, a build is considered good (promoted) or bad (rolled back). “ This is what this blog is all about.

Engineering 185

Engineering Performance Metrics Best Practices 185

Percona

AUGUST 30, 2023

Disaster recovery strategies and testing One might think disaster begets loss, but with the right planning, that loss can be so minimal it’s more “blip” than “bad.” Whatever plan you arrive at, you must test it. Application testing: Test to make sure applications function correctly after recovery.

Database 86

Database Hardware Open Source Strategy 86

Dynatrace

JUNE 17, 2019

Keptn is taking care of: Automated Deployments and Automated Tests. Automated Operations by integrating with full stack monitoring such as Dynatrace. scaling up in case more resources are needed, redirect traffic for certain users, clear log directories, … In order to react fast, it is mandatory to automate as many of these tasks.

Cloud 189

Cloud Open Source Traffic Architecture 189

Dynatrace

APRIL 30, 2019

Most of the time is taken by quality or release engineers looking at test results, comparing them with previous builds or walking through a checklist of items that accumulated over the years in order to harden their release acceptance process. days and therefore contributing > 90% of the overall Commit Cycle Time! Pitometer is a Node.js

Architecture 125

Architecture Open Source Azure Metrics 125

CSS - Tricks

JUNE 25, 2020

When you’re doing performance testing, much of it is what you would call synthetic testing. This is going to tell us stuff like what pages are the most popular, how long people spend on the site, and what countries deliver the most traffic. One aspect to this is RUM, that is, “Real User Monitoring.”

Analytics 93

Analytics Google Metrics Performance Testing 93

The Morning Paper

SEPTEMBER 24, 2019

you should definitely check it out if you don’t already know it!). There are four main parts to the story here: The testing environment that runs apps in a ‘honeypot’ and figures out which of those apps are leaking data they don’t have permission to obtain. most apps). most apps). Finding out how those apps leak data.

Systems 74

Systems Traffic Network Google 74

Smashing Magazine

APRIL 19, 2021

Total Blocking Time (TBT) is a good proxy for FID when using a testing tool without any direct user interaction, but also keep an eye on Time to Interactive (TTI) when looking at FID. These tools run page loads on simulated networks and devices and then tell you what the metrics were for that test run. Cumulative Layout Shift (CLS).

Google 141

Google Metrics Mobile Analytics 141

Rigor

SEPTEMBER 17, 2019

He goes into detail covering the steps that need to be taken to ensure that a website or application is prepared for an influx of traffic, from scoping and testing to setting expectations and creating a contingency plan. Performance testing. Rich Howard on… Peak-load readiness. Practical planning. Stakeholder involvement.

Performance 68

Performance Traffic Website Performance Testing 68

The Netflix TechBlog

JUNE 14, 2023

The three strategies we will discuss today are AB Testing , Replay Testing, and Sticky Canaries. To launch Phase 1 safely, we used AB Testing. To launch Phase 2 safely, we used Replay Testing and Sticky Canaries. We knew we could test the same query with the same inputs and consistently expect the same results.

Traffic 353

Traffic Latency Cache Metrics 353

Percona

MARCH 7, 2019

I’ll show you how we approached the resolution of a MySQL performance issue and used Percona Monitoring and Management PMM to support troubleshooting. The customer had noticed a linear high CPU usage in one of their MySQL instances and was not able to figure out why as there was no much traffic hitting the app.

C++ 99

C++ Traffic Servers Monitoring 99

Tasktop

JUNE 28, 2022

Definitions. They monitor the movement of four types of Flow Items, which are features, defects, debts and risks. We can clarify this with a traffic analogy: if story points track individual vehicles down one road, Flow Metrics measure the flow of traffic throughout the whole city. What are story points?

Metrics 52

Metrics Traffic Efficiency Design 52

KeyCDN

OCTOBER 31, 2018

Eclipse is open source and has all of the features you’d expect out of an IDE such as PHP profiling, syntax highlighting and unit testing; however, it requires a lot of resources to run, which could present an issue for smaller development teams. Best PHP Testing Tools 1. Even better, it works on Windows, Mac and Linux.

Development 57

Development Open Source Java AWS 57

The Symphonia

MAY 22, 2018

But I’ve already done that elsewhere, with John, so I left it with adding a link to our definition. I think there’s definitely a place for both models for now, as I describe. In testing we have seen some advances in tools, and in mindset. Lambda and Azure functions both now offer some amount of local-integration testing.

Serverless 40

Serverless Architecture Lambda Azure 40

MachMetrics

JULY 27, 2018

If you run a private WebPageTest instance on Amazon EC2, one of the choices you’ll have to make is whether to use Linux or Windows test agents. But last week I switched over to Linux test agents, and I don’t think I’ll ever go back to Windows – here’s why: 1. Linux Agents are more consistent.

Speed 40

Speed Hardware Internet Internet 40

Alex Russell

JULY 14, 2021

Meanwhile, on Android, the #2 and #3 sources of web traffic do not respect browser choice. I've got a long blog post brewing on this, but jumping to the end, an operable definition is: A browser is an application that can register with an OS to handle http and https navigations by default. "What, then, is a 'browser'?"

Google 121

Google Mobile Engineering Internet 121

Smashing Magazine

JANUARY 11, 2021

This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. You can then mimic the 90th percentile’s experience for testing. Vitaly Friedman. 2021-01-11T15:30:13+00:00. Quick Wins.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

OCTOBER 15, 2018

A website today receives a large chunk of its traffic from evergreen browsers — most of which have good support for ES6+, new JavaScript standards, new web platform APIs and CSS attributes. js', }, module: { rules: [ { test: /.jsx?$/, jsx?$/, use: "babel-loader" }, { test: /.css$/, Maintenance And Testing.

Code 59

Code Retail Mobile Website 59

Smashing Magazine

JANUARY 6, 2020

Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. Alternatively, you can also use Speed Scorecard (also provides a revenue impact estimator), Real User Experience Test Comparison or SiteSpeed CI (based on synthetic testing). Now you have something measurable to test against.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

Testing And Monitoring. You can then mimic the 90th percentile’s experience for testing. And if you are using CI to test the budgets, you need to make sure your tested environment matches CrUX if you used CrUX for setting the target ( thanks Patrick Meenan! ). Now you have something measurable to test against.

Performance 104

Performance Cache Metrics Network 104

The Netflix TechBlog

JANUARY 10, 2024

Since then, the video pipeline has undergone substantial improvements and broad expansions: Starting with Standard Dynamic Range (SDR) at Standard-Definitions , we expanded the encoding pipeline to 4K and High Dynamic Range (HDR) which enabled support for our premium offering. This testing stage took about two weeks.

Processing 229

Processing Media Latency Innovation 229

Smashing Magazine

SEPTEMBER 24, 2021

That was until we went to production with our highest traffic customer. is amazing, but there are definitely some challenges. Add Automated Tests. It also helps to monitor production and track the performance of the pages and the CPU time involved. From the moment we went live, we experienced performance issues.

Website 115

Website Code Servers Analytics 115

Alex Russell

OCTOBER 22, 2017

Tools and CI systems help them monitor progress & prevent regressions. Automating testing against an objective baseline. Contended, over-subscribed cells can make “fast” networks brutally slow, transport variance can make TCP much less efficient , and the bursty nature of web traffic works against us.

Performance 68

Performance Benchmarking Network Mobile 68