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The Performance Impact of Async – Looking at the PurePath

In my last post I introduced the async and await keywords and I showed you what the C# compiler generates from an async method. In this post we will see what the PurePath looks like when we use an async API in our code. Feel free to follow my steps by downloading the free trial […]

The post The Performance Impact of Async – Looking at the PurePath appeared first on Compuware APM Blog.

Categories: Load & Perf Testing

New findings: For top ecommerce sites, mobile web performance is wildly inconsistent

Web Performance Today - Wed, 10/22/2014 - 23:23

Mobile has never been more crucial to business success than it is right now.

Chances are, you’ve been exposed to some version of this statement so many times that you’re probably (understandably) immune to it. But it bears repeating:

Mobile has never been more crucial to business success than it is right now. Brace yourself for a barrage of stats that prove it:

  • One out of four people on our planet own a smartphone.
  • More than half of all time spent on retail sites takes place on a mobile device.
  • The average online shopper makes 6.2 visits to a company’s website, using 2.6 devices, before they buy.
  • Just a one-second delay in mobile load times can hurt conversions and cart size by up to 3.5%.
  • Slow pages also drive mobile shoppers to the competition, with 30% of dissatisfied shoppers saying they will never return.
  • 65% of consumers say that a poor online experience has a direct impact on their opinion of a brand.

This is why sites need to perform quickly and consistently across all platforms. This is why it’s critical for site owners to have visibility into the real-world mobile performance of their sites. And this is why, every year at Radware, we study the mobile performance of the top 100 ecommerce sites to see how they measure up to user expectations.

Our latest report — the 2014 State of the Union: Mobile Page Speed and Web Performance — is now available for download. Today, I want to share some of our key findings and takeaways.

Background

Measuring mobile performance is extremely challenging — much more so than measuring desktop performance. Here’s how we tackled mobile performance measurement for this research:

In July and August, we engaged in a four-week study of the top 100 retail websites, as ranked by Alexa.com. Using an online tool called WebWait, which measures load times in real time, we subjected the home page of each site – both the full-site version and the m-dot version – to ten page speed tests each, and we used the median numbers for each set of tests. We tested on a variety of Android and iOS smartphones and tablets (using their native browsers) over 4G and Wifi networks. If this sounds incredibly laborious, that’s because it was.

We also looked some other numbers, such as which sites serve m-dot and t-dot versions of their pages to smartphones and tablets.

The goal of this research was to gain an understanding of how the world’s most popular ecommerce sites perform for real users in real-world settings, outside of development and testing environments.

The results were eye-opening. We found that performance on mobile devices is wildly inconsistent across devices and platforms.

Both m-dot sites and full sites fail to meet user expectations.

Almost half of mobile users expect pages to load in 2 seconds or less, and 40% will abandon a page that takes longer than 3 seconds to load.

We found that — regardless of the type of site, device, or network — the median site in each batch of tests failed to meet user expectations:

  • Among the top 100 retail websites, the median m-dot page took 4.8 seconds to load on the iPhone 5s, and 7 seconds to load on the iPhone 4s (over LTE).
  • The median full-site page performed much worse than the median m-dot page, taking 11 seconds to load on the iPhone 5s and 15.2 seconds on the iPhone 4s.
  • Only 2% of full-site pages loaded in the ideal time of 4 seconds or less on the iPhone 4s.
  • 15% of full-site pages loaded in fewer than 4 seconds on the iPhone 5s.

Median load times also varied across tablets, ranging from 5.7 seconds for the Galaxy Note to 8.1 seconds for the Nexus 7.

IMPORTANT: These tests are most emphatically not intended to be taken as performance reviews of the devices we tested on. Rather, they demonstrate how broadly performance can vary across mobile devices, with the slowest device performing three times more slowly than the fastest device. Site owners need to be aware that this degree of variance exists among their users so that they can prioritize performance testing their pages across a range of devices and connection types.

As device fragmentation continues to accelerate, website fragmentation also continues.

When I see graphics like this one, via OpenSignal, which illustrates the current state of Android fragmentation, I hurt for site owners and developers.

According to OpenSignal’s data, the number of distinct devices that have downloaded their app grew by almost 60% in just one year — from 11,868 in 2013 to a staggering 18,769 in August 2014. This graphic beautifully (if painfully) illustrates the massive challenge faced by developers who are tasked with optimizing sites and apps across platforms and devices.

In looking at the top 100 retailers, we found that most are making a brave attempt to serve optimized versions of their sites to the different high-level device categories:

  • 81% of the top 100 retailers automatically serve an m-dot version of their site to smartphones.
  • Up to 8% serve a t-dot (tablet-optimized) version of their site to tablets.

But among those retailers serving a t-dot version of their site to tablets, the success rate really depends on which tablet you look at. We found that when it comes to delivering the right site to the right device, results are all over the map. Yes, between 6-8% of sites serve t-dot pages to the iPad/iPadMini, but as few as 1% of the top 100 sites served the t-dot site to Android tablets.

What’s worse is the fact that many sites are still serving their m-dot pages to tablets — particularly Android tablets — despite the fact that tablet users expect a desktop-like experience. We found that 5-6% of sites served m-dot pages to the iPad and the iPad Mini, while up to 30% of sites served m-dot pages to Android devices.

Conclusion and takeaways

It’s impossible to emphasize enough the immediacy and urgency of addressing mobile performance. Users expect pages to be at least as fast on their smartphones and tablets as they are on the desktop, and they don’t care about the many factors that limit mobile performance. They don’t care that mobile devices don’t have the processor power to deliver a speedy desktop experience. They don’t care that the browser cache is relatively tiny compared to desktop. And they don’t care about slower networks and greater latency. As far as most mobile users are concerned, that’s our problem to fix, not theirs.

Responsive web design (RWD) further complicates the challenge. A growing number of site owners recognize that maintaining multiple websites is not a sustainable solution. In an effort to create a consistent user experience across platforms, many sites are turning to responsive design. However, responsive websites are complex, and that complexity can come with a serious performance price tag. While it’s quite possible to design a website that is both responsive and fast, these two attributes don’t automatically go hand in hand. Creating a fast responsive site requires a deep understanding and knowledge of both responsive design and front-end performance optimization.

Here’s what I hope people will take away from this report:

  • Most sites don’t currently deliver a satisfactory experience on mobile devices.
  • There’s no magic bullet for mobile performance.
  • Maintaining separate desktop, m-dot, and t-dot sites may not be a sustainable practice in the long term.
  • Don’t serve your m-dot site to tablets — that means any tablets, not just iPads.
  • Test your site — and test it often — on a variety of devices, browsers, and connection speeds.
Get the report: 2014 State of the Union: Mobile Ecommerce Web Performance

The post New findings: For top ecommerce sites, mobile web performance is wildly inconsistent appeared first on Web Performance Today.

Facts and Figures in Software Engineering Research (Part 2)

DevelopSense - Michael Bolton - Wed, 10/22/2014 - 20:13
On July 23, 2002, Capers Jones, Chief Scientist Emeritus of a company called Software Productivity Research gave a presentation called “SOFTWARE QUALITY IN 2002: A SURVEY OF THE STATE OF THE ART”. In this presentation, he shows data on a slide titled “U.S. Averages for Software Quality”. (Source: http://bit.ly/1rj19Ol, accessed September 5, 2014) It is […]
Categories: Software Testing

Webcast: Debugging Mobile Web Apps: Tips, Tricks, Tools, and Techniques - Jul 17 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

Debugging web apps across multiple platforms and devices can be extremely difficult. Fortunately there are a few cutting edge tools that can ease the pain. Follow along as Jonathan demonstrates how - and when - to use the latest and greatest tools and techniques to debug the mobile web.

About Jonathan Stark

Jonathan Stark is a mobile strategy consultant who helps CEOs transition their business to mobile.

Jonathan is the author of three books on mobile and web development, most notably O'Reilly's Building iPhone Apps with HTML, CSS, and JavaScript which is available in seven languages.

His Jonathan's Card experiment made international headlines by combining mobile payments with social giving to create a "pay it forward" coffee movement at Starbucks locations all over the U.S.

Hear Jonathan speak, watch his talk show, listen to his podcast (co-hosted with the incomparable @kellishaver), join the mailing list, or connect online:

Webcast: Modern Web Design with Progressive Enhancement, Responsive Design, and CSS3 - Jun 19 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

Building compelling web experiences that work across a wide range of devices without descending to "lowest common denominator" design can be a challenge. Follow along with Jonathan Stark as he uses progressive enhancement, responsive design, and cutting edge CSS3 techniques to build a sophisticated user interface that will run virtually everywhere.

About Jonathan Stark

Jonathan Stark is a mobile strategy consultant who helps CEOs transition their business to mobile.

Jonathan is the author of three books on mobile and web development, most notably O'Reilly's Building iPhone Apps with HTML, CSS, and JavaScript which is available in seven languages.

His Jonathan's Card experiment made international headlines by combining mobile payments with social giving to create a "pay it forward" coffee movement at Starbucks locations all over the U.S.

Hear Jonathan speak, watch his talk show, listen to his podcast (co-hosted with the incomparable @kellishaver), join the mailing list, or connect online:

Webcast: Moving Your eCommerce to the Cloud - May 30 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

Is your eCommerce solution ready for the cloud? Learn how to incrementally adopt cloud computing (specifically public Infrastructure-as-a-Service and Platform-as-a-Service) and to marshal as much capacity as needed to handle peak holiday or special-event traffic.

Advances in the cloud over the past few years now make it possible to run an enterprise-class eCommerce platform out of a cloud. We'll help architects leverage these advances by covering:

  • Cloud service models (IaaS, PaaS, Software-as-a-Service) and deployment models (public, hybrid, private)
  • The impact of omnichannel retailing on platform architecture and deployment architecture
  • Building an auto-scaling solution that can quickly add or subtract hardware in response to real-time traffic
  • Re-applying what you already know about security to the cloud
  • Running a single eCommerce platform from multiple data centers, including several forms of multi-master
  • Creating a hybrid solution or deploy your entire platform in the cloud
  • Application and deployment architecture for "cloud native" through legacy eCommerce platforms
  • Using a SaaS for eCommerce, including content delivery networks and global site Load balancing services
About Kelly Goetsch

Kelly Goetsch is Oracle's leading expert on large-scale eCommerce deployments, having architected, implemented and advised many of the largest eCommerce properties in the world. Kelly is director of product management in Oracle's Cloud Application Foundation group, where he is at the intersection of Oracle Commerce and the larger portfolio of Oracle products that power eCommerce. Kelly has written eight white papers on various topics related to large-scale eCommerce and regularly speaks at industry events. He has filed for three patents and hold a bachelor's degree in Entrepreneurship and a master's degree in Information Systems Management, both from the University of Illinois at Chicago.

Kelly Goetsch 2014-05-30T01:23:08-08:12

Webcast: Create Cool Projects with Arduino and Electronics! - May 29 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

Congratulations! You are the proud owner of the Ultimate Arduino Microcontroller Pack. But now what? In this webcast, we will highlight several Arduino projects you can create using this kit and learn about electronics while building fun devices. The projects are examples from the book Make: Basic Arduino Projects.

About Don Wilcher

Don Wilcher is a passionate teacher of electronics technology and an electrical engineer with 26 years of experience. He's worked on industrial robotic systems, automotive electronic modules, systems, and embedded wireless controls for small consumer appliances. While at Chrysler Corporation, Don developed a weekend enrichment pre-engineering program for inner city kids. He is the Department Chair for the School of Electronics Technology of ITT Technical Institute at the Madison, AL campus.

Don Wilcher 2014-05-29T12:22:24-08:13

Webcast: Beyond Security: Getting to Know OpenBSD's Real Purpose - May 27 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

OpenBSD is frequently billed as a high-security operating system. That's true, but security isn't the OpenBSD Project's main goal. This webcast will introduce systems administrators to OpenBSD, explain the project's mission, and discuss the features and benefits.

About Michael W. Lucas

Michael W. Lucas is a systems and network engineer who keeps getting stuck with problems nobody else wants to touch. He's the author of critically acclaimed books, including Absolute OpenBSD, SSH Mastery, Absolute FreeBSD, Sudo Mastery, PGP & GPG, and Cisco Routers for the Desperate.

Michael W. Lucas 2014-05-27T16:21:39-08:14

Webcast: The Rise of Wearables: Innovations and Impacts - May 16 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

Wearable devices already monitor and track our activities and anticipate and react in a variety of ways and situations. In some cases these devices are even context-aware.

In this webcast, we'll examine:

  • What's enabling this explosion in wearables?
  • How might business processes, entertainment, healthcare and other industries leverage these new devices?
  • How will insights and information gleaned from wearables impact our future interactions as data on biometrics, activities, preferences, and location become commonly collected and made available for analysis?
About Joe Burton

Joe Burton serves as Chief Technology Officer, responsible for setting and driving Plantronics' technology direction and leading the company's global engineering teams and programs.

Prior to joining Plantronics, Mr. Burton has held several key executive, engineering leadership and architecture-level positions at Polycom, Cisco, and Active Voice. During Burton's 10 year career with Cisco, he served as Cisco's Chief Technology Officer for Unified Communications, encompassing call management, IP phones, contact center, conferencing, unified messaging, unified communications applications, and advanced technologies and products.

Mr. Burton was most recently EVP, CTO, Chief Strategy Officer, and General Manager for Service Provider at Polycom where he led Polycom's long-term strategic agenda and next-generation focus areas.

He is the author of several communications patents and holds a Bachelor of Science degree in Computer Engineering from Reynolds College in New York.

You may also be interested in:

Joe Burton 2014-05-16T12:23:56-08:15

Webcast: Real-World Responsive Design: A Behind-The-Scenes Look at the Entertainment Weekly Redesign - May 15 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

Responsive web design techniques help designers and developers cope with an incredibly fragmented computing landscape. But tools are just one part of the story. RWD requires a new mindset, process, and workflow for everyone involved with the project, including client stakeholders (yikes!). Join Jonathan for a behind-the-scenes look at what did - and didn't - work on the responsive redesign of the Entertainment Weekly mobile site.

About Jonathan Stark

Jonathan Stark is a mobile strategy consultant who helps CEOs transition their business to mobile.

Jonathan is the author of three books on mobile and web development, most notably O'Reilly's Building iPhone Apps with HTML, CSS, and JavaScript which is available in seven languages.

His Jonathan's Card experiment made international headlines by combining mobile payments with social giving to create a "pay it forward" coffee movement at Starbucks locations all over the U.S.

Hear Jonathan speak, watch his talk show, listen to his podcast (co-hosted with the incomparable @kellishaver), join the mailing list, or connect online:

Webcast: Python Web Development with Flask - May 13 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

Flask is a small and easy-to-use, yet fully featured open source web framework written in Python. It is considered a micro-framework, but don't let the "micro" part fool you; Flask can do everything the others can do, many times in a simpler, leaner way. Flask's code is concise and well written; you can easily read and understand it. In this webcast, we'll provide an overview of Flask, full of examples that you can download and try. The topics to be discussed are:

  • Installation
  • Anatomy of a Flask application
  • Templates
  • Web forms
  • Database
  • Project structure for large applications
About Miguel Grinberg

Miguel Grinberg is a Senior Staff Software Engineer at Harmonic, Inc., where he leads a team of engineers that produces video software for the broadcast industry. He has a blog at blog.miguelgrinberg.com, where he writes about a variety of topics, including web development, Python, robotics, photography, and the occasional movie review. Miguel authored the epic 18-part Flask Mega-Tutorial series and is currently writing a book on this framework to be published by O'Reilly Media in 2014. He lives in Portland, Oregon with his wife, four kids, two dogs, and cat. Follow @miguelgrinberg on Twitter.

Miguel Grinberg 2014-05-13T11:56:14-08:17

Webcast: Beyond Installation: Managing Your OpenStack Cloud - May 6 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

While architecting and installing OpenStack clouds often draw the most attention from developers, technologists, or system administrators charged with building public and private cloud infrastructures, many people overlook the larger and far more important task of managing the cloud. As OpenStack has matured, tools and processes have improved immeasurably. This webcast will introduce advances in OpenStack cloud management, as well as reintroduce some old standbys.

You'll learn about:

  • Tools that OpenStack cloud operators are using to manage their cloud
  • Gathering important data from your cloud
  • The most important metrics to monitor in your cloud
  • The impact of the Icehouse release on your management strategy

Join us for practical advice derived from real world experience in operating both public and private OpenStack clouds.

About Ken Pepple

Ken Pepple is the co-founder and Chief Technology Officer of Solinea, which helps enterprises and service providers build cloud infrastructure. Prior to founding Solinea, Ken was Vice President for Cloud Technology Partner's OpenStack Practice. Before that, he led the creation of Internap's OpenStack based public cloud services while serving as their Director of Cloud Development. In the distant past, he also served as Chief Technologist for Sun Microsystem's Server Line of Business as well as other Director level roles at Sun and Oracle. Ken is also an OpenStack code and documentation contributor, blogger and frequent book author. His most recent book is Deploying OpenStack for O'Reilly Media. You can read his shorter form work on his blog (http://ken.pepple.info).

Ken Pepple 2014-05-06T16:56:41-08:18

Webcast: Understanding Human Motivation in the Age of Connected Machines - May 1 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

As more of the physical world is becoming connected, new and lucrative business models are forming around industrial applications that manage large-scale infrastructure in fields like energy production and transportation.

Designers helping to shape the connected world, need to be mindful of human motivation and raise questions about connectivity's impact on the individual, the community, and how we live.

In this webcast talk presented by Michael Delgaudio, we'll focus on why the human role is crucial in the Age of Connected Machines. Actionable methodologies for approaching large scale connected design problems are discussed.

About Michael DelGaudio

As Creative Director at frog, Michael leads teams to produce products and services customers love. Placing high value on design research and the user's point of view, Michael approaches business problems through the lens of the customer which enables him to craft physical and digital, experiences and interfaces. Michael focuses on the creative structure within his methodology and approach which enable the design teams he leads to create world-class products and services.

You may also be interested in:

Michael DelGaudio 2014-05-01T09:56:12-08:19

Webcast: Powering Up Your Web Performance to Delight Users - Apr 30 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

Making your website faster is key to improving the user experience. This webcast focuses on the basics that can delight—or disappoint—your users: including usability, performance, reliability, availability and accessibility. It will help you get up and running quickly, so you can identify problems and (equally important) opportunities for improvement. You'll learn the 7 basic principles of web performance and get started with some basic testing and tools.

About Daniel Austin

Daniel Austin is Principal Architect and a member of the technical staff at Paypal, where he focuses on large-scale payment systems. In a past life, he's worked for organizations such as CERN, NASA, W3C, Sun, and Yahoo! in pursuit of making the Internet faster and smarter. He lives in Northern California.

O'Reilly Media, Inc. 2014-04-30T14:51:39-08:20

Webcast: Behind the Scenes of LEO the Maker Prince: Journeys in 3D Printing - Apr 30 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

Carla Diana will share research, inspiration and design work from the book, LEO the Maker Prince: Journeys in 3D Printing. LEO's story includes a number of 3D printed objects forming the basis of the narrative and offering an opportunity for readers to download and print the objects. Carla will share the process and motivations behind the project, as well as what happens when you unleash new visions out into the world and allow people to download and remix them at will.

In this webcast you will see:

  • Stories and objects that explore the ways that 3D printing will affect everyday life in the near future
  • The design process for brainstorming and concepting new products
  • Tips and tricks for modeling 3D printable objects
About Carla Diana

Carla Diana is a product designer who realizes new visions for Smart Objects and the Internet of Things. She has worked at some of the world's top design firms, including Frog Design and Smart Design, and maintains strategic alliances with a number of academic research groups. She is a member of the Georgia Tech Socially Intelligent Machines Lab, and a faculty member at the School of Visual Arts and the University of Pennsylvania's Integrated Product Design Program. She advises the group Tomorrow-Lab, a young design firm that creates electro-mechanical solutions for smart devices, and continues her work as a Fellow at Smart Design, where she oversees the Smart Interaction Lab.

You may also be interested in:

Carla Diana 2014-04-30T11:21:57-08:21

Webcast: Before the Math: Detecting Security Issues Using Exploratory Data Analysis - Apr 24 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

Exploratory Data Analysis (EDA is the process of looking through data to get a basic idea of its structure and attributes, often with visualizations. It is a valuable tool for security analysts looking for any network traffic anomalies—particularly in dealing with changing attackers and shifting networks—that sometimes reveals patterns beyond those detectible through statistical analysis. In this webcast, we'll discuss how to apply the art of exploratory data analysis to security questions.

About Michael Collins

Michael Collins is the chief scientist for RedJack, LLC., a Network Security and Data Analysis company located in the Washington D.C. area. Prior to his work at RedJack, Dr. Collins was a member of the technical staff at the CERT/Network Situational Awareness group at Carnegie Mellon University. His primary focus is on network instrumentation and traffic analysis, in particular on the analysis of large traffic datasets. Dr. Collins graduated with a PhD in Electrical Engineering from Carnegie Mellon University in 2008, he holds Master's and Bachelor's Degrees from the same institution.

Michael Collins 2014-04-24T17:52:55-08:22

Webcast: Building Web Applications in Clojure - Apr 24 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

The most difficult part of mastering any language is knowing how to apply it, in an idiomatic way, to tasks that real software developers encounter every day. This is especially true of Clojure.

Join us for a look at the basics of developing web applications in Clojure. Topics covered in this webcast include:

  • Setting up a webserver with Pedestal
  • Routing requests to controller handlers
  • Rendering templates and views
  • Persisting information to a database (Datomic)
  • General editing and project organization tips
About Ryan Neufeld

Ryan Neufeld is a polyglot software developer and budding architect specializing in distributed systems and web applications. Whether it's tough technical issues or one of the softer elements of software engineering, Ryan relishes the opportunity to deliver results for customers. Ryan currently lives in Durham, NC where he works as a developer at Cognitect, Inc. He co-authored Clojure Cookbook: Recipes for Functional Programming for O'Reilly.

Ryan Neufeld 2014-04-24T11:56:14-08:23

Webcast: Simplifying Java 8 with Lambdas - Apr 23 2014

O'Reilly Media - Tue, 10/21/2014 - 13:10

There's a revolution calling! Lambda expressions are coming in Java 8 but how can developers benefit? We'll go through a series of code examples, that show how to:

  • Use the new lambda expressions feature
  • Write more readable and faster collections processing code using the Streams API
  • Build complex data processing systems with the new collector abstraction
  • Use lambda expressions in your own code
About Richard Warburton

Richard Warburton is an empirical technologist and solver of deep-dive technical problems. Recently he has worked on data analytics for high performance computing and authored Java 8 Lambdas for O'Reilly. He is a leader in the London Java Community and organized the Adopt-a-JSR programs for Lambdas and Date and Time in Java 8. Richard also frequently speaks at conferences, and has presented at JavaOne, DevoxxUK, Geecon, Jfokus and JAX London. He obtained a PhD in Computer Science from The University of Warwick, where his research focused on compiler theory. You can follow Richard on Twitter @RichardWarburto.

Richard Warburton 2014-04-23T10:21:45-08:24

Preparing the MCA Website for David Bowie Is

LoadImpact - Tue, 10/21/2014 - 10:54

  Article by: Anna Chiaretta Lavatelli, the Associate Director of Digital Media at the Museum of Contemporary Art Chicago (MCA) Passing out David Bowie Is hand fans from the float of the classic rock radio station WXRT at the June 2014 Chicago Pride Parade, I began to realize the scale of adoration for Bowie. As ... Read more

The post Preparing the MCA Website for David Bowie Is appeared first on Load Impact Blog.

Categories: Load & Perf Testing

Find the Root Cause Faster with Dynatrace 6.1!

I am pleased to announce that Dynatrace 6.1 Beta is now available for everyone that is interested in building better performing applications. Dynatrace 6.1 includes many enhancements requested by our 83k+ user community. We took the feedback we received from our users and invested heavily in Ease of Use and more Automatic Diagnostics. Follow these […]

The post Find the Root Cause Faster with Dynatrace 6.1! appeared first on Compuware APM Blog.

Categories: Load & Perf Testing

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