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What is web performance? (2018)

Barker, Tom [VerfasserIn] 1977-

Sebastopol, CA : O'Reilly Media

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Sprache: Englisch

Seiten: 1 online resource (1 volume)

Ausgabe: First edition.

Schlagwort(e): Web site development ; Web sites ; Design ; Information technology ; Management ; Electronic books ; Electronic books ; local

Kurzfassung: How fast is your site? Web performance is crucial as your company moves toward digital transformation-not just the actual time it takes your online experience to load, but also the perception of load time for your users and customers. In this article, Comcast's Tom Barker explains how poor or inefficient web performance can affect your entire transformation process, and why you need to move this task to the top of your list.

Anmerkung: Description based on online resource; title from title page (Safari, viewed May 10, 2018)

URL: https://learning.oreilly.com/library/view/-/9781492039952/?ar

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Understanding web performance (2018)

Barker, Tom [VerfasserIn] 1977-

Sebastopol, CA : O'Reilly Media

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Details

Sprache: Englisch

Seiten: 1 online resource (1 volume) , illustrations

Ausgabe: First edition.

Schlagwort(e): Web site development ; Information technology ; Management ; Web sites ; Design ; Electronic books ; Electronic books ; local

Kurzfassung: Among the many key performance indicators discussed in high-level executive meetings, one is rarely included: web performance. Yet, this particular metric is critical for tracking positive customer experience as well as the success of your digital transformation process. In this report, Tom Barker-Senior Director of Software Engineering and Development at Comcast-discusses concrete steps you can take as a business leader to elevate the status of web performance in your organization. Customers are ruthless when it comes to assessing sites. Even if you think your application is functioning just fine, the mere perception of poor performance will cause customers to go elsewhere. This report outlines the importance of web performance and explains how your involvement as an executive can help spark company-wide involvement in this valuable process. You'll explore how to: Set annual goals for creating and maintaining performance service-level agreements (SLAs) Identify champions in the company who can serve as grass roots organizers driving web performance Implement tactical changes to help your organization achieve web performance goals Evaluate the current performance of your application and identify areas that need improvement Invest in an application performance management (APM) platform to administer the maintenance of your SLA

Anmerkung: Description based on online resource; title from title page (Safari, viewed January 11, 2018)

URL: https://learning.oreilly.com/library/view/-/9781492029809/?ar

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Web performance and the customer experience (2018)

Barker, Tom [VerfasserIn] 1977-

Sebastopol, CA : O'Reilly Media

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Details

Sprache: Englisch

Seiten: 1 online resource (1 volume) , illustrations

Ausgabe: First edition.

Schlagwort(e): Web sites ; Design ; Web site development ; Customer relations ; Management ; Information technology ; Management ; Electronic books ; Electronic books ; local

Kurzfassung: IT executives in companies undergoing digital transformation have many stakeholders. Business units stress online sales, conversions, and self-service, while product owners push for new online features and products. Each group has its own key performance indicators (KPIs) for tracking progress. Yet, one leading indicator essential to the success of all of these other metrics-web performance-is often neglected. Yet it's the one area IT professionals directly control. In this article, professor and Comcast engineer Tom Barker explains how poor application performance can hinder your company's digital transformation. Customers quick to abandon slow-loading applications can be left with the impression that your site's problems are indicative of other offerings. You'll learn tips for addressing web performance on a large scale, including the recruitment of internal and external champions to help you set up processes and best practices for improving and maintaining your application's day-to-day performance.

Anmerkung: Description based on online resource; title from title page (Safari, viewed January 11, 2018)

URL: https://learning.oreilly.com/library/view/-/9781492030829/?ar

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Full stack web performance (2017)

Barker, Tom [VerfasserIn] 1977-

Sebastopol, CA : O'Reilly Media

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Details

Sprache: Englisch

Seiten: 1 online resource (1 volume) , illustrations

Ausgabe: First edition.

Schlagwort(e): Information technology ; Management ; Cloud computing ; Web applications ; Virtual computer systems ; Electronic books ; Electronic books ; local

Kurzfassung: DevOps has been around for nearly a decade, yet many production teams have only just begun to migrate their products from physical data centers to cloud platforms. If your company is contemplating a move to DevOps, there are many factors to consider besides the ease and speed of deployment. Your ideas of web performance and capacity planning will also change, along with your role in the production process. This report explains how web performance fits into the modern landscape of a cross-functional DevOps team. Author Tom Barker, Senior Director of Software Engineering and Development at Comcast, shows you how to achieve quick performance wins by taking a holistic, full stack view of your web application. Web developers, DevOps engineers, engineering managers, and architects will learn how to approach issues that affect the client-side, infrastructure, and operations capabilities of your application. Client-side: use tools to test your application speed and capture real user metrics around client-side performance Infrastructure: leverage a content delivery network (CDN) to shorten the route between application servers and your users Operations: monitor your application and debug performance issues in production with an Application Performance Management (APM) tool Next steps: Get free trials of CDNs and APMs before committing to any provider

Anmerkung: Includes bibliographical references. - Description based on online resource; title from title page (Safari, viewed November 29, 2017)

URL: https://learning.oreilly.com/library/view/-/9781491991640/?ar

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Intelligent caching : leveraging cache to scale at the frontend (2016)

Barker, Tom [VerfasserIn] 1977-

Sebastopol, CA : O'Reilly Media

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Details

Sprache: Englisch

Seiten: 1 online resource (1 volume) , illustrations

Ausgabe: First edition.

Schlagwort(e): Cache memory ; Memory management (Computer science) ; Web applications ; Information technology ; Management ; Electronic books ; Electronic books ; local

Kurzfassung: Up to this point, few software engineers and technical leaders have been prepared to meet the challenges of running web applications on a national or global scale. Sites that serve tens of millions of users and receive hundreds of millions of requests per day will quickly overwhelm your system if you're not ready for it. In this report, author Tom Barker provides a proven strategy for dealing with this user onslaught: intelligent frontend caching. Many engineers learn the virtues of backend scaling, resiliency, and VM tuning for addressing problems of this magnitude. For Barker-who runs a site with roughly 500 million page views per month-training was strictly on-the-job. This report outlines a strategy for using frontend cache tiers, in concert with a Content Delivery Network (CDN), to avoid backend problems while gaining higher site availability. Use frontend cache tiers and reduce your backend infrastructure Reduce latency by leveraging a CDN to provide edge caching Cache static content that is infrequently updated Explore a strategy for caching and updating personalized content Learn how cached content experiences hot, warm, and cold cycles Get solutions to common problems when caching frontend content Tom Barker is a software engineer, engineering manager, professor, and author. Currently, he is Director of Software Engineering and Development at Comcast, and an Adjunct Professor at Philadelphia University.

Anmerkung: Description based on online resource; title from title page (Safari, viewed December 12, 2018)

URL: https://learning.oreilly.com/library/view/-/9781492049067/?ar

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High performance responsive design : building faster sites across devices (2014)

Barker, Tom [VerfasserIn] 1977-

Sebastopol, CA : O'Reilly Media

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Details

Sprache: Englisch

Seiten: 1 online resource (1 v.) , ill.

Ausgabe: 1st ed.

Schlagwort(e): Web sites ; Design ; Web site development ; Mobile computing ; Electronic books ; Electronic books ; local

Kurzfassung: Yes, you can use responsive web design to create high performance, compelling websites. With this practical book, author Tom Barker demonstrates that responsive design is not just a frontend-only approach, but also a philosophy for taking advantage of the entire web stack. Responsive design patterns and anti-patterns, derived from heavily used real-world sites, are guiding principles throughout the book. Ideal for frontend-focused web developers, this book shows you how to incorporate responsiveness and performance into your project plan, use Node.js for device-specific functionality on the backend, and write automated tests for a continuous integration environment. You'll explore many useful tools and responsive frameworks, and gain useful insights from Barker's own experience with responsive design along the way. Get a primer on web performance concepts, web runtime performance, and performance tracking tools Write functionality with Node.js that serves up a device-specific experience to the client Explore client-side solutions, such as lazy loading entire sections of a page-including images, styling, and content Validate service level agreements (SLAs) by writing automated tests with PhantomJS Examine several responsive frameworks, including the author's server-side framework, Ripple

Anmerkung: Includes index. - Description based on online resource; title from title page (Safari, viewed Nov. 14, 2014)

URL: https://learning.oreilly.com/library/view/-/9781491949979/?ar

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Pro data visualization using R and Javascript (2013)

Barker, Tom [VerfasserIn] 1977-

[Erscheinungsort nicht ermittelbar] : Apress

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Details

Sprache: Englisch

Seiten: 1 online resource (1 v.) , ill.

Schlagwort(e): Information visualization ; R (Computer program language) ; JavaScript (Computer program language) ; Electronic books ; Electronic books ; local

Kurzfassung: Pro Data Visualization using R and JavaScript makes the R language approachable, and promotes the idea of data gathering and analysis. You'll see how to use R to interrogate and analyze your data, and then use the D3 JavaScript library to format and display that data in an elegant, informative, and interactive way. You will learn how to gather data effectively, and also how to understand the philosophy and implementation of each type of chart, so as to be able to represent the results visually. With the popularity of the R language, the art and practice of creating data visualizations is no longer the preserve of mathematicians, statisticians, or cartographers. As technology leaders, we can gather metrics around what we do and use data visualizations to communicate that information. Pro Data Visualization using R and JavaScript combines the power of the R language with the simplicity and familiarity of JavaScript to display clear and informative data visualizations. Gathering and analyzing empirical data is the key to truly understanding anything. We can track operational metrics to quantify the health of our products in production. We can track quality metrics of our projects, and even use our data to identify bad code. Visualizing this data allows anyone to read our analysis and easily get a deep understanding of the story the data tells. What you'll learn A rich understanding of how to gather, and analyze empirical data How to tell a story with data using data visualizations What types of data visualizations are best to use for the story that you want to tell with your data A comprehensive introduction to the R language, covering all the essentials Exploration of how to construct interactive data visualizations using JavaScript and JavaScript libraries Who this book is for Developers at all levels interested in data visualization, beginning to intermediate engineering managers, statisticians, mathematicians, economists and any others interested in data visualization.

Anmerkung: Includes index. - Description based on online resource; title from title page (viewed September 5, 2013)

URL: https://learning.oreilly.com/library/view/-/9781430258063/?ar

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