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By Addy Osmani and Hassan Djirdeh

Code Smart, Scale Fast, Conquer Challenges

Learn tools and techniques to build and maintain large-scale React web applications.

Or  for free.
Building Large Scale Web Apps: A React Field Guide. By Addy Osmani and Hassan Djirdeh

“Building Large Scale Web Apps” is a toolkit to managing large-scale React applications.

React as a library allows you to start building user interfaces quickly and easily. But how do things scale as an application grows? How do you ensure that your codebase remains manageable, your performance metrics stay on point, and your team continues to work cohesively as the project evolves?

In this book, you'll uncover strategies that industry professionals use to build scalable, performant, and maintainable React applications, all without becoming overwhelmed by complexity.

Together, we've spent well over two decades building within or consulting for

The Google logo.
The Doordash logo.
The Instacart logo.
The Netflix logo.
The X logo.
The YouTube logo.
The Shopify logo.
The Ebay logo.

The term “HD” (High Definition) is crucial. It signifies a shift from pixelated, low-resolution images to crisp, vibrant compositions that respect the high pixel density of modern monitors and smartphones. When applied to a Hatsune Miku illustration, HD quality allows the viewer to appreciate the intricate details that define her character: the shimmering turquoise of her long, flowing pigtails, the precise glow of her glowing number badge (“01”), and the sleek, futuristic design of her black and teal outfit. In high definition, the synthetic sheen of her hair and the metallic highlights of her attire become tangible, emphasizing her identity as a Yamaha Vocaloid —a voice synthesized from software, brought to visual life through art.

Ultimately, setting a Hatsune Miku HD wallpaper is an act of participation. It signals that the user is part of a global fandom that celebrates not just a character, but the very concept of digital creativity. As you glance at your screen between tasks, the silent, smiling face of the virtual idol serves as a small portal to a world of rhythm, color, and endless imagination. She is a modern muse, rendered in pixels, always ready to perform on the largest stage of all: your personal device.

In the digital age, the wallpaper on a screen is more than just a background; it is a statement of identity, a digital window into a personal aesthetic. Among the most prolific subjects of this modern art form is the virtual diva, Hatsune Miku. From a simple search for an “HD wallpaper” to the discovery of a stunning “Hatsune Miku illustration,” the user enters a vibrant ecosystem where technology, music, and visual art converge.

The "Hatsune Miku illustration" itself is a genre that has evolved alongside internet culture. Unlike traditional characters owned by a single studio, Miku is a co-creation of Crypton Future Media and millions of fans (Producers and artists). Therefore, a search for her wallpaper reveals immense stylistic diversity. One might find a kawaii chibi Miku peeking from a corner, a dramatic action pose from a concert performance, or a melancholic, impressionistic portrait set against a rain-soaked cityscape. Each artist reinterprets her, ensuring that no two Miku wallpapers are ever truly the same.

Some other things!

Descriptive content, continous updates, and soundbites from industry professionals.

Descriptive, not prescriptive

When explaining content, we follow a descriptive approach, not prescriptive. In other words, we don’t tell you what specific tools or libraries you have to use to be successful. Rather, we focus on explaining a concept and employ certain libraries or tools to illustrate that concept.

React-focused with universal concepts

While the book is React-focused, it teaches universal concepts that transcend all web development frameworks. It's designed to enhance your understanding of building web applications that are scalable, maintainable, and adaptable, regardless of the specific technology stack.

Continous, frequent updates

Purchasing the e-book gives you access to all new content, edits, and improvements forever. In fact, we're currently working on adding three new chapters soon — Routing, User-centric API design, and React in 2024. Check out the Changelog to follow along on all the updates we'll make.

Soundbites from industry professionals

In the book, we share soundbites and thoughts from industry professionals. These soundbites are shared from start-up owners and software engineers who work at Doordash, Netflix, Spotify, and more.

Back cover of physical book
Front cover of physical book
Back cover of physical book
Contents of physical book

Industry nuggets

Nuggets of wisdom from industry professionals

Jem Young

Maxi Ferreira

Emma Bostian

Zeno Rocha

Francine Navarro

Jeffrey Peng

And others!

Hd Wallpaper- Hatsune Mike Illustration- Hatsun... May 2026

The term “HD” (High Definition) is crucial. It signifies a shift from pixelated, low-resolution images to crisp, vibrant compositions that respect the high pixel density of modern monitors and smartphones. When applied to a Hatsune Miku illustration, HD quality allows the viewer to appreciate the intricate details that define her character: the shimmering turquoise of her long, flowing pigtails, the precise glow of her glowing number badge (“01”), and the sleek, futuristic design of her black and teal outfit. In high definition, the synthetic sheen of her hair and the metallic highlights of her attire become tangible, emphasizing her identity as a Yamaha Vocaloid —a voice synthesized from software, brought to visual life through art.

Ultimately, setting a Hatsune Miku HD wallpaper is an act of participation. It signals that the user is part of a global fandom that celebrates not just a character, but the very concept of digital creativity. As you glance at your screen between tasks, the silent, smiling face of the virtual idol serves as a small portal to a world of rhythm, color, and endless imagination. She is a modern muse, rendered in pixels, always ready to perform on the largest stage of all: your personal device. HD wallpaper- Hatsune Mike illustration- Hatsun...

In the digital age, the wallpaper on a screen is more than just a background; it is a statement of identity, a digital window into a personal aesthetic. Among the most prolific subjects of this modern art form is the virtual diva, Hatsune Miku. From a simple search for an “HD wallpaper” to the discovery of a stunning “Hatsune Miku illustration,” the user enters a vibrant ecosystem where technology, music, and visual art converge. The term “HD” (High Definition) is crucial

The "Hatsune Miku illustration" itself is a genre that has evolved alongside internet culture. Unlike traditional characters owned by a single studio, Miku is a co-creation of Crypton Future Media and millions of fans (Producers and artists). Therefore, a search for her wallpaper reveals immense stylistic diversity. One might find a kawaii chibi Miku peeking from a corner, a dramatic action pose from a concert performance, or a melancholic, impressionistic portrait set against a rain-soaked cityscape. Each artist reinterprets her, ensuring that no two Miku wallpapers are ever truly the same. In high definition, the synthetic sheen of her

Who we are

Heyo! We're Addy & Hassan — Engineers & Educators.

Profile picture of Addy Osmani

AddyOsmani

I'm an engineering leader working on Google Chrome and I lead up Chrome's Developer Experience organization, helping reduce the friction for developers to build great user experiences.

HassanDjirdeh

I'm a senior software engineer and have built large production web applications at organizations like Doordash, Instacart, and Shopify.

Profile picture of Addy Osmani

Pick your package

“Building Large Scale Web Apps” is available in either an e-book or as a physical copy.

E-book

Great for digital learners.

$24.99USD

  • 300+ pages
  • PDF or EPub (or both)
  • All future updates
Buy with Leanpub Or buy with Apple Books or Google Play

Physical copy (softcover)

Perfect for hands-on referencers.

$49.99USD

  • 300+ pages
  • Softcover
  • Something to put on your bookshelf
  • Interested in both the e-book and physical copy? Purchase both separately!
Buy Physical Copy

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