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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.

: Official views signal to Avatar Studios that the demand for this universe remains massive, directly funding upcoming animated movies and spin-offs. Key Takeaways for Your Rewatch

: Keep an eye on services like Google Play Movies & TV or The Roku Channel , which also offer the series for rent or purchase.

: Within the first three minutes, the iconic opening narration expertly lays out the geopolitical conflict between the Four Nations and the tragic absence of the Avatar.

: Provides a 30-minute comprehensive analysis of the "Five Elements of Greatness" in ATLA. Just Write

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

Looking for the best way to experience the start of Aang's journey? Whether you are a longtime fan of the original 2005 Nickelodeon series or a newcomer exploring Netflix's 2024 live-action adaptation, the series premiere——sets the stage for an epic adventure. Where to Watch Avatar: The Last Airbender

Support the official release. The creators spent years on ATLA. Don't steal it. Stream it on Paramount+ or buy the disc. That is the "best" way.

What are you using to watch the show (TV, phone, laptop)?

Unlicensed streaming links are frequently taken down due to copyright violations. Relying on these sources means dealing with broken links, missing episodes, and sudden stream interruptions. Best Ways to Watch Avatar Season 1 Episode 1

"The Boy in the Iceberg" (Season 1, Episode 1) is regarded as a standout, foundational episode of Avatar: The Last Airbender , praised for its effective character introductions, world-building, and high production value. The 2024 adaptation, in particular, received acclaim for its portrayal of the Air Nomad genocide. For an in-depth analysis of the premiere, read the review at Den of Geek . My HONEST Review of Episode 1 "Aang"

When searching for the absolute best way to watch Avatar: The Last Airbender Season 1, Episode 1 ("The Boy in the Iceberg"), finding a safe, high-quality, and legal platform is essential for the ultimate viewing experience. While cryptic search terms like "vegamoviestoavatarthelastairbenders01e0" frequently pop up online, they typically point toward unauthorized, risky piracy networks.

: Episodes and full seasons are available for purchase on retailers like Amazon Prime Video and Apple TV. Episode 1 Review Highlights (Live-Action)

The progress bar inched forward. 10%. 20%. The file wasn't just a video file; it was tagged as an 'Interactive Sim'.

: Focuses on the visual storytelling and how the animation itself conveys character growth. Essential Episodes for "Deep" Viewing

Within 22 minutes, the creators (Michael Dante DiMartino and Bryan Konietzko) introduce a complex world divided by four elements (Water, Earth, Fire, Air) and a century-long war. Unlike many shows that rely on heavy exposition, ATLA introduces this through visual storytelling and the curious perspectives of Sokka and Katara Source. 2. Immediate Emotional Connection

: The live-action remake series, released in 2024, is a Netflix original. However, the rights for the original animated series are potentially moving away from Netflix and becoming exclusive to Paramount+.

Kael hit enter. The screen flickered, a burst of static dancing across the pixels.

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!

Vegamoviestoavatarthelastairbenders01e0 Best ^hot^ Jun 2026

: Official views signal to Avatar Studios that the demand for this universe remains massive, directly funding upcoming animated movies and spin-offs. Key Takeaways for Your Rewatch

: Keep an eye on services like Google Play Movies & TV or The Roku Channel , which also offer the series for rent or purchase.

: Within the first three minutes, the iconic opening narration expertly lays out the geopolitical conflict between the Four Nations and the tragic absence of the Avatar.

: Provides a 30-minute comprehensive analysis of the "Five Elements of Greatness" in ATLA. Just Write

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. vegamoviestoavatarthelastairbenders01e0 best

Looking for the best way to experience the start of Aang's journey? Whether you are a longtime fan of the original 2005 Nickelodeon series or a newcomer exploring Netflix's 2024 live-action adaptation, the series premiere——sets the stage for an epic adventure. Where to Watch Avatar: The Last Airbender

Support the official release. The creators spent years on ATLA. Don't steal it. Stream it on Paramount+ or buy the disc. That is the "best" way.

What are you using to watch the show (TV, phone, laptop)?

Unlicensed streaming links are frequently taken down due to copyright violations. Relying on these sources means dealing with broken links, missing episodes, and sudden stream interruptions. Best Ways to Watch Avatar Season 1 Episode 1 : Official views signal to Avatar Studios that

"The Boy in the Iceberg" (Season 1, Episode 1) is regarded as a standout, foundational episode of Avatar: The Last Airbender , praised for its effective character introductions, world-building, and high production value. The 2024 adaptation, in particular, received acclaim for its portrayal of the Air Nomad genocide. For an in-depth analysis of the premiere, read the review at Den of Geek . My HONEST Review of Episode 1 "Aang"

When searching for the absolute best way to watch Avatar: The Last Airbender Season 1, Episode 1 ("The Boy in the Iceberg"), finding a safe, high-quality, and legal platform is essential for the ultimate viewing experience. While cryptic search terms like "vegamoviestoavatarthelastairbenders01e0" frequently pop up online, they typically point toward unauthorized, risky piracy networks.

: Episodes and full seasons are available for purchase on retailers like Amazon Prime Video and Apple TV. Episode 1 Review Highlights (Live-Action)

The progress bar inched forward. 10%. 20%. The file wasn't just a video file; it was tagged as an 'Interactive Sim'. : Provides a 30-minute comprehensive analysis of the

: Focuses on the visual storytelling and how the animation itself conveys character growth. Essential Episodes for "Deep" Viewing

Within 22 minutes, the creators (Michael Dante DiMartino and Bryan Konietzko) introduce a complex world divided by four elements (Water, Earth, Fire, Air) and a century-long war. Unlike many shows that rely on heavy exposition, ATLA introduces this through visual storytelling and the curious perspectives of Sokka and Katara Source. 2. Immediate Emotional Connection

: The live-action remake series, released in 2024, is a Netflix original. However, the rights for the original animated series are potentially moving away from Netflix and becoming exclusive to Paramount+.

Kael hit enter. The screen flickered, a burst of static dancing across the pixels.

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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