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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.

Based on the subject line provided, this appears to be a specific video file request for "The Day of the Jackal", specifically the first episode (S01E01) of the recent television adaptation, likely in 1080p (720) resolution.

, the show modernizes the story of a highly skilled, anonymous assassin hired to perform a high-stakes hit.

This 10-episode thriller is a contemporary reimagining of Frederick Forsyth's classic novel and the 1973 film. It stars Oscar-winner Eddie Redmayne as the titular assassin and Lashana Lynch as Bianca Pullman, the tenacious intelligence officer hunting him. YouTube·Rotten Tomatoes TVhttps://www.youtube.com

) is the only one who realizes the sheer technical skill required for such a shot

The series opens with the Jackal executing a meticulously planned assassination in Munich, Germany. Posing as an elderly janitor named Ralf, the Jackal infiltrates a high-security building to target Manfred Fest , a populist politician running for German Chancellor.

For those looking for official movie information, trailers, and cast details without streaming, the Movies4u App on Google Play serves as a verified movie tracking and guide tool. AI responses may include mistakes. Learn more Movies4u - Apps on Google Play

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!

Movies4ubidthedayofthejackals01e01072 __top__ May 2026

Based on the subject line provided, this appears to be a specific video file request for "The Day of the Jackal", specifically the first episode (S01E01) of the recent television adaptation, likely in 1080p (720) resolution.

, the show modernizes the story of a highly skilled, anonymous assassin hired to perform a high-stakes hit. movies4ubidthedayofthejackals01e01072

This 10-episode thriller is a contemporary reimagining of Frederick Forsyth's classic novel and the 1973 film. It stars Oscar-winner Eddie Redmayne as the titular assassin and Lashana Lynch as Bianca Pullman, the tenacious intelligence officer hunting him. YouTube·Rotten Tomatoes TVhttps://www.youtube.com Based on the subject line provided, this appears

) is the only one who realizes the sheer technical skill required for such a shot Based on Frederick Forsyth’s novel and the 1973 film

  • Based on Frederick Forsyth’s novel and the 1973 film.
  • A modern reimagining — follows a professional assassin known as "The Jackal."
  • First episode sets up the cat-and-mouse game between the Jackal and British intelligence.

The series opens with the Jackal executing a meticulously planned assassination in Munich, Germany. Posing as an elderly janitor named Ralf, the Jackal infiltrates a high-security building to target Manfred Fest , a populist politician running for German Chancellor.

For those looking for official movie information, trailers, and cast details without streaming, the Movies4u App on Google Play serves as a verified movie tracking and guide tool. AI responses may include mistakes. Learn more Movies4u - Apps on Google Play

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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