About the Author

Jens Oliver Meiert is a frontend engineering leader (e.g., Google, Miro) and tech author/publisher (O’Reilly, Frontend Dogma). He’s an expert in web development, specializing in HTML and CSS optimization and maintainability. Jens contributes to technical standards and regularly writes about his work and research, particularly on his website, meiert.com.

Other titles by Jens Oliver Meiert:

On Web Development II (2025)

A comprehensive ebook marking another 10 years of meiert.com, featuring 180 curated articles on web development from 2015 to 2025.

Upgrade Your HTML (2019–2024)

The Upgrade Your HTML series is about one thing: Picking examples of HTML in the wild, and explaining how to make that code better. Kindly. Constructively. Thoroughly, as finding a balance between detail and brevity permits.

The Web Development Glossary 3K (2023)

What is a BHO? CQRS? An EMD? What is Goanna? Hooking? Sharding? How about dynamic color, the phoenix server pattern, or the rules of ARIA? Covering more than 3,000 terms and concepts, and including explanations from Wikipedia and MDN Web Docs, The Web Development Glossary 3K provides an overview of web development unlike any other book or site.

Available at Apple Books, Kobo, Google Play Books, and Leanpub. (Try the glossary online at WebGlossary.info.)

The Little Book of Little Books (2021)

The Little Book of Little Books consists of lovingly polished editions of The Little Book of HTML/CSS Frameworks (originally published in 2015), The Little Book of HTML/CSS Coding Guidelines (2015), and The Little Book of Website Quality Control (2016).

CSS Optimization Basics (2018)

Are you unsure about your style sheets’ quality, or whether you’ve maxed out your options? CSS Optimization Basics covers the necessary mindsets, discusses the main optimization methods, and presents useful resources to write higher-quality CSS.