Introducing the second annual Web Almanac!

The 2020 Web Almanac is a free, open-source, community-made ebook whose mission is to annually track the state of the web. This report is for everyone who's ever wondered how big a typical web page is nowadays, or what the most common CSS breakpoints are, or the most popular CMS. Those questions and many more are answered in this comprehensive, data-driven research project sourced from over 7 million websites.

Experts in over 20 web disciplines researched and wrote chapters covering the components web pages are made of, how users experience them, how developers publish them, and how they're delivered. The 2020 report is out and I'm excited to share it with you all! (Read the 2019 announcement on dev.to.)

This year over 100 contributors have collaborated on the report: analyzing data, authoring chapters, peer-reviewing, editing, translating, and maintaining the website. This project was only made possible through the hard work by all of the contributors collectively. The result is a free 500+ page ebook that you can read on our website, as a PDF (22 MB), or on Google Play or Google Books. Translations are in progress in nine languages, and the 2019 edition is completely translated into Japanese with its own ebook!

This is a community effort and we're a friendly, inclusive group, so if you'd like to be a part of the 2019-2020 translation effort or help write the 2021 edition, we'd love for you to join us! Please fill out this interest form to let us know how you'd like to contribute, and we'll reach out to you when it's time to start planning in mid-2021.

Give it a read and let us know what you find most interesting or surprising! Here's what's inside:

Part I. Page Content

• Chapter 1: CSS
• Chapter 2: JavaScript
• Chapter 3: Markup
• Chapter 4: Fonts
• Chapter 6: Third Parties

Part II. User Experience

• Chapter 7: SEO
• Chapter 8: Accessibility
• Chapter 9: Performance
• Chapter 10: Privacy
• Chapter 11: Security
• Chapter 12: Mobile Web
• Chapter 13: Capabilities
• Chapter 14: PWA

Part III. Content Publishing

• Chapter 15: CMS
• Chapter 17: Jamstack

Part IV. Content Distribution

• Chapter 18: Page Weight
• Chapter 19: Compression
• Chapter 20: Caching
• Chapter 21: Resource Hints
• Chapter 22: HTTP/2

Appendices

• Methodology
• Contributors

(Chapters 5 and 16, Media and Ecommerce, are coming soon!)