Skip navigation
Web Almanac
By
HTTP Archive
Contributors
Methodology
Search
Search
Search
Search
Table of Contents
Table of Contents
Home
Table of Contents
Foreword
Part I. Page Content
Chapter 1: CSS
Chapter 2: JavaScript
Chapter 3: Markup
Chapter 4: Structured Data
Chapter 5: Media
Chapter 6: WebAssembly
Chapter 7: Third Parties
Part II. User Experience
Chapter 8: SEO
Chapter 9: Accessibility
Chapter 10: Performance
Chapter 11: Privacy
Chapter 12: Security
Chapter 13: Mobile Web
Chapter 14: Capabilities
Chapter 15: PWA
Part III. Content Publishing
Chapter 16: CMS
Chapter 17: Ecommerce
Chapter 18: Jamstack
Part IV. Content Distribution
Chapter 19: Page Weight
Chapter 20: Resource Hints
Chapter 21: CDN
Chapter 22: Compression
Chapter 23: Caching
Chapter 24: HTTP
Appendices
Methodology
Contributors
Search
Ebook
Ebook PDF (32MB)
2021
2021 Home
2020 Home
2019 Home
English
Español
Français
Italiano
Nederlands
Português
Türkçe
Русский
Українська
हिन्दी
日本語
简体中文
繁體中文
Help translate
Contributors
Methodology
Search
Search
Table of Contents
Table of Contents Switcher
Home
Table of Contents
Foreword
Chapter 1: CSS
Chapter 2: JavaScript
Chapter 3: Markup
Chapter 4: Structured Data
Chapter 5: Media
Chapter 6: WebAssembly
Chapter 7: Third Parties
Chapter 8: SEO
Chapter 9: Accessibility
Chapter 10: Performance
Chapter 11: Privacy
Chapter 12: Security
Chapter 13: Mobile Web
Chapter 14: Capabilities
Chapter 15: PWA
Chapter 16: CMS
Chapter 17: Ecommerce
Chapter 18: Jamstack
Chapter 19: Page Weight
Chapter 20: Resource Hints
Chapter 21: CDN
Chapter 22: Compression
Chapter 23: Caching
Chapter 24: HTTP
Methodology
Contributors
Search
Ebook PDF (32MB)
Year Switcher
2021 Home
2020 Home
2019 Home
Language Switcher
English
Español
Français
Italiano
Nederlands
Português
Türkçe
Русский
Українська
हिन्दी
日本語
简体中文
繁體中文
────
Help translate
HTTP Archive home
Twitter
GitHub
Search
Search
Search