The handbook reflected a period of rapid evolution in web development:

According to the Frontend Masters Handbook 2017 guide , developers in 2017 were expected to be proficient in:

: Defines the role of a front-end developer and the core technologies used (HTML, CSS, DOM, and JavaScript).

The guide is organized into three primary sections to cover the breadth of the field:

: The industry began consolidating terms like "Single Page Applications" (SPAs) and "Static apps" into the JAMStack concept .