Piccalilli is a publication that offers high-quality educational content to help you improve your front-end skills. They’re accepting guest authors. The topics and subject areas they’re looking for are as follows:

“- Using the most modern CSS capabilities with a progressive enhancement mindset

- UX and UI design

- Content that helps people move from design/development into management positions

- JavaScript (progressive enhancement is a bonus)

- Design systems (both from designer and developer perspectives)”

Rate is £200. To learn more, refer to their post and this page.