Blanca is a full-stack software developer, currently focused on JavaScript and modern frontend technologies such as React. Blanca can be reached at her blog https://groundberry.github.io/ or @blanca_mendi on Twitter.
Have you been considering your app's security this month? This Halloween, here's some security advice to help keep you safe from hackers and avoid any spooky surprises.
Profiling your React components may be the most important thing you can do to improve performance. Learn how to do this using the browser's User Timing API.