Skip to content



Block or Report

Block or report marcradziwill

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse

Hi everybody, my name is Marc (he/him). I am a web performance consultant, a web developer, a frontend architect, and a trainer for developers. My development services include the development of websites, APIs, software as a service (SAAS), apps, enterprise applications and much more.

What I do:

  • I blog about web performance stuff and freelancing.
  • I talk about web performance.
  • I help my clients to optimize their websites web performance.
  • I develop websites and web apps for my clients.
  • I do workshops about web performance and web accessibility.

Popular repositories

  1. Forked from ryanmcdermott/clean-code-javascript

    🛁 Clean Code concepts adapted for JavaScript


  2. my npm package


  3. CLI toolbox for performance measurements


520 contributions in the last year

May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Mon Wed Fri

Contribution activity

May 2022

21 contributions in private repositories May 2 – May 11

Seeing something unexpected? Take a look at the GitHub profile guide.