Practical Techniques for Sustainable Web Development

Presentation for developers, students and businesses interested in measuring and reducing the carbon footprint of websites.

Make your website greener

Together, we can change the internet for the better. My main mission is to empower as many as possible to build sustainable and inclusive WordPress websites. Therefore, I will gladly give a talk at your educational institutions and businesses group or meetups. It’s completely free.

The presentation takes one hour, including questions. It has previously been held at SDU in Kolding, for design students at ZBC, at WordCamp Denmark in 2023 and WordCamp Europe in 2024.

We’ll cover the following topics

  • How to objectively measure the carbon footprint of websites
  • How to identify the biggest culprits
  • How to optimize content such as video, audio, images, text and third-party scripts in practice
  • What level of reduction you can typically expect
  • Is a climate-friendly website a boring website?
  • A single case study
  • Selected online articles, groups and podcasts

Prerequisites and tools

A little knowledge of your browser’s developer tools is a good starting point, but not a requirement.

The presentation only refers to freely available tools and resources.

Slides from the last presentation available on WordCamp.org

Bjarne

Bjarne Oldrup

Bjarne is a web developer with a passion for a sustainable, inclusive and respectful internet.

With a background as a computer technician, graduating in 1992, he has worked as a programmer, system administrator and network specialist. Today, he focuses on website carbon footprint, web accessibility and GDPR compliance.

Bjarne has spent the last decade working with medium-sized businesses to help them reduce their websites' environmental impact and promote healthy online practices.

WordPress, HTML, CSS and LiteSpeed web servers are Bjarne's favourite tools, and the open-source community is his comfort zone.

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