Fershad Irani
Web Sustainability & Performance Consultant

Hey, I'm Fershad. I help environmentally conscious companies ensure their websites are fast, optimised for performance, and have a low carbon impact.

Why does website sustainability matter?

What I do

I work with companies that want to improve their website's performance, meet Core Web Vitals, and have a lower environmental impact. Through sustainability-focused audits and consulting services I help assess, identify, and fix website sustainability and performance issues.

I also ...

Feature

Writing

I write every so often on my blog about topics relating to digital sustainability and performance. You can also find case studies featuring some of the optimisation and performance work I've done for clients.

Close-up photo of iWatch measuring health and fitness

Tracking real Core Web Vitals scores

There are a few options when it comes to keeping track of your website's real world Core Web Vitals scores. In this post I'll cover some of the services or tools you can use, and some things to be aware of.

Inline skates on a wooden floor.

Using Cloudflare Workers to inline external CSS

Loading CSS from external files can slow down your site's initial paint, potentially hitting your Core Web Vitals in the process. In this short post we'll look at how using to use a Cloudflare Worker to inline the content of external CSS files.

Wind turbines standing in a grass field in Spain.

Reducing website carbon emissions

As our thirst for data, connectivity, and content grows, so does the portion of global carbon emissions attributed to the internet. In this post, we'll take a look at the steps frontend developers can take to make sites more efficient and better for the planet.