Chrome DevTools

What is Transfer Size?

Matthew Edgar December 8, 2025

What is transfer size and why should you measure it? For that matter, how do you measure your website's transfer size? Transfer size refers to the amount of data that needs to be transmitted from a web server to a browser (or a robot) when loading a web page. Naturally, the smaller you can make the transfer size, the better.

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Chrome DevTools: Unused CSS

Matthew Edgar March 31, 2024

Unused CSS or JavaScript code will slow your website and can worsen Core Web Vitals metrics. How do you find how much unused code there is on your website? One way to find unused CSS or JavaScript code is in Chrome DevTools.

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View Server-Side Code

Matthew Edgar October 2, 2023

To debug website issues, you often need to review the HTML code. The problem is when you right click and inspect in Chrome, you are not viewing the code the server originally sent to the browser.

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