# Deep-dive into HTML and CSS file size

Canonical: https://brew.new/browse/templates/email/pt1_k97zw8bjtnr9exzkm53g67zq958e4f5w

Brand: debugbear.com
Category: newsletter

![Preview of Deep-dive into HTML and CSS file size](https://cdn.brew.new/email-preview-5881c57bfe5d30bf-tracking_r57j5mfzbkxrzby2fgr7fr92vs8dv2jx-1789001799047.png)

## Email content

Hey there,

Loading HTML and CSS code quickly has a big impact on page speed. But what's causing large documents and stylesheets?

Often it's images embedded images, fonts, or data that's contributing to page weight.

DebugBear lets you analyze the size of HTML and CSS files to find out what's in them. Just expand the request and switch to the Size Analysis tab.

We also have a standalone tool for JSON Size Analysis.

Regards,

Matt

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