Page speed has always been a crucial part of SEO work, and as more companies make the shift to online operations, optimization becomes more important than ever. However, it's a complex subject that tends to be very technical. What are the most crucial things to understand about your site's page speed, and how can you begin to improve? To help you answer these questions, we're sharing this popular episode of Whiteboard Friday (originally published in February 2019) where Britney Muller goes over what you need to know to get started.
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Video Transcription
Hey, Moz fans. Welcome to another edition of Whiteboard Friday. Today we're going over all things page speed and really getting to the bottom of why it's so important for you to be thinking about and working on as you do your work.
At the very fundamental level I'm going to briefly explain just how a web page is loaded. That way we can sort of wrap our heads around why all this matters.
How a webpage is loaded
A user goes to a browser, puts in your website, and there is a DNS request. This points at your domain name provider, so maybe GoDaddy, and this points to your server where your files are located, and this is where it gets interesting. So the DOM starts to load all of your HTML, your CSS, and your JavaScript. But very rarely does this one pull all of the needed scripts or needed code to render or load a web page.
Typically the DOM will need to request additional resources from your server to make everything happen, and this is where things start to really slow down your site. Having that sort of background