From the course: Advanced SEO: Developing an SEO-Friendly Website

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Canonical URLs

Canonical URLs

From the course: Advanced SEO: Developing an SEO-Friendly Website

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Canonical URLs

- [Instructor] Unintentional content duplication due to improper URL handling is one of the more common SEO issues I come across. It can hinder your SEO efforts dramatically and it goes unnoticed because to an outside observer, the site often works fine. We really don't pay much attention to what happens in the address bar as we click around on links or when vising a website directly. If we forget a trailing slash, mix in a few stray capital letters as we type a URL or ignore adding in www before the root domain, we'll often still arrive where we expected to be but behind the scenes it can be a completely different story. When you type a URL into your browser, the first step is for the browser to conduct a DNS lookup to retrieve the IP address. Now, all the ways that this lookup can happen is beyond what we need to cover here but once the browser has the IP address, it can send an HTTP request over to get the information that you want from the web server and at this point, the server…

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