In SEO, we often talk about creating the right slug for a page. But what is this really? And why should you optimize it? In this post, we’ll explain all you need to know about it.
What’s a slug?
A slug is the part of a URL which identifies a particular page on a website in an easy to read form. In other words, it’s the nice part of the URL, which explains the page’s content. In this article, for example, that part of the URL simply is ‘slug’.
Here’s how Joost explained slugs in an Ask Yoast video:
In WordPress, it’s the part of your URL that you can edit when writing a new post. Note that this only works with the right permalink settings. It looks like this:
If you have added more variables to your URL, we’re still talking about just that editable part of the URL to the page, like this:
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There’s an additional value at the end of that URL. In this case, that extra variable is used so slugs can be the same without the URL being the same. I think these examples clearly show what the slug we are talking about is.
What does a slug mean for SEO
The SEO benefit of a slug is that you can change the words to make sure that it has the words that you really want to rank for. It’s one of the indicators Google uses to determine what a page is about. It’s also one of the things that people see in the search results. You always see ten different URLs about a certain topic, like WordPress SEO, right? Our main article on this has the URL yoast.com/wordpress-seo, which is very on point. People might click on that a lot easier than if it’s yoast.com/?P=613458, which what WordPress does by default.
Optimizing your slug
What are the things you need to think of when constructing the right slug for your post or page? Let’s go over a number of characteristics you need to take into account:
No stop words
Filter out all the unnecessary words. Filter out “a”, “the” and “and” and similar words. We have written a tad bit more on stop words in our WordPress SEO article. For users of our Yoast SEO plugin: you might have noticed we filter stop words out by default.
Don’t just filter out stop words, but really all the words that you don’t need. Make sure the slug still makes sense though. In the case of this post, WordPress automatically creates the slug “what-s-a-slug-and-how-to-optimize-it” (based upon the permalink settings in WordPress), which I manually reduced to “slug”.
There is one thing to keep in mind here. “Slug” as a subject is not likely to get another page on its own on our blog. This informative article will most probably remain the central point for information about slugs on our website. So I can reduce the slug to just “slug” for that reason. If this was an additional post to the main article, it would probably have been something like “optimize-slug” (and I wouldn’t have explained what it is, for that matter). So, do consider the page’s level or position on your website.
Keep it short, but descriptive
The URL of your page is shown in Google search results. Not always, sometimes it’s for instance replaced with breadcrumbs (awesome). Don’t include too much information if you intend to reuse the URL for article updates. Be careful with dates and such:
Now go optimize your slug with these three things in mind!
Read more: SEO basics: what does Google do? »