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A slug is a few lowercase words separated by dashes, describing a post and is usually derived from the post title to create a user-friendly (that is readable and without confusing characters) permalink. The post slug substitutes the `%posttitle%` placeholder in a custom permalink structure. A post slug should not be changed and is especially useful if the post title tends to be long or changes frequently.

A slug is a few lowercase words separated by dashes, describing a post and usually derived from the post title to create a user-friendly (that is readable and without confusing characters) permalink.

The post slug substitutes the %posttitle% placeholder in a custom permalink structure. A post slug should not be changed and is especially useful if the post title tends to be long or changes frequently.

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