WordPress Basics

What is a Permalink in WordPress

WordPress basics for beginners

If you have ever seen a strange URL like https://example.com/?p=123 and wondered how to turn it into something clean like https://example.com/what-is-a-permalink-in-wordpress/, you are really asking about permalinks. In WordPress, the permalink is the permanent URL for a specific post, page, or piece of content.

Getting permalinks right is important for usability, branding, and search engine optimization (SEO). In this guide, you will learn what a permalink is in WordPress, how it is structured, how to configure global permalink settings, how to edit individual URLs, and how to fix common permalink problems.

If you are completely new to the platform, you may also want a quick refresher on what WordPress is and how it works before you start changing URL settings on a live site.

Prerequisites

You do not need to be a developer to understand and configure permalinks, but a few basics will help you follow along smoothly.

  • Access to your WordPress admin dashboard (typically at /wp-admin).
  • An Administrator-level user account so you can change Settings.
  • A recent backup or a staging site if your site is already receiving traffic (recommended before changing URLs).

Step 1: Understand What a WordPress Permalink Is

A permalink (short for “permanent link”) is the full URL that points to a specific piece of content on your WordPress site. Visitors use it to access the page, and search engines use it to index and rank that content.

In WordPress, permalinks are used for multiple content types:

  • Blog posts (your main articles).
  • Pages (static content like “About” or “Contact”).
  • Custom post types (e.g., products, events, portfolios).
  • Taxonomies such as categories and tags.

Permalinks matter because:

  • They help users understand what a page is about before clicking.
  • They provide context for search engines and can include keywords.
  • They are shared in emails, social media, and other websites, so changing them later can break links if redirects are not set up.

Step 2: See How a Permalink Is Structured

Consider this example URL:

https://example.com/blog/what-is-a-permalink-in-wordpress/

It is made up of several parts:

  • Protocol and domain: https://example.com – your main website address.
  • Path or subdirectory: /blog/ – optional folders or structures you define.
  • Slug: what-is-a-permalink-in-wordpress – the part that uniquely identifies this post.

The permalink is the entire URL, while the slug is just the final part after the last slash. If you want to dive deeper into slugs themselves, see the dedicated guide on what a slug is in WordPress.

Step 3: Configure Global Permalink Settings

WordPress generates permalinks based on a global structure that you can configure in the Settings menu. This structure controls how URLs are built for posts and sometimes other content types.

  1. Log in to your WordPress dashboard as an Administrator.
  2. In the left-hand menu, go to Settings > Permalinks.
  3. On the Permalink Settings screen, review the available options:
    • Plain: Uses a query string, e.g., ?p=123. Not recommended for SEO or readability.
    • Day and name / Month and name: Include dates in your URL, e.g., /2025/01/03/post-title/.
    • Numeric: Uses post IDs inside the path.
    • Post name: Uses just the slug, e.g., /post-title/ – the most popular, clean, and SEO-friendly option for most blogs.
    • Custom Structure: Lets you define your own pattern using tags like %category% and %postname%.
  4. Select Post name for a simple, readable URL structure (recommended for most sites).
  5. Scroll down and click Save Changes to apply the new permalink structure.
WordPress Permalinks settings page displaying various permalink structures, with the SEO-friendly 'Post name' option selected.
The WordPress Permalinks settings page highlights the ‘Post name’ structure, widely recommended for SEO-friendly URLs.
Warning: Changing permalink structure on an established site can cause broken links and 404 errors if you do not set up proper 301 redirects. Always test changes on a staging site or during low-traffic periods.
Pro Tip: If you are launching a new site, set your preferred permalink structure (usually “Post name”) before publishing content to avoid redirect headaches later.

Step 4: Edit Permalinks for Individual Posts and Pages

Even after you define a global structure, you can still customize the permalink for each post or page by editing its slug. This is useful for shortening URLs or refining them around your focus keyword.

  1. Open the post or page you want to edit in the WordPress editor.
  2. Locate the Permalink or URL section near the top of the editor (it may be under the title or in the sidebar, depending on your editor and theme).
  3. Click the Edit button next to the slug.
  4. Enter a short, descriptive slug using:
    • Only lowercase letters and numbers.
    • Hyphens (-) to separate words.
    • No spaces, underscores, or special characters.
  5. Click OK or press Enter, then update or publish the post to make the new permalink live.
Note: Changing the slug after a post has been published will change its URL. If that post has already been indexed or shared, set up a 301 redirect from the old URL to the new one to preserve SEO signals and user bookmarks.

Step 5: Create SEO-Friendly Permalink Structures

Permalinks are not the only ranking factor, but well-structured URLs help users and search engines understand your content quickly. Combine solid permalink practices with broader optimization from a guide like the WordPress SEO beginner guide.

  • Include your main keyword: Add your primary topic or keyword to the slug, but avoid stuffing multiple similar keywords.
  • Keep URLs short and descriptive: Aim for 3–6 words that clearly describe the content.
  • Use hyphens, not underscores: Search engines treat hyphens as word separators, which makes the URL easier to parse.
  • Avoid filler words where possible: Words like “and”, “the”, or “of” can often be removed, as long as the URL still makes sense.
  • Do not change URLs without a plan: If you must update an existing permalink, map out 301 redirects first to avoid losing traffic.
Pro Tip: When you publish a new post, review the slug before you hit “Publish.” This small habit keeps your permalink structure clean and saves you from risky changes later.

Step 6: Fix Common WordPress Permalink Issues

Sometimes permalinks stop working as expected, especially after migrating a site, changing settings, or installing new plugins. Here are common issues and how to fix them.

404 errors on all posts and pages

If your homepage loads but all posts return a 404 error, your permalink rules may not be registered correctly.

  1. In the WordPress dashboard, go to Settings > Permalinks.
  2. Without changing anything, click Save Changes to force WordPress to “flush” and regenerate its rewrite rules.
  3. Clear any caching plugins and your browser cache, then test your URLs again.

Flushing permalinks with WP-CLI

If you have command-line access to your server and WP-CLI installed, you can flush permalinks from the terminal.

Run this command over SSH in your site’s root directory:

wp rewrite flush --hard

This forces WordPress to rebuild permalink rewrite rules, which can fix many 404-related issues after changes to plugins, themes, or custom post types.

Issues related to .htaccess or server configuration

On Apache servers, WordPress usually stores permalink rewrite rules in an .htaccess file. If this file is missing or not writable, permalinks may fail.

  • Ensure the file .htaccess exists in your site’s root and that your web server user has permission to write to it.
  • Check with your hosting provider if you are unsure how to manage file permissions or rewrite rules.
Warning: Editing .htaccess or server configuration incorrectly can take your site offline. Always back up the file before making changes, and ask your host for help if you are not comfortable editing server files.

Finalize Your WordPress Permalink Strategy

Permalinks are more than just technical details in the background of your WordPress site. They shape how visitors, search engines, and other websites see and share your content.

By understanding what a permalink is, choosing a sensible global structure, customizing individual slugs, and knowing how to fix common issues, you can keep your URLs clean, readable, and SEO-friendly. Set your permalink strategy early, stick to it consistently, and handle any necessary changes carefully with redirects and thorough testing.

Further Reading

Frequently Asked Questions

What is the difference between a permalink and a slug in WordPress?

The permalink is the full URL that points to a specific piece of content, such as https://example.com/blog/what-is-a-permalink-in-wordpress/. The slug is only the last part of that URL, such as what-is-a-permalink-in-wordpress. WordPress uses the slug (combined with your permalink structure) to build the complete permalink.

Is it safe to change my permalink structure on a live WordPress site?

It can be safe, but only if you plan carefully. Changing the global permalink structure on a live site without 301 redirects can cause 404 errors, lost traffic, and broken backlinks. If you must change the structure, first map all old URLs to their new counterparts, implement redirects, and test thoroughly on a staging environment before making changes live.

How do I fix 404 errors after changing permalinks?

Start by going to Settings > Permalinks in your dashboard and clicking Save Changes to flush rewrite rules. Clear any caching plugins and your browser cache, then test again. If the problem persists, consider flushing permalinks with WP-CLI or checking your .htaccess file or server rewrite configuration, and contact your host if needed.

Do permalinks affect my WordPress site's security?

Permalinks themselves are not a primary security layer, but they can reveal information such as post IDs or directory structures. In general, your site’s security depends more on strong passwords, updates, backups, and proper hardening than on the specific permalink structure you use. Focus on good security practices while keeping permalinks clean and user-friendly.

Will updating old permalinks improve my SEO?

In some cases, refining very messy or unclear URLs can help click-through rates and indirectly benefit SEO. However, changing old permalinks is risky because it can break existing links and rankings if redirects are not set up correctly. Only update old URLs when there is a clear benefit, and always implement 301 redirects from the old URLs to the new ones to preserve as much SEO value as possible.

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