What is a URL Slug?

A slug is the part of a URL that identifies a specific page on a website in a readable form. In the URL https://example.com/hello-world, the slug is hello-world.

Slugs are designed to be human-readable and descriptive. A well-crafted slug is crucial for both SEO (Search Engine Optimization) and user experience.

Why Slugs Matter for SEO

Keywords: Including your primary keyword in the slug helps search engines understand the page topic.
Readability: Users are more likely to click on a clean, descriptive URL than a string of random characters.
Crawlability: Simple, standardized URLs (lowercase, hyphens) are easier for bots to crawl and index.

Best Practices

Rule	Good Example	Bad Example
Use Words	/iphone-15-review	/p=123
Use Hyphens (-)	/cool-page	/cool_page (Underscore)
Lowercase Only	/about-us	/About-Us
Remove Stop Words	/slug-generator	/what-is-a-slug-tool

FAQ

Hyphens (-) or Underscores (_)?

Google recommends hyphens (-) over underscores. Search engines treat hyphens as word separators (e.g., `blue-box` is read as "blue box"), whereas underscores join words together (`blue_box` is read as "bluebox").

How long should a slug be?

Short but descriptive is best. Aim for 3 to 5 words that include your main keyword. Avoid full sentences as they may get truncated in search results.

Can I use special characters in a slug?

It's best to avoid them. Non-alphanumeric characters (like &, @, !) can cause encoding issues or look messy (`%20`, `%26`). Stick to letters, numbers, and hyphens.

What are Stop Words?

Stop words are common words (like "a", "the", "and") that search engines often ignore because they carry little semantic meaning. Removing them makes your URL shorter and cleaner.

What if I change an existing URL?

If you change a live page's slug, you MUST set up a 301 Redirect from the old URL to the new one. Otherwise, users and search engines will see a 404 Error, hurting your traffic.

Does capitalization matter?

Yes. On many servers (like Linux), `/Page` and `/page` are different URLs. To avoid duplicate content issues and confusion, it is standard practice to always use **lowercase** for URLs.

Should I include dates in my slug?

Generally, no. Including dates (e.g., `/2024/01/post`) limits your content's lifespan. If you update the post later, the URL will look outdated. Use evergreen URLs like `/best-slug-tools` instead.

How do I change slugs in WordPress?

In the WordPress editor, look for the "URL" or "Permalink" settings in the sidebar. You can edit the slug there. Remember to set up a redirection if the post is already published!

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