Text & writing
What Makes a Good URL Slug?
The slug is the part of a web address that names a specific page — in example.com/blog/learn-piano-chords, it is learn-piano-chords. A good slug is short, readable, and stable. This guide covers the conventions most sites follow and the mistakes that are hard to undo later.
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Qualities of a good slug
- Descriptive: it says what the page is about, so people know what they will get before clicking.
- Short: a few meaningful words are easier to read, share, and type than a whole sentence.
- Lowercase: some servers treat /About and /about as different pages, so lowercase avoids duplicates.
- Hyphen-separated: hyphens are the standard word separator in web addresses.
- Stable: it does not include things likely to change, such as a year or a price, unless they are part of the page’s identity.
Examples
| Page title | Weak slug | Better slug |
|---|---|---|
| How to Learn Piano Chords in 10 Easy Steps (2026 Update) | how-to-learn-piano-chords-in-10-easy-steps-2026-update | learn-piano-chords |
| Our Company’s Refund Policy | Our_Companys_Refund_Policy | refund-policy |
| FAQ | page-12 | faq |
What to leave out
Short filler words such as “a”, “the”, and “of” can usually go when the slug still reads clearly without them — but keep them if removing them changes the meaning. Avoid stuffing in extra keywords; a slug that repeats the same term looks spammy and does not help readers.
Changing a slug later
Once a page is published and linked, changing its slug breaks existing links and bookmarks. If you must change it, set up a permanent (301) redirect from the old address to the new one so visitors and search engines follow it. It is better to choose a lasting slug before publishing.
What Makes a Good URL Slug FAQ
- What is a URL slug?
- The readable part of a web address that identifies a page, such as learn-piano-chords in example.com/blog/learn-piano-chords.
- How long should a slug be?
- There is no fixed rule, but a few descriptive words are usually enough. Shorter slugs are easier to read and share.
- Should slugs be lowercase?
- Yes. Some servers treat uppercase and lowercase addresses as different pages, and lowercase avoids confusion and duplicates.
- Should I remove words like “the” and “a”?
- Often, if the slug stays clear without them. Keep them when they are needed for the meaning.
- What happens if I change a slug after publishing?
- Old links stop working unless you add a permanent redirect from the old address to the new one.
Related guides
- Hyphens vs. UnderscoresWhy hyphens are the standard word separator in web addresses, how underscores are treated, and when underscores still make sense.
- Accents and Symbols in SlugsHow slug generators handle accented letters, apostrophes, ampersands, emoji, and non-Latin alphabets, and how to choose a consistent policy.
Open the tool
Jump into URL Slug Generator when you are ready to process your files.
