What is a URL Slug?

A URL slug is the readable path segment that identifies a page, record, or route within a web address. In example.com/guides/qr-printing, the final segment qr-printing is the slug. In a short link such as s.id/product-demo, the alias after the slash performs a similar job by identifying the redirect record.

Slug, Domain, and Full URL

• Domain: example.com identifies the site or service.
• Path: /guides/qr-printing locates content within that site.
• Slug: qr-printing is the descriptive final segment in this example.
• Full URL: Includes the scheme, domain, path, and any query parameters or fragment.

People sometimes use “slug,” “alias,” and “vanity path” interchangeably in link tools. The exact label matters less than understanding which part can be edited and whether it must be unique.

Choosing a Useful Slug

Use words that describe the destination or action without depending on internal campaign knowledge. Shorter is useful only while the address remains understandable. Prefer a consistent separator and casing convention, avoid easily confused characters, and do not place email addresses, customer identifiers, access tokens, or other sensitive data in a public slug.

Check whether the name could conflict with a future product, support route, legal page, or campaign. If a link will be read aloud, test how it sounds. If it will be printed, keep a record of the destination and owner because the physical material may outlive the campaign team.

How This Works in s.id

s.id lets a user choose a custom alias when the requested value is available and permitted by the current account rules. The alias does not itself determine analytics retention, destination editing, custom-domain access, or other plan features. A custom domain and a custom alias are separate decisions, even when they appear together in one branded link.

Maintenance and Measurement

Changing or reusing a familiar slug can surprise people who saved or printed the earlier link. Keep the destination aligned with the words in the address and review long-lived links before repurposing them. Link activity can show recorded requests, but the destination system remains responsible for sessions, forms, purchases, and other outcomes.