It is the readable segment of a page’s address after the domain, usually lowercase words separated by hyphens (for example /seo-tips-2025-ultimate-guide). It names the page in the URL instead of using only numbers or IDs.

They let you use clear, keyword-rich paths that match what people search for, improve click-through from results, and keep URLs easy to share and remember — all without changing how your site works technically.

Yes, but the old URL will stop working unless you add a redirect. Changing slugs can cause broken links and temporary ranking fluctuations, so plan redirects (301) and update internal links when you rename important pages.

Yes. Lowercase avoids duplicate URLs that differ only by case, matches common convention, and keeps links consistent when shared or typed.

Short enough to read at a glance — often three to five words. Include the main topic and year or qualifier if useful; avoid stuffing keywords or making the path longer than it needs to be.

No. These utilities run in your web browser. Your text is processed locally in this tab unless a tool explicitly states otherwise (for example, fetching your public IP uses a minimal server request).

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