Trailing Slash: The Forward Slash at the End of a URL
A trailing slash is the forward slash at the end of a URL path, and inconsistent use can create duplicate versions of the same page.
Trailing Slash is the forward slash at the end of a URL path.
What It Is
A trailing slash is the forward slash at the end of a URL path, as in /category/ versus /category.
Its meaning depends on the server and how the site is configured.
On some setups they are the same page; on others they are treated as entirely different URLs.
Does It Matter
- Many servers treat both versions as the same page.
- Some treat them as different URLs entirely.
- Google often crawls both before choosing one.
- Redirects between versions add an extra crawl step.
- Mixed usage appears in your links, shares, and analytics.
- The risk grows with the size of the site.
Why It Matters
- Inconsistent use can create duplicate URLs.
- Redirects between versions add crawl steps.
- Mixed internal links split signals.
- It confuses reporting across the two forms.
- Fixing it late means cleaning up years of links.
How to Handle It
- Pick one standard form for the whole site.
- Redirect the other version consistently.
- Keep every internal link in the chosen form.
- Match your CMS and server configuration to that choice.
- Test the redirects to confirm the version resolves cleanly.
- Enforce the rule in new templates and content.
Common Mistakes
- Assuming both versions always resolve the same.
- Mixing forms in internal links and sitemaps.
- Redirecting inconsistently across directories.
- Forgetting canonical tags on the non-standard form.
- Ignoring the double slash or WWW variants too.
Before: some pages use /page and others use /page/.
After: the site redirects all to one form.
The result: crawlers see a single version of each page.
The lesson: consistency prevents duplicates.
Quick Tip
Whatever you choose, apply it to every URL and redirect the opposite form to keep signals consolidated.
Frequently Asked Questions
Trailing Slash, in Short
One small character can create duplicate pages.
Choose a standard and redirect the rest.
Keep every link, sitemap, and redirect on the same form.