---
title: "WWW vs Non-WWW Redirects: 5.9% of Ranking Sites Serve Both - PageSpeed Matters"
url: https://www.pagespeedmatters.com/resources/data-studies/www-vs-non-www-redirects
description: "When we requested the opposite host (www or non-www) on 11,071 ranking sites, 5.9% served the page on both hosts instead of redirecting to one."
lang: en
---

WWW vs Non-WWW Redirects: 5.9% of Ranking Sites Serve Both (https://www.pagespeedmatters.com/resources/data-studies/www-vs-non-www-redirects)

When we requested the opposite host (www or non-www) on 11,071 ranking sites, 5.9% served the page on both hosts instead of redirecting to one.

Ranking sites that serve the homepage on both www and non-www, by best rank

#1 3.8%

2 to 5 5.4%

6 to 10 5.4%

11 to 20 7.2%

Source: PageSpeed Matters. 11,071 ranking sites, Oct 2026.

Correlation only; a duplicate host does not stop a site from ranking.

Source: WWW vs Non-WWW Redirects: 5.9% of Ranking Sites Serve Both - PageSpeed Matters (https://www.pagespeedmatters.com/resources/data-studies/www-vs-non-www-redirects)