WWWリダイレクトチェッカー
概要 WWWリダイレクトチェッカー
無料のリダイレクトチェッカーで、任意のURLのリダイレクト方式を確認できます。301・302リダイレクト、リダイレクトチェーン、SEOに悪影響を与えるループを特定します。
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Frequently asked questions
Is the WWW Redirect Checker free?
This tool requires an active one-time membership to use - pay once and unlock this tool plus every other gated tool on the site, no subscription, no ads.
Why does it matter whether www and non-www both redirect to one version?
Without a proper redirect, search engines can treat www.yoursite.com and yoursite.com as two separate sites, splitting your SEO authority and creating duplicate-content issues. A single canonical version should always be enforced.
What type of redirect should I use for this?
A 301 (permanent) redirect is correct for consolidating www and non-www versions - it passes nearly all SEO value to the destination and tells search engines the change is permanent.
