The most comprehensive list of tester redirect checker websites last updated on Sep 1 2023. Stats collected from various trackers included with free apps.
InternetOfficer - AWStats - SEO - Redirect check - RegEx Tester - Web Robots SEO Tools and Articles, including the AWStats Library, the Web Robots Encyclopedia, a ReGex Tester and a Redirect Checker that checks a redirect in seconds, even if you are not a HTTP-header guru !