Siteliner: An awesome free technical SEO and duplicate content checker

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Siteliner is a free fast site checker that shows your website’s key technical issues. It acts like an url checker, duplicate content checker, broken link finder, and page ranker scanning all crucial site aspects and giving out clean, clear, to the point reports (.xls, .pdf) and even an XML sitemap.

Features and use cases:

Siteliner is limited to monthly analyses of sites up to 250 pages. Sign up to be able to see your previous scans. To analyze sites up to 25,000 pages without frequency limitations you will need to upgrade to premium.