Hello friends,

Which is best website analysis tool in seo..?

You should try A1 Website Analyzer for Windows and Mac (free 30 days trial)

it can handle huge sites, has a fast crawler and can show a ton of information afterwards

See:
https://www.microsystools.com/products/website-analyzer/
https://www.microsystools.com/products/website-analyzer/help/site-analysis-seo-audit/

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Found's SEO Audit Tool
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Varvy's SEO Overview Tool