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Hey! Thanks for reaching out to us, We recently sunset Open Site Explorer because this past June, we released a brand new link tool called Link" data-id="entity-ember10592">Link Explorer.  Link Explorer includes an updated link index with vastly more data, an improved DA and PA score, and new features like Link Tracking Lists. Moving forward, you can use Link Explorer for your link data needs. For more details on Link Explorer, please check out our Help Hub here: https://moz.com/help/guides/link-explorer With regards to your second question, unfortunately we do not provide SEO support via our support channels but hopefully someone in our community will be able to advise Feel free to reach out to help@moz.com if you have any other questions, Eli