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in order to determine if your website is hacked this is one of the best tools I know of both to find out and to remove the malware. https://sitecheck.sucuri.net/ In order to determine rather not you have on-site SEO problems on a very technical and granular scale I would use https://www.deepcrawl.com/ $80 a month you cannot go wrong another amazing tool and it's free for the first 500 pages and if you want the added features which you do or more pages only about $150 a year is http://www.screamingfrog.co.uk/seo-spider/