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Honestly speaking your website have tons of problems that might take your website to the spotlight and then Google took you down somewhere... here are the things that you should change immediately or may be heir some SEO to fix at least the one time problems so that things can work out well for you! In the single look to your website, you probably need to change your title, title your images, add some content to the page if possible and fix almost all technical stuff of the page and then we can start looking in to off-page and link related problems.