Write 20 SEO articles on web design and digital marketing topics - repost 2

Please note: Proper UK english and grammer required, please do not bid on this project if you cannot write the articles using proper UK English and grammer. I need 20 original SEO articles written on various web design and online marketing topics. Exact keywords will be given to the winning bidder. Articles should be 400+ words each and will be used as blog posts. I can provide much continued work for the right person. I will provide the keywords and I am expecting at least 3% keyword density. The articles have to be Search Engine Optimized (SEO) The project is to be completed within one week (7 days), I have had bad experiences in the past with freelancers not providing work to schedule, If this is not possible for you to complete in 7 days, say so in your bid. I need a reliable content writer so will not accept late delivery. The articles need to be informative to the reader with 100% correct grammar and punctuation. The articles will need to be concise and to the point. I can't accept articles just filled with fluff words meant to fill space. Also, the articles must be 100% unique, they will be reviewed through Copyscape, Plagiarism Detect and one other programme which i will not be listing for plagiarism. I will not be able to pay if all requirements in this listing aren't met, so please don't bid if you can't meet these requirements. You agree that upon sending me the articles all rights to the articles transfer to me. This means you will not sell, reproduce or re-use these articles in any way. Thank you and I look forward to hearing from you.