The document outlines 10 things that Google hates about websites according to Jon Payne of Digital Gaggle. The 10 things are: 1) Content that does not reflect the language and questions of potential customers, 2) Duplicate content, 3) Images and videos of inappropriate sizes or hosting, 4) Problems with mobile user experience, 5) Ridiculous URLs, missing page titles or tags, 6) Bulky code, 7) Slow load times, 8) Lack of trustworthy links from other sites, 9) Poor security on forms and checkouts, and 10) Lack of structured data about products, people and places using Schema.