Google has placed a huge emphasis on the trustworthiness of pages and sites, and a page with poor spelling, grammar or typos is much less likely to be seen as trustworthy. Even if Google were irrelevant (which, of course, it isn’t), your website visitors are far less likely to trust and rely on information that isn’t written professionally. For more on this, see my article, Is Bad Grammar Killing Your Brand?.
Some questions to ask yourself include
- See more at: Are You Using Proper Grammar and Spelling, and is Your Content Coherent?