As you see by the amount of feedbacks here, this list will get unmanageably long in no time. I think you should categorize the items in checklist ("Mobile", "SE

As you see by the amount of feedbacks here, this list will get unmanageably long in no time. I think you should categorize the items in checklist ("Mobile", "SEO", "Testing", "Server", etc) and add the ability to fold/collapse a category in order to see the items belonging to that certain category.