Well, in my experience really depends from which keyword traffic comes.
It is true that the decision-making process does not always happen in a day but if you can create an effective content, creating true value, you can speed up this process.
If the content is well done, on the first day the person is informed, the second will be curious and the third pass from your site to place the order.
Try to think if you're looking for something and find interesting content!
Well, before purchase, there is a great probability that you skim from there to confirm the characteristics, so to see if the product is really what you want.
The goal is just that, make your content essential for making the purchase decision
A recent case study by Bing, has demonstrated how people can take up to 90 days before buying.
So you can have all the cookies of this world but the important thing is to hook people with a really good content!
Value is the real cookie and never expires