Factors that affect ranking in Google Shopping

There are many factors that affect ranking, performance, or clicks that you get from Google Shopping. Listed below is not meant to be an exhaustive or accurate list. Google's algorithms are secret, and below is simply our best guess based on Google's recommendations and other Internet chatter.

Factors That You Control

Product titles and descriptions
The amount of your bid, daily budget, and other Adwords settings
Submitting all other, relevant product data
Submission frequency (daily is best)
Site uptime and load time
Completeness and accuracy of the product data
Following Google content policies
Following Google quality guidelines
Following Google editorial guidelines

Factors Out of Your Control

Competition from other merchants
Google's ranking algorithm, which is constantly being changed
Customer demand for your products
Customer demand for Google and Google Shopping
How much Google promotes Product Search