Register now or log in to join your professional community.
Here are the list of things that matters and the Quality Score is calculated. The cost per click goes down this is how it work.
COST = bid amount +0.01 ÷ Quality Score
And Quality Score depends on these factors.
Past clickthrough rate (CTR) for certain keywordsHow often a specific keyword led to clicks on a specific advert.
A display URL's past CTRHow often a specific display URL received clicks.
Account historyThe overall CTR of all the ads and keywords for an account.
The quality of a landing pageHow relevant, transparent, and easy-to-navigate a page is.
Keyword/ad relevanceHow relevant a keyword is to the advert.
Keyword/search relevanceHow relevant a keyword is to what a customer searches for.
Geographic performanceHow successful your account has been in specific regions.
An advert's performance on a siteHow effective an advert has been on this and similar sites in the Display Network
Targeted devicesHow effective adverts have been on different types of devices, e.g. desktops/laptops, mobile devices, and tablets
Below are my thoughts to increase the keywords Quality Score.
Increase Keyword bid
Write Compelling Ad copies
Optimize landing page with respect to keyword to improve landing page relavancy
Increase CTR
Add call to action notes in Ad copyies
tightly segregate keywords into theme based ad groups