The number of keywords does not directly determine the effectiveness of Google promotion. The more keywords does not mean that the user clicks higher, too many keywords mean that any one keyword is not well configured, click dispersion results in can not better understand which keyword is the real conversion word, thus affecting the next step of testing and optimization. Choose more keywords, it is better to choose the right keywords. On the same budget, according to the user's actual search and click to select the right keywords, the fewer keywords, ads can get enough display and more surplus and competitors to bid.

Website pages need to contain keywords, improve the user experience of the site page, to avoid the situation that does not conform to the content of the ad, should optimize the page, improve the page keyword relevance, advertising content relevance, browsing experience, increase Google Ad Score (Quality Score), maintain click-through rate while increasing conversions to achieve real benefits.
1) Whether the corresponding discount or offer is included in the advertisement.
2) Whether the layout of the site is clear.
3) Is there a mess of windows and other factors affecting the user experience.
4) Whether the navigation is clear or not.
5) Whether the search is available and useful.
6) There is a problem with the order or inquiry system.

Using 2 ads, Plan A and Plan B were conducted simultaneously to compare the results of a certain period of testing to get more click-throughs or more conversions. Keep the most effective one and test it with a new ad. Improve the quality of your ads and deliver real business value in the process of continuous testing and optimization.