Since one of the main benefits of responsive search ads is the variation in writing 15 headlines and four descriptions, it’s important to make those headlines and descriptions unique.
The goal is to have as much variation as possible. Try different CTAs, mention different features, include different keywords, have different headline lengths, etc.
Having unique titles and descriptions (rather than very gcash database similar ones) will yield better results, as Google can see which ones are most effective.
As we discussed earlier, it is important to experiment with different header lengths.
You'll want to include shorter versions of your titles for mobile devices and longer versions for those on a desktop.
Additionally, you should experiment with different types of descriptions. These can include descriptions that have special offers, discount codes, savings, or benefits and product features.

Attract users with different offers in your descriptions
Using deals and discounts is a great strategy for responsive search ads.
You can test which special offers or discounts work best by using several in your descriptions.
Depending on which one performs better, Google will start showing that description more than the other versions.
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Have concise and direct calls to action
The best responsive search ads have concise, direct CTAs. They should be short CTAs like “Save now,” “Get free shipping now,” or “Why pay full price? Save 70% today!”
Short, concise calls to action tend to perform better in PPC ads in general, so it’s important to continue using those types of calls to action for your responsive search ads.
Include keywords, product features and benefits where you can
To drive results with responsive search ads, it's important to include keywords in your titles and add product features or benefits to your descriptions.
This will help you match multiple different queries, increase your reach, and ultimately generate more results from your responsive search ads.
Use existing high-performing ad content
Chances are you’ve already done PPC advertising before this. Find your top-performing ads and use some of that existing content in your responsive search ads. This is best practice for many types of PPC advertising, and it’s no different with responsive search ads.