How do you design an effective A/B test for a niche market?

Every marketing campaign needs to be approached strategically. You have goals? Now in order to reach those goals you need to prepare a marketing strategy. The first phase is researching best practices, examining what your key competitors are doing ( you can gain valuable insights if you have key advantages in an area they are not promoting) and them looking at the best media channels to use. Move your brain into ‘how the potential customers will react to messages. (Create copy that solves a problem they have rather that pushing solutions they may not need). Finally prepare multiple messages to test to see which perform the best in getting calls or visitors to your website. Follow Richard DiPilla How 2 Media

A clear goal and hypothesis give your A/B test direction. If you don’t know what you're aiming for, you’re just guessing. Think of it as setting up a game plan—you’re not just tweaking things; you’re discovering what clicks with your audience. That’s how real growth happens.

I agree with this as well as doing a Competitive & Market Analysis of other competitor campaigns/websites to see current industry standards, trends, etc.

Using affinity interests on universal analytics is really helpful for finding out what interests your website visitors have as it tracks data from other websites they have visited. This can help you understand psychographic information that helps in profiling and keyword s that might capture higher quality customers with more intention to buy as well as inform copy and images in display ads

Bear in mind that Ads have an optimum performance level. You can’t just keep throwing money at an ad that performs and expect it to scale proportionally. It will drop off and even start to perform badly. Once you have reached optimum for an ad, if you want more traffic, sales etc. add other ads or even campaigns to reach other audiences or search terms or targeting aspects

Remember traffic and click volume are vanity metrics if you aren’t getting a good conversion rate. You’re better off with a lower volume of traffic and higher conversion rate than lads of clicks and no sales for example. Try niche keywords and phrase combos that indicate high intention rather than broad

Keep in mind that works best on one platform may not be the best performer on another and that performances may still decline over time. Online Ads are not set it and forget it. Don't be afraid to spot check and re-test if you don't see similar results to your original A/B test.

FYI, there are tools like Clickfunnels and Go High Level that include A/B split testing. However, I would use organic social media at scale to learn what resonates with your particular niche. Social media is now the preferred platform due to the Facebook Privacy debacle and rising costs of Google Adwords ads. I'd create tons of video shorts to test on YT, TT, FB & IG. Pay close attention to those with the most engagement. Your market will tell you what it resonates with... then simply adjust your A/B split tests on your website or sales funnel accordingly. You'll start out with a fairly optimized process while saving money and time on ads. You'll also mitigate the hassling of your core Customers to find out what you should already know.