According to the collective opinions of a few SEO experts across the web on the context, it is not a good idea to change your keywords for SEO purposes as keyword research is a first step in the SEO process, which should have been taken into consideration while creating or writing the content.
Do keywords still matter for SEO?
Yes, keywords matter for SEO. SEO is constantly changing which makes keyword selection a challenge. When choosing keywords for SEO, it's important to select keywords that are relevant to your target audience. Additionally, make sure that the keywords you select are likely to rank well in search engines.
If the keywords you select aren't likely to rank well, it's likely that your SEO efforts will be wasted, so it's best to select keywords that are likely to be relevant in the long term.
When you're trying to improve your search engine optimization (SEO) using keywords in your content, search engines like Google may penalize your site. This is because Google might consider it under keyword stuffing, which is a black-hat SEO practice. [But, no detailed case studies were available under this scenario]
The best way to ensure that you don't suffer any consequences is to only make small changes to your keywords. You should also make sure that the changes are appropriate for the content. Additionally, you should avoid overusing the keywords or making them appear unnatural.
Therefore, it is always best to focus on creating high-quality content that speaks to your audience’s needs [people-first content approach] and interests. If you do this well, Google will likely reward you with high rankings with time.
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