When expanding your business to target a different country, building a separate website tailored for that specific market can be a good approach. However, there are a few factors to consider before making a decision.

1. Target Audience: Determine if your new target audience requires a separate website. If the cultural, language, or product/service preferences differ significantly, a separate website might be necessary. For example, if you are targeting China, where popular search engines like Baidu dominate, you might need a separate website optimized for Baidu.

2. Domain Strategy: Consider your domain strategy. If you already have a strong brand presence and domain authority, it might be beneficial to use a subdirectory or subdomain structure instead of a separate domain. For example, your main website could be "example.com/us" for the U.S., and the new website could be "example.com/uk" for the United Kingdom.

3. Localization: Optimize your website for the new market by focusing on localization. This includes translating the content into the local language, adapting imagery and design to align with local preferences, and incorporating local contact information and currencies.

4. SEO Considerations: Conduct keyword research specific to the new market and optimize your website accordingly. Use tools like Google Keyword Planner or country-specific keyword research tools to identify relevant keywords and phrases. Incorporate these keywords into your website's meta tags, headings, content, and URLs. Additionally, consider localizing your backlink strategy by obtaining links from local websites or directories.

5. Local Hosting: Consider hosting your new website on local servers to improve website loading speed and provide a better user experience. This can also positively impact your website's search engine rankings in the new market.

6. Local SEO: Implement local SEO strategies to improve your visibility in the new market. This includes creating and optimizing local business listings on search engines like Google My Business, Bing Places for Business, and local directories specific to the target country.

7. Cultural Sensitivity: Understand the cultural nuances and preferences of your target market. Adapt your website's design, content, and imagery to align with local customs, traditions, and sensitivities. This will help build trust and resonate with the local audience.

8. User Experience (UX): Ensure your website provides a seamless user experience by considering factors like language selection options, localized navigation, and appropriate formatting for dates, addresses, and phone numbers.

Remember, building a separate website requires additional resources and maintenance. If the differences between your target markets are minimal, it might be more efficient to focus on optimizing your existing website for international audiences rather than creating a completely separate website.

Ultimately, conducting thorough market research and understanding the unique characteristics of your target market will guide your decision-making process and help you optimize your website effectively.