Set social media goals: Before creating a social media plan, you need to set clear and measurable goals. Some possible goals for a fashion boutique could be increasing brand awareness, driving website traffic, boosting sales, or building a community of loyal customers.

Identify your target audience: Knowing your target audience is essential for creating content that resonates with them. Determine their age, gender, location, interests, and buying behavior.

Choose the right social media platforms: Not all social media platforms are suitable for every business. Based on your target audience, you can choose the most relevant platforms. Instagram and Pinterest are great for fashion and beauty businesses, while Facebook and Twitter are better for reaching a wider audience.

Create a content strategy: The content you post on social media should be engaging, visually appealing, and aligned with your brand. You can create a content calendar to plan ahead, and vary your content types, such as product shots, lifestyle imagery, user-generated content, behind-the-scenes content, and educational content.

Optimize your profile: Your social media profile is your business's first impression. Make sure it includes your logo, a brief description, your website link, and contact information. Use keywords and hashtags that are relevant to your brand.

Engage with your audience: Social media is a two-way conversation. Respond to comments and messages promptly, and encourage engagement by asking questions, running contests, or hosting live events.

Use paid advertising: Social media advertising is a great way to reach a wider audience, promote your products, and drive website traffic. You can target your ads based on demographics, interests, and behaviors.

Measure your results: It's essential to track your social media performance to see what's working and what's not. You can use analytics tools to measure your reach, engagement, and conversion rates, and adjust your strategy accordingly.

By following these steps, you can create an effective social media plan to increase engagement for your fashion boutique. Remember that social media is not a one-size-fits-all solution, and you need to constantly adapt your strategy to stay relevant and engaging to your audience.