Squarespace is generally considered to be a good platform for SEO. Squarespace provides a range of built-in SEO features that can help optimize your website for search engines.

Here are some of the key SEO features that Squarespace offers:

1. Clean Code: Squarespace templates are built with clean code, which makes it easier for search engines to read and index your website.

2. Mobile Optimization: All Squarespace websites are automatically optimized for mobile devices, which is important for both user experience and search engine rankings.

3. Site Map: Squarespace automatically generates a sitemap for your website, which helps search engines find and index all of your pages.

4. Meta Descriptions and Titles: You can customize your website's meta descriptions and titles, which are important for search engine results and click-through rates.

5. Image Optimization: Squarespace allows you to add alt text to your images, which helps search engines understand what your images are about.

6. Social Sharing: Squarespace includes social sharing buttons on all pages, which can help increase your website's visibility and drive more traffic.

7. Analytics: Squarespace includes built-in analytics tools, which can help you track your website's traffic and user behavior.

It's important to note that while Squarespace provides a range of built-in SEO features, there are still best practices you should follow to optimize your website for search engines. These include:

1. Choosing relevant and high-traffic keywords for your content.

2. Creating high-quality, original content that provides value to your visitors.

3. Building high-quality backlinks to your website from other relevant websites.

4. Optimizing your website's page load speed.

5. Building a strong social media presence.

By following these best practices and utilizing Squarespace's built-in SEO features, you can help optimize your website for search engines and improve your online visibility.