As an AI language model, I don't have a specific e-commerce site or products to sell. However, I can provide you with general information on how to effectively sell products online. 

To determine if an e-commerce site sells products effectively, several factors need to be considered:

1. User experience: The site should be easy to navigate, visually appealing, and mobile-friendly. It should have clear product descriptions, high-quality images, and intuitive search and filtering options. Providing customer reviews and ratings can also enhance the user experience.

2. Seamless checkout process: The checkout process should be simple, secure, and fast. Offering multiple payment options, such as credit cards, PayPal, or digital wallets, can cater to different customer preferences. Additionally, providing guest checkout or account creation options can improve conversion rates.

3. Marketing and promotions: Effective e-commerce sites employ various marketing strategies to attract customers. This may include email marketing campaigns, social media advertising, search engine optimization (SEO), and pay-per-click (PPC) advertising. Offering discounts, free shipping, or loyalty programs can also incentivize customers to make purchases.

4. Personalization and recommendations: Utilizing customer data to personalize the shopping experience can improve sales. This can involve showing personalized product recommendations, sending targeted emails based on browsing history, or offering personalized discounts. Amazon is an excellent example of a company that effectively implements personalized recommendations.

5. Customer support: Providing excellent customer support is crucial for online sales. This can be achieved through live chat, email, or phone support. Offering a clear return policy, FAQs, and a knowledge base can also help address customer concerns and build trust.

6. Analytics and optimization: Regularly analyzing website metrics, such as conversion rates, bounce rates, and average order value, can help identify areas for improvement. Utilizing tools like Google Analytics can provide insights into customer behavior, allowing for data-driven optimizations.

It's important to note that the effectiveness of an e-commerce site may vary depending on the industry, target audience, and specific products being sold. It's recommended to conduct market research and analyze competitors to determine best practices and strategies for your particular niche.