What I Learned Building a Product Review Platform Using ASP.NET Core and SQL Server

When I started building OpinioZone , my goal was simple: create a platform where users could compare products, read reviews, and make informed buying decisions. At first, it seemed like a straightforward web application. Store products, display specifications, and allow users to browse information. However, as the platform grew, I quickly discovered that building a review and comparison website involves many technical and architectural challenges. Choosing the Technology Stack I selected ASP.NET Core as the primary framework because of its performance, flexibility, and long-term support. For data storage, I chose SQL Server since it provides strong reliability and works well with complex relationships between products, categories, reviews, ratings, and specifications. This combination allowed me to build a scalable foundation while keeping development manageable. Designing the Database One of the biggest challenges was designing a database structure that could support multiple product categories. A smartphone and a car have very different specifications, but the platform needed to handle both efficiently. Instead of creating completely separate systems, I designed a flexible structure that could store category-specific attributes while maintaining a consistent user experience. This decision made it easier to add new product categories without major database changes. Building Product Comparisons The comparison feature became one of the most important parts of the platform. Users expect side-by-side comparisons to load quickly and display meaningful differences between products. To achieve this, I had to optimize queries and carefully structure specification data. Performance became increasingly important as the number of products grew. SEO Challenges For a content-driven website, SEO is critical. Every product page requires: Unique titles Descriptions Structured content Internal linking Fast page loading One lesson I learned early was that technical SEO and content q