1. Progressive Web Apps (PWAs): Progressive web apps continue to be popular, offering a seamless user experience across various devices and offline capabilities.
2. Single Page Applications (SPAs): SPAs, like those built with frameworks such as React or Angular, were widely adopted for their ability to provide a smooth user experience by loading only the necessary content, reducing page reloads.
3. Serverless Architecture: Serverless computing allows developers to focus on writing code without the need to manage server infrastructure. This approach can improve scalability and reduce operational overhead.
4. Jamstack Architecture: Jamstack (JavaScript, APIs, and Markup) architecture emphasizes decoupling the frontend and backend, relying on pre-built markup and serving dynamic functionalities through APIs.
5. WebAssembly (Wasm): WebAssembly enables high-performance code execution in browsers, opening the door for more complex web applications and better performance.
6. GraphQL: GraphQL, a query language for APIs, continues to gain popularity for its flexibility and efficiency in fetching only the required data, reducing over-fetching issues.
7. Motion UI and Microinteractions: Enhancing user interfaces with subtle animations and microinteractions for a more engaging and user-friendly experience.
8. Cybersecurity: With an increasing number of cyber threats, web developers are placing a stronger emphasis on security measures, including secure coding practices, encryption, and regular security audits.
9. Artificial Intelligence (AI) and Machine Learning (ML): Integrating AI and ML into web applications for features like personalization, chatbots, and recommendation systems.
10. Accessibility: Ensuring that websites are accessible to users with disabilities is a growing priority. Web developers are incorporating best practices for creating inclusive and accessible user interfaces.

For the latest trends and insights specific to the Greek web development community in 2023, consider checking local tech events, forums, and blogs that focus on web development in Greece.