Understanding HTTP/2 and its Differences from HTTP/1

HTTP/2 is the second major version of the Hypertext Transfer Protocol (HTTP), designed to improve performance and security. The key differences between HTTP/2 and HTTP/1 include: 1. **Multiplexing**: HTTP/2 allows multiple requests and responses to be sent simultaneously over a single connection, reducing latency. In contrast, HTTP/1 requires multiple connections for concurrent requests, which can lead to delays. 2. **Header Compression**: HTTP/2 uses HPACK to compress headers, minimizing the size of the data transmitted. This is not available in HTTP/1. 3. **Binary Protocol**: HTTP/2 is a binary protocol, which is more efficient for computers to parse compared to the text-based nature of HTTP/1. 4. **Prioritization**: HTTP/2 allows requests to be prioritized, meaning that more important resources can be loaded first. To add HTTP/2 support to a domain, you typically need to ensure that your web server supports HTTP/2, which may involve: - Updating your web server software (e.g., Apache, Nginx) to the latest version that supports HTTP/2. - Enabling HTTP/2 in the server configuration, usually by adding a specific directive in the configuration file. - Ensuring your site is served over HTTPS, as most browsers require secure connections for HTTP/2. After making these changes, you can test your website to confirm that it is using HTTP/2.