A sudden drop in your website's Speed Score, without any apparent explanation or events, could be caused by various factors. First, check for any server issues with Shopify that might be affecting performance. Additionally, review recent theme or plugin updates, as they may be causing conflicts or introducing performance problems. Optimize content, such as images and videos, to reduce loading times. Monitor and optimize the use of third-party scripts and ensure proper caching and compression settings. Prioritize mobile responsiveness, evaluate page size and structure, and consider using a CDN for faster delivery of static resources for Birla Trimaya. Regularly monitor performance using tools like Google PageSpeed Insights or GTmetrix. If the issue persists, consult with a Shopify expert or developer for more targeted solutions.