Speed optimization involves techniques and strategies to improve the load times and overall performance of a website or application, ensuring faster and more efficient user experiences.

Faster websites provide a better user experience, reduce bounce rates, and can improve search engine rankings. Speed optimization also helps in increasing conversion rates and overall site performance.

You can use tools like Google PageSpeed Insights, GTmetrix, or Pingdom to measure your website's load times and performance. These tools provide insights and recommendations for improvements.

Common techniques include compressing images, minimizing CSS and JavaScript files, leveraging browser caching, using a Content Delivery Network (CDN), and optimizing server performance.

Caching stores copies of your website’s files or data to reduce the time it takes to retrieve them from the server. This helps in loading pages faster by serving cached content to users.

Mobile optimization ensures that your website is designed to perform well on mobile devices, which includes faster load times and responsive design. Mobile optimization is crucial as more users access websites from their smartphones and tablets.