Website speed has a direct impact on blog SEO, as it affects how users interact with your website and how search engines view your content. To optimize your website speed, you should start by optimizing your images and other multimedia elements, as well as minifying your HTML, CSS, and JavaScript files. Additionally, you should also use a content delivery network (CDN) to serve content faster, and enable browser caching to reduce the number of requests made to your server. Finally, you should also use a reliable web hosting provider to ensure that your website is always up and running.