Improving CMS performance is a customized approach that depends on specific needs and challenges, yet there are some best practices and tips that can help. To optimize website speed, reduce the size and number of images, videos, and other media files, use compression, caching, and minification techniques, choose a fast and reliable hosting provider, use a content delivery network (CDN), enable lazy loading and prefetching features, and update your CMS and plugins regularly. To ensure website availability, choose a hosting provider with high uptime guarantees and SLAs, use a backup and restore service, use a monitoring service to detect and resolve issues quickly, use a load balancer or failover system to handle traffic spikes and outages, and test your website performance across different devices, browsers, and locations. To enhance security, use a strong password with two-factor authentication for CMS login; limit the number of login attempts and user roles; use an SSL certificate with HTTPS protocol; use a firewall and antivirus software to block malicious traffic; update your CMS and plugins regularly; scan your website for vulnerabilities; use a security service to fix and prevent attacks. To improve content quality, create content relevant to your audience; optimize content for SEO using keywords, headings, metadata; use images, videos to enhance content; write in clear language with concise grammar; add calls to action and links to guide users; measure performance using analytics tools. Lastly, strengthen content governance by creating a content strategy with calendar; using content model & taxonomy to organize & structure content; adding metadata & tags for description & classification; conducting content audit & inventory reviews; using workflow & style guide for consistency & accuracy; choosing the right CMS for needs & goals.