Limit the number of URLs: You can reduce the number of URLs in your sitemap by excluding irrelevant pages by using the robots.txt file.
Use the cron job feature: The cron job feature can be used to automate the generation of your sitemap. This reduces the load on your server, thus optimizing it for better performance.
Optimize your server: Optimizing your server can lead to a faster sitemap generation. Some strategies you can use include reducing server response time, compressing images and minifying files.
Use caching: Caching can result in a faster sitemap generation by storing commonly-used elements. This reduces the time taken to generate a sitemap, improving performance in the process.
Update regularly: Your sitemap should be updated regularly to reflect any changes to your website. This ensures that your sitemap is always up-to-date and can improve your website's visibility on search engines.
Follow SEO best practices: Use best practices such as using meaningful URLs, optimizing metadata, and using descriptive anchor text, to improve the visibility of your sitemap on search engines.