After years of technical cleanups, I know SEO is just plain housecleaning....

https://blogfreely.net/murciajpvo/is-an-ahrefs-site-audit-actually-worth-it-for-your-wordpress-blog

After years of technical cleanups, I know SEO is just plain housecleaning. Compressing images and using Broken Link Checker to fix 404s makes a difference. Adding internal links to older posts helps Google crawl better