I have fixed many messy WordPress sites that lost traffic to technical rot....

https://johnathanssplendidcolumns.cavandoragh.org/image-alt-text-vs-file-names-the-seo-fixer-s-guide-to-wordpress-image-optimization

I have fixed many messy WordPress sites that lost traffic to technical rot. This guide covers the essentials. We address fixing dead links, blocking spam via Akismet, and using image compression