I made this list purely out of interest because there is some great Technical SEO content out there that is under-rated and I wanted to do more justice than a bookmark 🙂

A perspective on .htaccess based redirect performance implications and why you should maybe not use .htaccess for redirects:
https://www.danielmorell.com/guides/htaccess-seo/basics/dont-use-htaccess-unless-you-must

An interesting case-study on the impact on how JS-heavy content can affect crawl-rate and using SSR to fix:
https://dev.to/kunnendavid/how-to-get-250k-pages-indexed-by-google-57ep

Some nice ideas around Edge SEO use-cases:
https://dantaylor.online/edge-seo/

MERJ technical SEO roundups are consistently great- eg:
https://merj.com/blog/technical-seo-roundup-january-2020

This alternative approach to dynamic XML sitemap structure to improve crawl rates.
https://ohgm.co.uk/an-alternative-approach-to-xml-sitemaps/