I recently retired from 42 years of software development and have a little more time to work on my personal website, https://www.fincher.org.
I've been working on it for almost 30 years and some parts are a little, ... , crusty shall we say?
I found a wonderful online free website analyzer from the good folks at Datayze.com that will gently scan an entire website and show areas that need fixin'.
Thanks Datayze.com!