I know that hyphnes are preferred to underscores, and I could do a 301 redirect. But some say it's not worth the chaos to change them and I pretty much agree. https://moz.com/community/q/hyphens-vs-underscores
So, my urls look like this:
For new posts I will have:
I'm assuming I'd have to return a 404 in case of:
- new post with an undescore
- old post with a hyphen
Is this the right approach?
Or maybe I should do nothing and leave it as it is?
What would you recommend?