I've posted a Community Wiki answer below with URLs that you can check to maintain content on the site.
Feel free to edit it with any more useful links we can check regularly.
Insofar as possible, please fix everything in a post at once; and limit the number of edits you perform in one go, to avoid flooding the homepage.
SEDE (updated Monday 3am UTC):
Short answers 301
Av.SE (5 minute delay):