Sorry, but for me login works ok. Please describe your problem in more details.

Thanks for the report. Fixed it.

Thanks for the report. Fixed after the recent update of the site.

Works just fine to me:
https://bdocodex.com/us/skillbuilds/

Well, it because the devs of the game still have it in the client. Unfortunately, there is no way to filter out outdated/test/unused items automatically, since they don't mark them in any way.

Yes, you're correct. I need to fix the missing effects manually as well as some items. I'll try to do it this week.

There are filters by effects for the consumables subsection of the items:
https://bdocodex.com/us/items/consumables/

Thanks for reporting this. Fixed the recipes for this item.

Thanks for the report. I left the old comments for the history, but moved your comment up with upvotes.

Thanks for the report. Removed the duplicate.