I use mediatracker but later versions seem to load a lot slower. I have mine pinned at version 0.2.5. The demo looks like an even older one.

I have tried numerous dashboards but that I use Tailscale on my devices, I just use golink https://github.com/tailscale/golink

Yes, that's the one. Sorry I didn't include links

My current list is: AdGuardHome, Bazaar, Change Detection, CloudTube, Excaldraw, Filesbrowser, Ghost, Golink (Tailscale), IT Tools, Libreddit, Lidarr, Memos, mStream, Nginx Proxy Manager, OliveTin, OpenBooks, Overseerr, PairDrop, Pigallery, Pingvin Share, Plex, Prowlarr, qBittorrent, Radarr, Sonarr, Statping, Stirling PDF, Syncthing, Tautulli, Unmanic, Whoogle, WikiJS, YoutubeDL-Material

Not sure if this will work in your use case but I use OliveTin for automating docket commands. Link here https://github.com/OliveTin/OliveTin

I did something similar when I moved from my Synology NAS to a Dell Micro PC. I choose open media vault which is built on Debian. It works much faster that the NAS

Another vote for Cloudflare as suggested by many others