List URLs to download and download them with an external tool; chrome slows down too much using the old method
Use multithreaded downloader where possible; Add more specific site mirror tool, with versions that turst and so not trust, the server; Resume downloads when using aria2c; Add download_videos tool that only uses 2 download slots at once, instead of the usual 4; Add video encoding tool that creates a new .mp4 version of the video that is ~%30 smaller than the original, with minimal loss of quality.
Add chrome extension that opens image links in a lightbox instead of a new tab. The extension also makes any imgur link that doesn't link directly to the file, link directly to the file