I would like to suggest a feature to save a set of filters from the Stocking/Environmental/Media/Exclude sections as default to a Digikey account. Those filters would then be automatically applied to all future component searches. If the user wants to disable any of the default options for a specific search they could manually uncheck them.
In my case I always select the In Stock, Normally Stocking, Has Datasheet, and Exclude Marketplace Products options and have to re-select them every time I perform a new component search which is tedious.
The UI could look something like this:
