as a suggestion for improvement: I would personally find it very cool having the possibility of seeing feed statistics in e.g. the edit feeds windows.
For example: Amount of articles for a feed in the database. Amount of new articles per day/week/month.
Also it would be cool to have a general info page for the entire tt-rss on how many articles are stored, new (per day/week/month), top ten feeds etc…
Or maybe it is possible to add to Settings -> Feeds a column giving the amount of articles stored in the database next to the last update date.
I rememeber that there was once a statistics plugin, but do not seem to find it any more
Maybe this idea finds some interest…