Robot based on aiohttp.
+Robot(s) that test many URLs in parallel.
+
A program to publish bookmarks with icons.
Configuration file to configure defaults - global defaults for the system
Merge "writers" to storage managers.
New storage managers: SQL (SQLite?).
-robot(s) that test many URLs in parallel.
Ruleset-based mechanisms to filter out what types of URLs to check: checking
based on URL schema, host, port, path, filename, extension, etc.