+- Crawler and indexer with the ability to run many in parallel
+- Shows and highlights text that contains search words
+- Boolean search queries:
+
+ - ``foo bar`` searches for ``foo AND bar``
+ - ``foo OR bar``
+ - ``title:foo`` searches for ``foo`` only in the page title
+- Facets for tag, domain, language and type
+- Date search:
+
+ - ``before:2016-08-30`` - modification date before that day
+ - ``after:2016-08-30`` - modified after that day
+ - ``date::2016-08-30`` - exact modification day match