This extension displays the duration of each plugin to discover why your build is slow.
'co.leantechniques:maven-buildtime-extension:1.0'
<dependency>
<groupId>co.leantechniques</groupId>
<artifactId>maven-buildtime-extension</artifactId>
<version>1.0</version>
</dependency>
<dependency org="co.leantechniques" name="maven-buildtime-extension" rev="1.0"/>
"co.leantechniques", "maven-buildtime-extension", "1.0"