This package is used to generate a list of pages related to the current page by tags. So if a page has one or more of the same tags that the current page has, they will show up in the list.
Install notes:
1) install RelatedPAgesByTags.zip package
2) add tags to your documenttypes
Settings -> Document Types ->
Name: Tags
Alias: tags
Type: Pages Tags
Tab: Generic Properties
3) add Macro to your template(s)
Settings -> Templates ->
insert macro: RelatedPagesByTags
Xslt File: /xslt/relatedPagesByTags.xslt
4) set macro caching
Developer -> Macros -> RelatedPagesByTags -> Cache Period ex.: 600 seconds