"Ignore"-mode always redirect to the given url.

This is the default option and will be used if none are selected.

"Replace"-mode will replace any query parameters in the given url with the ones from the anchorurl link.

Example:

Target : ?ref=123

Request: ?src=news

Result : ?ref=123&src=news

No request params returns target.

"Append"-mode will append any query parameters in the anchorurl link to the given url.

Example:

Target : ?ref=123

Request: ?src=news

Result : ?ref=123&src=news

"Combine ignore"-mode will combine the query parameters from the anchorurl link and the given url, but if there are duplicates, the ones from the given url will be used.

Example:

Target : ?ref=123&src=other

Request: ?src=news

Result : ?ref=123&src=other&src=news

"Combine replace"-mode will combine the query parameters from the anchorurl link and the given url, but if there are duplicates, the ones from the anchorurl link will be used.

Example:

Target : ?ref=123&src=other

Request: ?src=news

Result : ?ref=123&src=other&src=news