The Leeds Met Repository is on Twitter - @LeedsMetRepo tweets whenever a new record is added which are "hash tagged" to identify which faculty or collection they belong to:
An RSS feed is an easy way to be notified of new content as soon as its published, without having to re-visit the website you have taken the feed from.
You will need to use an RSS reader that checks the feed and automatically updates with any new resources that have been added.
If you click on the link above you can subscribe to the feed by dragging the URL of the feed into your chosen RSS reader or by cutting and pasting the same URL into a new feed in your reader.
The BBC has helpful advice on using RSS.