I have added a new Tags page, which shows which “tags” are the most and least popular using a variety of font sizes and colors. Clicking on a tag shows the post(s) tagged with that particular word.

Tags are essentially keywords for each post – for instance, a post about a visit to a park somewhere may have tags like “bird”, “animal”, “dog”, “tree”, “wildlife” etc. This allows various search engines, as well as other tagging tools or tag-supporting services (such as Flickr) to categorise and then later find your post.