While post excerpts can be displayed mainly on Homepage, they also able to be displayed on Category pages, search results and archives. Considering the fact that it would make no sense to display full posts on those pages since the reader needs to be able to scan through a larger number of posts to decide what he wants to read. Depending on your WordPress theme, if it is not displaying post excerpts instead full post, there is a very simple way to display post excerpts on wordPress pages.
Are you using excerpts or full posts on your blog posts homepage? By default, there is no way to use both excerpts and full posts on your blog homepage at the same time. However there is a hack that can enable that. This way you can show full post and excerpts at the same homepage. Here’s a hack to do it.
Many blogs preferred to display post excerpts instead of full posts on the Homepage (eg. WPTidBits). For many reasons, it is still one of the most selected methods of displaying posts list on the Homepage. While there are many arguments with both ways, let see what are the advantages and disadvantages with this method.
Some WordPress theme by default are using excerpt instead of full post to display post list on Homepage. Do you ever wonder why the the_excerpt() function displaying [...] at the end of the post excerpt? We don’t find this beautiful to see. Let us see how to remove it.